MX-5 Miata NB2 2001-05 (BP-Z3, VVT) → Emtron Shadow 8 (auto)
MX-5 Miata NB2 2001-05 (BP-Z3, VVT) — Emtron — Shadow 8
⚠ NOT CHECKED. Don't build from this.
Drawn by Michael Gnankou · Rev 0 · draft · 2026-10-08
Before you start
| Status | draft · not yet verified: nobody has reported building and running this harness |
|---|---|
| Open errors | 1: read the Findings page before cutting any wire |
| Size of the job | 54 wires · 8 connectors · 3 part lines |
| Tools | Crimp and extraction tools for each terminal family (see Connectors) · wire strippers · multimeter · heat gun + heat-shrink |
| Terminals | 3-1447221-4 |
| Order of work | 1. Check every part against the parts list. 2. Cut and label every wire (labels: Export → Wire labels). 3. Crimp and pin connector by connector, ticking the build checklist. 4. Run the bench test with nothing plugged in and the battery disconnected. 5. Only then connect the ECU and power up. |
Build checklist
Tick each box as you go. Continuity: meter from end to end, expect under 1 Ω.
| Wire | From | To | Gauge | Colour | Cut | Label | Crimp A | Crimp B | Pin A | Pin B | Continuity |
|---|---|---|---|---|---|---|---|---|---|---|---|
| W1 | OEM-2-P | SP-14V-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W2 | OEM-4-AF | SP-14V-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W3 | SP-14V-1 | SHADOW8-A-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W4 | SP-14V-1 | SHADOW8-B-26 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W5 | OEM-4-AG | SHADOW8-B-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W6 | OEM-3-A | SP-GND-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W7 | OEM-3-B | SP-GND-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W8 | OEM-4-A | SP-GND-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W9 | SP-GND-1 | SHADOW8-A-34 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W10 | SP-GND-1 | SHADOW8-A-9 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W11 | OEM-4-O | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W12 | SP-0V-1 | SHADOW8-A-4 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W13 | SP-0V-1 | SHADOW8-A-7 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W14 | OEM-4-L | SHADOW8-A-3 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W15 | OEM-3-Y | SHADOW8-A-5 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W16 | OEM-3-V | SHADOW8-A-6 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W17 | OEM-4-M | SHADOW8-A-16 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W18 | OEM-3-F | SHADOW8-B-27 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W19 | OEM-3-I | SHADOW8-B-28 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W20 | OEM-2-A | SHADOW8-B-2 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W21 | OEM-2-D | SHADOW8-B-3 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W22 | OEM-2-G | SHADOW8-B-4 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W23 | OEM-2-J | SHADOW8-B-5 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W24 | OEM-2-B | SHADOW8-B-10 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W25 | OEM-2-C | SHADOW8-B-11 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W26 | OEM-2-K | SHADOW8-B-12 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W27 | OEM-2-M | SHADOW8-B-13 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W28 | OEM-3-H | SHADOW8-B-14 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W29 | OEM-3-J | SHADOW8-B-15 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W30 | OEM-3-P | SHADOW8-B-16 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W31 | OEM-2-Q | SHADOW8-B-17 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W32 | OEM-2-E | SHADOW8-B-6 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W33 | OEM-2-F | SHADOW8-B-7 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W34 | OEM-2-H | SHADOW8-B-8 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W35 | OEM-2-I | SHADOW8-B-9 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W36 | OEM-2-N | SHADOW8-B-22 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W37 | OEM-2-R | SHADOW8-B-23 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W38 | OEM-3-D | SHADOW8-B-24 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W39 | OEM-3-E | SHADOW8-B-25 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W40 | OEM-4-X | SHADOW8-A-10 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W41 | OEM-4-V | SHADOW8-A-11 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W42 | OEM-4-AA | SHADOW8-A-12 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W43 | OEM-4-W | SHADOW8-A-13 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W44 | OEM-4-P | SHADOW8-A-14 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W45 | OEM-4-N | SHADOW8-A-18 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W46 | OEM-4-AD | SHADOW8-A-19 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W47 | OEM-3-T | SHADOW8-A-26 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W48 | OEM-3-S | SHADOW8-A-27 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W49 | OEM-4-B | SHADOW8-A-28 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W50 | OEM-4-C | SHADOW8-A-29 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W51 | OEM-4-F | SHADOW8-A-30 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W52 | OEM-4-H | SHADOW8-A-31 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W53 | OEM-4-I | SHADOW8-B-18 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W54 | OEM-4-J | SHADOW8-B-19 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ |
Bench test (before first power-up)
Battery disconnected, ECU and every sensor unplugged. Meter on resistance. Each pair below must read open (OL): a reading means a pinched wire, a stray strand or a mis-pinned cavity. Then check continuity of every wire (last column of the build checklist).
| # | Probe A | Probe B | Expect | Why | Reading |
|---|---|---|---|---|---|
| 1 | SHADOW8-A-1 | SHADOW8-A-34 | open (OL) | +12 V supply must not touch power ground | |
| 2 | SHADOW8-A-1 | SHADOW8-A-4 | open (OL) | +12 V supply must not touch sensor ground | |
| 3 | SHADOW8-A-3 | SHADOW8-A-4 | open (OL) | 5 V sensor reference must not touch sensor ground | |
| 4 | SHADOW8-B-1 | SHADOW8-A-4 | open (OL) | +12 V supply must not touch sensor ground | |
| 5 | SHADOW8-A-1 | SHADOW8-A-3 | open (OL) | +12 V supply must not touch 5 V sensor reference | |
| 6 | SHADOW8-A-34 | SHADOW8-A-3 | open (OL) | power ground must not touch 5 V sensor reference | |
| 7 | SHADOW8-A-34 | SHADOW8-B-1 | open (OL) | power ground must not touch +12 V supply | |
| 8 | SHADOW8-B-1 | SHADOW8-A-3 | open (OL) | +12 V supply must not touch 5 V sensor reference |
Revisions
| Rev | Label | By | Date |
|---|---|---|---|
| No revisions yet. | |||
Schematic
Connectors
OEM-2
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| A | Injector 1 | — | W20 | — | 0.5 | SHADOW8-B-2 | — | — | — |
| B | Cooling fan relay | — | W24 | — | 0.5 | SHADOW8-B-10 | — | — | — |
| C | Condenser fan relay | — | W25 | — | 0.5 | SHADOW8-B-11 | — | — | — |
| D | Injector 2 | — | W21 | — | 0.5 | SHADOW8-B-3 | — | — | — |
| E | EGR valve | — | W32 | — | 0.5 | SHADOW8-B-6 | — | — | — |
| F | EGR valve | — | W33 | — | 0.5 | SHADOW8-B-7 | — | — | — |
| G | Injector 3 | — | W22 | — | 0.5 | SHADOW8-B-4 | — | — | — |
| H | EGR valve | — | W34 | — | 0.5 | SHADOW8-B-8 | — | — | — |
| I | EGR valve | — | W35 | — | 0.5 | SHADOW8-B-9 | — | — | — |
| J | Injector 4 | — | W23 | — | 0.5 | SHADOW8-B-5 | — | — | — |
| K | A/C clutch relay | — | W26 | — | 0.5 | SHADOW8-B-12 | — | — | — |
| M | Fuel pump relay | — | W27 | — | 0.5 | SHADOW8-B-13 | — | — | — |
| N | VTCS solenoid (intake butterflies) | — | W36 | — | 0.5 | SHADOW8-B-22 | — | — | — |
| P | ISC valve +14V feed | — | W1 | — | 0.85 | SP-14V-1 | — | — | — |
| Q | ISC valve low side | — | W31 | — | 0.5 | SHADOW8-B-17 | — | — | — |
| R | Malfunction indicator lamp (MIL) | — | W37 | — | 0.5 | SHADOW8-B-23 | — | — | — |
OEM-3
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| A | Power ground | — | W6 | — | 0.85 | SP-GND-1 | — | — | — |
| B | Power ground | — | W7 | — | 0.85 | SP-GND-1 | — | — | — |
| D | EGR boost solenoid | — | W38 | — | 0.5 | SHADOW8-B-24 | — | — | — |
| E | Charcoal canister purge | — | W39 | — | 0.5 | SHADOW8-B-25 | — | — | — |
| F | Ignition 1 (coils 1+4, wasted spark) | — | W18 | — | 0.5 | SHADOW8-B-27 | — | — | — |
| H | Main relay | — | W28 | — | 0.5 | SHADOW8-B-14 | — | — | — |
| I | Ignition 2 (coils 2+3, wasted spark) | — | W19 | — | 0.5 | SHADOW8-B-28 | — | — | — |
| J | Front O2 heater | — | W29 | — | 0.5 | SHADOW8-B-15 | — | — | — |
| M | Alternator control | — | — | — | — | — | — | — | — |
| O | Tachometer output | — | — | — | — | — | — | — | — |
| P | Rear O2 heater | — | W30 | — | 0.5 | SHADOW8-B-16 | — | — | — |
| S | Immobiliser | — | W48 | — | 0.5 | SHADOW8-A-27 | — | — | — |
| T | Vehicle speed | — | W47 | — | 0.5 | SHADOW8-A-26 | — | — | — |
| U | Charge lamp | — | — | — | — | — | — | — | — |
| V | Cam position (CMP) | — | W16 | — | 0.5 | SHADOW8-A-6 | — | — | — |
| Y | Crank position (CKP) | — | W15 | — | 0.5 | SHADOW8-A-5 | — | — | — |
OEM-4
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| A | Power ground | — | W8 | — | 0.85 | SP-GND-1 | — | — | — |
| AA | Rear O2 signal | — | W42 | — | 0.5 | SHADOW8-A-12 | — | — | — |
| AD | Fuel level | — | W46 | — | 0.5 | SHADOW8-A-19 | — | — | — |
| AF | ECU power +14V (main relay) | — | W2 | — | 0.85 | SP-14V-1 | — | — | — |
| AG | Constant +12V | — | W5 | — | 0.85 | SHADOW8-B-1 | — | — | — |
| B | Brake switch | — | W49 | — | 0.5 | SHADOW8-A-28 | — | — | — |
| C | Power steering pressure switch | — | W50 | — | 0.5 | SHADOW8-A-29 | — | — | — |
| D | VVT oil-control solenoid | — | — | — | — | — | — | — | — |
| F | A/C request | — | W51 | — | 0.5 | SHADOW8-A-30 | — | — | — |
| H | Neutral switch | — | W52 | — | 0.5 | SHADOW8-A-31 | — | — | — |
| I | Clutch switch | — | W53 | — | 0.5 | SHADOW8-B-18 | — | — | — |
| J | VTCS vacuum switch | — | W54 | — | 0.5 | SHADOW8-B-19 | — | — | — |
| L | +5V sensor supply | — | W14 | — | 0.5 | SHADOW8-A-3 | — | — | — |
| M | Knock sensor | — | W17 | — | 0.5 | SHADOW8-A-16 | — | — | — |
| N | Intake air temperature (IAT) | — | W45 | — | 0.5 | SHADOW8-A-18 | — | — | — |
| O | Signal ground | — | W11 | — | 0.5 | SP-0V-1 | — | — | — |
| P | Coolant temperature (ECT) | — | W44 | — | 0.5 | SHADOW8-A-14 | — | — | — |
| V | Throttle position (TPS) | — | W41 | — | 0.5 | SHADOW8-A-11 | — | — | — |
| W | Front O2 signal | — | W43 | — | 0.5 | SHADOW8-A-13 | — | — | — |
| X | Mass air flow (MAF) | — | W40 | — | 0.5 | SHADOW8-A-10 | — | — | — |
SHADOW8-A
Mating face
Wire side
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | ECU supply | — | W3 | — | 0.85 | SP-14V-1 | — | — | — |
| 2 | 8.0V sensor supply | — | — | — | — | — | — | — | — |
| 3 | 5.0V sensor supply | — | W14 | — | 0.5 | OEM-4-L | — | — | — |
| 4 | 0V analog reference | — | W12 | — | 0.5 | SP-0V-1 | — | — | — |
| 5 | Crank position sensor | — | W15 | — | 0.5 | OEM-3-Y | — | — | — |
| 6 | Sync position sensor | — | W16 | — | 0.5 | OEM-3-V | — | — | — |
| 7 | Trigger ground | — | W13 | — | 0.5 | SP-0V-1 | — | — | — |
| 8 | Shield | — | — | — | — | — | — | — | — |
| 9 | Ground 1 | — | W10 | — | 0.85 | SP-GND-1 | — | — | — |
| 10 | Analog voltage 1 | — | W40 | — | 0.5 | OEM-4-X | — | — | — |
| 11 | Analog voltage 2 | — | W41 | — | 0.5 | OEM-4-V | — | — | — |
| 12 | Analog voltage 3 | — | W42 | — | 0.5 | OEM-4-AA | — | — | — |
| 13 | Analog voltage 4 | — | W43 | — | 0.5 | OEM-4-W | — | — | — |
| 14 | Analog voltage 5 | — | W44 | — | 0.5 | OEM-4-P | — | — | — |
| 15 | CAN bus 1 high | — | — | — | — | — | — | — | — |
| 16 | Knock 1 + | — | W17 | — | 0.5 | OEM-4-M | — | — | — |
| 17 | Knock 1 − | — | — | — | — | — | — | — | — |
| 18 | Analog voltage 6 | — | W45 | — | 0.5 | OEM-4-N | — | — | — |
| 19 | Analog voltage 7 (switchable 1k pull-up) | — | W46 | — | 0.5 | OEM-4-AD | — | — | — |
| 20 | Analog voltage 8 (switchable 1k pull-up) | — | — | — | — | — | — | — | — |
| 21 | Analog voltage 9 (switchable 1k pull-up) | — | — | — | — | — | — | — | — |
| 22 | Analog voltage 10 (switchable 1k pull-up) | — | — | — | — | — | — | — | — |
| 23 | CAN bus 1 low | — | — | — | — | — | — | — | — |
| 24 | Knock 2 + | — | — | — | — | — | — | — | — |
| 25 | Knock 2 − | — | — | — | — | — | — | — | — |
| 26 | Digital input 1 | — | W47 | — | 0.5 | OEM-3-T | — | — | — |
| 27 | Digital input 2 | — | W48 | — | 0.5 | OEM-3-S | — | — | — |
| 28 | Digital input 3 | — | W49 | — | 0.5 | OEM-4-B | — | — | — |
| 29 | Digital input 4 | — | W50 | — | 0.5 | OEM-4-C | — | — | — |
| 30 | Digital input 5 | — | W51 | — | 0.5 | OEM-4-F | — | — | — |
| 31 | Digital input 6 | — | W52 | — | 0.5 | OEM-4-H | — | — | — |
| 32 | CAN bus 2 high | — | — | — | — | — | — | — | — |
| 33 | CAN bus 2 low | — | — | — | — | — | — | — | — |
| 34 | Ground 2 | — | W9 | — | 0.85 | SP-GND-1 | — | — | — |
SHADOW8-B
Mating face
Wire side
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Battery constant (HOT) supply | — | W5 | — | 0.85 | OEM-4-AG | — | — | — |
| 2 | Injector cylinder 1 | — | W20 | — | 0.5 | OEM-2-A | — | — | — |
| 3 | Injector cylinder 2 | — | W21 | — | 0.5 | OEM-2-D | — | — | — |
| 4 | Injector cylinder 3 | — | W22 | — | 0.5 | OEM-2-G | — | — | — |
| 5 | Injector cylinder 4 | — | W23 | — | 0.5 | OEM-2-J | — | — | — |
| 6 | Injector cylinder 5 | — | W32 | — | 0.5 | OEM-2-E | — | — | — |
| 7 | Injector cylinder 6 | — | W33 | — | 0.5 | OEM-2-F | — | — | — |
| 8 | Injector cylinder 7 | — | W34 | — | 0.5 | OEM-2-H | — | — | — |
| 9 | Injector cylinder 8 | — | W35 | — | 0.5 | OEM-2-I | — | — | — |
| 10 | Aux output 1 | — | W24 | — | 0.5 | OEM-2-B | — | — | — |
| 11 | Aux output 2 | — | W25 | — | 0.5 | OEM-2-C | — | — | — |
| 12 | Aux output 3 | — | W26 | — | 0.5 | OEM-2-K | — | — | — |
| 13 | Aux output 4 | — | W27 | — | 0.5 | OEM-2-M | — | — | — |
| 14 | Aux output 5 | — | W28 | — | 0.5 | OEM-3-H | — | — | — |
| 15 | Aux output 6 | — | W29 | — | 0.5 | OEM-3-J | — | — | — |
| 16 | Aux output 7 | — | W30 | — | 0.5 | OEM-3-P | — | — | — |
| 17 | Aux output 8 | — | W31 | — | 0.5 | OEM-2-Q | — | — | — |
| 18 | Digital input 7 | — | W53 | — | 0.5 | OEM-4-I | — | — | — |
| 19 | Digital input 8 | — | W54 | — | 0.5 | OEM-4-J | — | — | — |
| 20 | Digital input 9 | — | — | — | — | — | — | — | — |
| 21 | Digital input 10 / ignition switch | — | — | — | — | — | — | — | — |
| 22 | Aux output 9 | — | W36 | — | 0.5 | OEM-2-N | — | — | — |
| 23 | Aux output 10 | — | W37 | — | 0.5 | OEM-2-R | — | — | — |
| 24 | Aux output 11 | — | W38 | — | 0.5 | OEM-3-D | — | — | — |
| 25 | Aux output 12 | — | W39 | — | 0.5 | OEM-3-E | — | — | — |
| 26 | Aux 9–12 power supply | — | W4 | — | 0.85 | SP-14V-1 | — | — | — |
| 27 | Ignition TTL cylinder 1 | — | W18 | — | 0.5 | OEM-3-F | — | — | — |
| 28 | Ignition TTL cylinder 2 | — | W19 | — | 0.5 | OEM-3-I | — | — | — |
| 29 | Ignition TTL cylinder 3 | — | — | — | — | — | — | — | — |
| 30 | Ignition TTL cylinder 4 | — | — | — | — | — | — | — | — |
| 31 | Ignition TTL cylinder 5 | — | — | — | — | — | — | — | — |
| 32 | Ignition TTL cylinder 6 | — | — | — | — | — | — | — | — |
| 33 | Ignition TTL cylinder 7 | — | — | — | — | — | — | — | — |
| 34 | Ignition TTL cylinder 8 | — | — | — | — | — | — | — | — |
SP-0V
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W13 | — | 0.5 | SHADOW8-A-7 | — | — | — |
| 1 | — | — | W11 | — | 0.5 | OEM-4-O | — | — | — |
| 1 | — | — | W12 | — | 0.5 | SHADOW8-A-4 | — | — | — |
SP-14V
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W1 | — | 0.85 | OEM-2-P | — | — | — |
| 1 | — | — | W2 | — | 0.85 | OEM-4-AF | — | — | — |
| 1 | — | — | W3 | — | 0.85 | SHADOW8-A-1 | — | — | — |
| 1 | — | — | W4 | — | 0.85 | SHADOW8-B-26 | — | — | — |
SP-GND
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W6 | — | 0.85 | OEM-3-A | — | — | — |
| 1 | — | — | W7 | — | 0.85 | OEM-3-B | — | — | — |
| 1 | — | — | W8 | — | 0.85 | OEM-4-A | — | — | — |
| 1 | — | — | W9 | — | 0.85 | SHADOW8-A-34 | — | — | — |
| 1 | — | — | W10 | — | 0.85 | SHADOW8-A-9 | — | — | — |
Pin map
| OEM point | OEM function | OEM family | Target point | Target function | Target family | Wire colour | Evidence |
|---|---|---|---|---|---|---|---|
| OEM-2-A | Injector 1 | injector_out | SHADOW8-B-2 | Injector cylinder 1 | injector_out | single_source | |
| OEM-2-B | Cooling fan relay | low_side_out | SHADOW8-B-10 | Aux output 1 | low_side_out | single_source | |
| OEM-2-C | Condenser fan relay | low_side_out | SHADOW8-B-11 | Aux output 2 | low_side_out | single_source | |
| OEM-2-D | Injector 2 | injector_out | SHADOW8-B-3 | Injector cylinder 2 | injector_out | single_source | |
| OEM-2-E | EGR valve | low_side_out | SHADOW8-B-6 | Injector cylinder 5 | injector_out | single_source | |
| OEM-2-F | EGR valve | low_side_out | SHADOW8-B-7 | Injector cylinder 6 | injector_out | single_source | |
| OEM-2-G | Injector 3 | injector_out | SHADOW8-B-4 | Injector cylinder 3 | injector_out | single_source | |
| OEM-2-H | EGR valve | low_side_out | SHADOW8-B-8 | Injector cylinder 7 | injector_out | single_source | |
| OEM-2-I | EGR valve | low_side_out | SHADOW8-B-9 | Injector cylinder 8 | injector_out | single_source | |
| OEM-2-J | Injector 4 | injector_out | SHADOW8-B-5 | Injector cylinder 4 | injector_out | single_source | |
| OEM-2-K | A/C clutch relay | low_side_out | SHADOW8-B-12 | Aux output 3 | low_side_out | single_source | |
| OEM-2-M | Fuel pump relay | low_side_out | SHADOW8-B-13 | Aux output 4 | low_side_out | single_source | |
| OEM-2-N | VTCS solenoid (intake butterflies) | low_side_out | SHADOW8-B-22 | Aux output 9 | hbridge_out | single_source | |
| OEM-2-P | ISC valve +14V feed | power_in | SHADOW8-A-1 + SHADOW8-B-26 | ECU supply + Aux 9–12 power supply | power_in | single_source | |
| OEM-2-Q | ISC valve low side | low_side_out | SHADOW8-B-17 | Aux output 8 | switch_out | single_source | |
| OEM-2-R | Malfunction indicator lamp (MIL) | low_side_out | SHADOW8-B-23 | Aux output 10 | hbridge_out | single_source | |
| OEM-3-A | Power ground | ground | SHADOW8-A-34 + SHADOW8-A-9 | Ground 2 + Ground 1 | ground | single_source | |
| OEM-3-B | Power ground | ground | SHADOW8-A-34 + SHADOW8-A-9 | Ground 2 + Ground 1 | ground | single_source | |
| OEM-3-D | EGR boost solenoid | low_side_out | SHADOW8-B-24 | Aux output 11 | hbridge_out | single_source | |
| OEM-3-E | Charcoal canister purge | low_side_out | SHADOW8-B-25 | Aux output 12 | hbridge_out | single_source | |
| OEM-3-F | Ignition 1 (coils 1+4, wasted spark) | ignition_out | SHADOW8-B-27 | Ignition TTL cylinder 1 | ignition_out | single_source | |
| OEM-3-H | Main relay | low_side_out | SHADOW8-B-14 | Aux output 5 | switch_out | single_source | |
| OEM-3-I | Ignition 2 (coils 2+3, wasted spark) | ignition_out | SHADOW8-B-28 | Ignition TTL cylinder 2 | ignition_out | single_source | |
| OEM-3-J | Front O2 heater | low_side_out | SHADOW8-B-15 | Aux output 6 | switch_out | single_source | |
| OEM-3-M | Alternator control | low_side_out | — | — | — | single_source | |
| OEM-3-O | Tachometer output | tacho_out | — | — | — | single_source | |
| OEM-3-P | Rear O2 heater | low_side_out | SHADOW8-B-16 | Aux output 7 | switch_out | single_source | |
| OEM-3-S | Immobiliser | digital_in | SHADOW8-A-27 | Digital input 2 | digital_in | single_source | |
| OEM-3-T | Vehicle speed | digital_in | SHADOW8-A-26 | Digital input 1 | digital_in | single_source | |
| OEM-3-U | Charge lamp | low_side_out | — | — | — | single_source | |
| OEM-3-V | Cam position (CMP) | trigger_in | SHADOW8-A-6 | Sync position sensor | trigger_in | single_source | |
| OEM-3-Y | Crank position (CKP) | trigger_in | SHADOW8-A-5 | Crank position sensor | trigger_in | single_source | |
| OEM-4-A | Power ground | ground | SHADOW8-A-34 + SHADOW8-A-9 | Ground 2 + Ground 1 | ground | single_source | |
| OEM-4-AA | Rear O2 signal | lambda_nb_in | SHADOW8-A-12 | Analog voltage 3 | analog_in | single_source | |
| OEM-4-AD | Fuel level | analog_in | SHADOW8-A-19 | Analog voltage 7 (switchable 1k pull-up) | analog_in | single_source | |
| OEM-4-AF | ECU power +14V (main relay) | power_in | SHADOW8-A-1 + SHADOW8-B-26 | ECU supply + Aux 9–12 power supply | power_in | single_source | |
| OEM-4-AG | Constant +12V | power_in | SHADOW8-B-1 | Battery constant (HOT) supply | power_in | single_source | |
| OEM-4-B | Brake switch | digital_in | SHADOW8-A-28 | Digital input 3 | digital_in | single_source | |
| OEM-4-C | Power steering pressure switch | digital_in | SHADOW8-A-29 | Digital input 4 | digital_in | single_source | |
| OEM-4-D | VVT oil-control solenoid | low_side_out | — | — | — | single_source | |
| OEM-4-F | A/C request | digital_in | SHADOW8-A-30 | Digital input 5 | digital_in | single_source | |
| OEM-4-H | Neutral switch | digital_in | SHADOW8-A-31 | Digital input 6 | digital_in | single_source | |
| OEM-4-I | Clutch switch | digital_in | SHADOW8-B-18 | Digital input 7 | digital_in | single_source | |
| OEM-4-J | VTCS vacuum switch | digital_in | SHADOW8-B-19 | Digital input 8 | digital_in | single_source | |
| OEM-4-L | +5V sensor supply | vref | SHADOW8-A-3 | 5.0V sensor supply | vref | single_source | |
| OEM-4-M | Knock sensor | knock_in | SHADOW8-A-16 | Knock 1 + | knock_in | single_source | |
| OEM-4-N | Intake air temperature (IAT) | temp_in | SHADOW8-A-18 | Analog voltage 6 | analog_in | single_source | |
| OEM-4-O | Signal ground | sensor_ground | SHADOW8-A-4 + SHADOW8-A-7 | 0V analog reference + Trigger ground | sensor_ground | single_source | |
| OEM-4-P | Coolant temperature (ECT) | temp_in | SHADOW8-A-14 | Analog voltage 5 | analog_in | single_source | |
| OEM-4-V | Throttle position (TPS) | analog_in | SHADOW8-A-11 | Analog voltage 2 | analog_in | single_source | |
| OEM-4-W | Front O2 signal | lambda_nb_in | SHADOW8-A-13 | Analog voltage 4 | analog_in | single_source | |
| OEM-4-X | Mass air flow (MAF) | analog_in | SHADOW8-A-10 | Analog voltage 1 | analog_in | single_source |
Cut list
| Wire | From | To | Gauge (mm²) | Colour | Length | Signal | Ident |
|---|---|---|---|---|---|---|---|
| W1 | OEM-2-P | SP-14V-1 | 0.85 | no route | ISC valve +14V feed | — | |
| W2 | OEM-4-AF | SP-14V-1 | 0.85 | no route | ECU power +14V (main relay) | — | |
| W3 | SP-14V-1 | SHADOW8-A-1 | 0.85 | no route | ECU supply | — | |
| W4 | SP-14V-1 | SHADOW8-B-26 | 0.85 | no route | Aux 9–12 power supply | — | |
| W5 | OEM-4-AG | SHADOW8-B-1 | 0.85 | no route | Constant +12V | — | |
| W6 | OEM-3-A | SP-GND-1 | 0.85 | no route | Power ground | — | |
| W7 | OEM-3-B | SP-GND-1 | 0.85 | no route | Power ground | — | |
| W8 | OEM-4-A | SP-GND-1 | 0.85 | no route | Power ground | — | |
| W9 | SP-GND-1 | SHADOW8-A-34 | 0.85 | no route | Ground 2 | — | |
| W10 | SP-GND-1 | SHADOW8-A-9 | 0.85 | no route | Ground 1 | — | |
| W11 | OEM-4-O | SP-0V-1 | 0.5 | no route | Signal ground | — | |
| W12 | SP-0V-1 | SHADOW8-A-4 | 0.5 | no route | 0V analog reference | — | |
| W13 | SP-0V-1 | SHADOW8-A-7 | 0.5 | no route | Trigger ground | — | |
| W14 | OEM-4-L | SHADOW8-A-3 | 0.5 | no route | +5V sensor supply | — | |
| W15 | OEM-3-Y | SHADOW8-A-5 | 0.5 | no route | Crank position (CKP) | — | |
| W16 | OEM-3-V | SHADOW8-A-6 | 0.5 | no route | Cam position (CMP) | — | |
| W17 | OEM-4-M | SHADOW8-A-16 | 0.5 | no route | Knock sensor | — | |
| W18 | OEM-3-F | SHADOW8-B-27 | 0.5 | no route | Ignition 1 (coils 1+4, wasted spark) | — | |
| W19 | OEM-3-I | SHADOW8-B-28 | 0.5 | no route | Ignition 2 (coils 2+3, wasted spark) | — | |
| W20 | OEM-2-A | SHADOW8-B-2 | 0.5 | no route | Injector 1 | — | |
| W21 | OEM-2-D | SHADOW8-B-3 | 0.5 | no route | Injector 2 | — | |
| W22 | OEM-2-G | SHADOW8-B-4 | 0.5 | no route | Injector 3 | — | |
| W23 | OEM-2-J | SHADOW8-B-5 | 0.5 | no route | Injector 4 | — | |
| W24 | OEM-2-B | SHADOW8-B-10 | 0.5 | no route | Cooling fan relay | — | |
| W25 | OEM-2-C | SHADOW8-B-11 | 0.5 | no route | Condenser fan relay | — | |
| W26 | OEM-2-K | SHADOW8-B-12 | 0.5 | no route | A/C clutch relay | — | |
| W27 | OEM-2-M | SHADOW8-B-13 | 0.5 | no route | Fuel pump relay | — | |
| W28 | OEM-3-H | SHADOW8-B-14 | 0.5 | no route | Main relay | — | |
| W29 | OEM-3-J | SHADOW8-B-15 | 0.5 | no route | Front O2 heater | — | |
| W30 | OEM-3-P | SHADOW8-B-16 | 0.5 | no route | Rear O2 heater | — | |
| W31 | OEM-2-Q | SHADOW8-B-17 | 0.5 | no route | ISC valve low side | — | |
| W32 | OEM-2-E | SHADOW8-B-6 | 0.5 | no route | EGR valve | — | |
| W33 | OEM-2-F | SHADOW8-B-7 | 0.5 | no route | EGR valve | — | |
| W34 | OEM-2-H | SHADOW8-B-8 | 0.5 | no route | EGR valve | — | |
| W35 | OEM-2-I | SHADOW8-B-9 | 0.5 | no route | EGR valve | — | |
| W36 | OEM-2-N | SHADOW8-B-22 | 0.5 | no route | VTCS solenoid (intake butterflies) | — | |
| W37 | OEM-2-R | SHADOW8-B-23 | 0.5 | no route | Malfunction indicator lamp (MIL) | — | |
| W38 | OEM-3-D | SHADOW8-B-24 | 0.5 | no route | EGR boost solenoid | — | |
| W39 | OEM-3-E | SHADOW8-B-25 | 0.5 | no route | Charcoal canister purge | — | |
| W40 | OEM-4-X | SHADOW8-A-10 | 0.5 | no route | Mass air flow (MAF) | — | |
| W41 | OEM-4-V | SHADOW8-A-11 | 0.5 | no route | Throttle position (TPS) | — | |
| W42 | OEM-4-AA | SHADOW8-A-12 | 0.5 | no route | Rear O2 signal | — | |
| W43 | OEM-4-W | SHADOW8-A-13 | 0.5 | no route | Front O2 signal | — | |
| W44 | OEM-4-P | SHADOW8-A-14 | 0.5 | no route | Coolant temperature (ECT) | — | |
| W45 | OEM-4-N | SHADOW8-A-18 | 0.5 | no route | Intake air temperature (IAT) | — | |
| W46 | OEM-4-AD | SHADOW8-A-19 | 0.5 | no route | Fuel level | — | |
| W47 | OEM-3-T | SHADOW8-A-26 | 0.5 | no route | Vehicle speed | — | |
| W48 | OEM-3-S | SHADOW8-A-27 | 0.5 | no route | Immobiliser | — | |
| W49 | OEM-4-B | SHADOW8-A-28 | 0.5 | no route | Brake switch | — | |
| W50 | OEM-4-C | SHADOW8-A-29 | 0.5 | no route | Power steering pressure switch | — | |
| W51 | OEM-4-F | SHADOW8-A-30 | 0.5 | no route | A/C request | — | |
| W52 | OEM-4-H | SHADOW8-A-31 | 0.5 | no route | Neutral switch | — | |
| W53 | OEM-4-I | SHADOW8-B-18 | 0.5 | no route | Clutch switch | — | |
| W54 | OEM-4-J | SHADOW8-B-19 | 0.5 | no route | VTCS vacuum switch | — |
Bill of materials
| Category | Part number | Manufacturer | Description | Qty | Unit |
|---|---|---|---|---|---|
| connector | 4-1437290-0 | TE | Superseal 1.0 34-way plug, Key 1 | 1.000 | ea |
| connector | 4-1437290-1 | TE | Superseal 1.0 34-way plug, Key 2 | 1.000 | ea |
| terminal | 3-1447221-4 | TE | Superseal 1.0 socket terminal, 20 AWG (0.5 sq mm) | 48.000 | ea |
ECU setup sheet
| Role | Engine ref | Engine signal | Sensor | ECU point | ECU function | ECU class | Setup flag |
|---|---|---|---|---|---|---|---|
| No configured channels. | |||||||
Findings
Open (16)
| Severity | Code | Subject | Message |
|---|---|---|---|
| error | PHYS_REQUIRED_OPEN | SHADOW8-B-21 | SHADOW8-B-21 "Digital input 10 / ignition switch" is required but not wired. |
| warn | NET_FAMILY | OEM-2-N ↔ SHADOW8-B-22 | OEM-2-N "VTCS solenoid (intake butterflies)" [low_side_out] is wired to SHADOW8-B-22 "Aux output 9" [hbridge_out]. A half-bridge can act as a low-side switch only if configured that way. |
| warn | NET_FAMILY | OEM-2-R ↔ SHADOW8-B-23 | OEM-2-R "Malfunction indicator lamp (MIL)" [low_side_out] is wired to SHADOW8-B-23 "Aux output 10" [hbridge_out]. A half-bridge can act as a low-side switch only if configured that way. |
| warn | NET_FAMILY | OEM-3-D ↔ SHADOW8-B-24 | OEM-3-D "EGR boost solenoid" [low_side_out] is wired to SHADOW8-B-24 "Aux output 11" [hbridge_out]. A half-bridge can act as a low-side switch only if configured that way. |
| warn | NET_FAMILY | OEM-3-E ↔ SHADOW8-B-25 | OEM-3-E "Charcoal canister purge" [low_side_out] is wired to SHADOW8-B-25 "Aux output 12" [hbridge_out]. A half-bridge can act as a low-side switch only if configured that way. |
| info | NET_FAMILY | OEM-2-E ↔ SHADOW8-B-6 | OEM-2-E "EGR valve" [low_side_out] is wired to SHADOW8-B-6 "Injector cylinder 5" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-2-F ↔ SHADOW8-B-7 | OEM-2-F "EGR valve" [low_side_out] is wired to SHADOW8-B-7 "Injector cylinder 6" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-2-H ↔ SHADOW8-B-8 | OEM-2-H "EGR valve" [low_side_out] is wired to SHADOW8-B-8 "Injector cylinder 7" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-2-I ↔ SHADOW8-B-9 | OEM-2-I "EGR valve" [low_side_out] is wired to SHADOW8-B-9 "Injector cylinder 8" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-2-Q ↔ SHADOW8-B-17 | OEM-2-Q "ISC valve low side" [low_side_out] is wired to SHADOW8-B-17 "Aux output 8" [switch_out]. Configure this output as low side. |
| info | NET_FAMILY | OEM-3-H ↔ SHADOW8-B-14 | OEM-3-H "Main relay" [low_side_out] is wired to SHADOW8-B-14 "Aux output 5" [switch_out]. Configure this output as low side. |
| info | NET_FAMILY | OEM-3-J ↔ SHADOW8-B-15 | OEM-3-J "Front O2 heater" [low_side_out] is wired to SHADOW8-B-15 "Aux output 6" [switch_out]. Configure this output as low side. |
| info | NET_FAMILY | OEM-3-P ↔ SHADOW8-B-16 | OEM-3-P "Rear O2 heater" [low_side_out] is wired to SHADOW8-B-16 "Aux output 7" [switch_out]. Configure this output as low side. |
| info | NET_FAMILY | OEM-4-N ↔ SHADOW8-A-18 | OEM-4-N "Intake air temperature (IAT)" [temp_in] is wired to SHADOW8-A-18 "Analog voltage 6" [analog_in]. Thermistor on a plain analog input needs a pull-up; check the channel can enable one. |
| info | NET_FAMILY | OEM-4-P ↔ SHADOW8-A-14 | OEM-4-P "Coolant temperature (ECT)" [temp_in] is wired to SHADOW8-A-14 "Analog voltage 5" [analog_in]. Thermistor on a plain analog input needs a pull-up; check the channel can enable one. |
| info | UNMAPPED | OEM | 4 optional OEM pins are not mapped: OEM-3-M Alternator control; OEM-3-O Tachometer output; OEM-3-U Charge lamp; OEM-4-D VVT oil-control solenoid |
Accepted (0)
| Code | Subject | Reason | By |
|---|
Notes
Auto-mapped by auto_map() from the library pin data on 2026-10-06. Review every wire against both manuals before building. Open items: - SHADOW8-B 21: Digital input 10 / ignition switch: required by Emtron Shadow 8 but no stock pin feeds it; wire by hand Not wired: - SHADOW8-A 17: Knock 1 − left open: the stock knock sensor has one ECU wire; check the ECU manual for single-wire knock sensors - OEM-3 M: Alternator control: no free low_side/ls_hs/injector/hbridge on Emtron Shadow 8 - OEM-3 U: Charge lamp: no free low_side/ls_hs/injector/hbridge on Emtron Shadow 8 - OEM-4 D: VVT oil-control solenoid: no free low_side/ls_hs/injector/hbridge on Emtron Shadow 8 - OEM-3 O: Tachometer output: no free tacho/frequency_out/low_side/ls_hs on Emtron Shadow 8
Sources
| Reliability | Kind | Title | URL | Archive | Captured | SHA-256 |
|---|---|---|---|---|---|---|
| 4 | vendor_doc | Emtron Shadow 8 ECU datasheet | https://docs.emtronaustralia.com.au/engine-management/datasheets/shadow-8-datasheet/index.html | archive | 2026-10-05 | f004c9a8d60c |
| 4 | vendor_doc | Emtron Shadow 8 pinout | https://docs.emtronaustralia.com.au/engine-management/wiring/shadow-8/shadow-8-pinout/index.html | archive | 2026-10-05 | f510053951c7 |
| 4 | vendor_doc | Link G4X MX5NB2X install manual (NB2 2001-05) | https://linkecu.com/documentation/MX5XNB2.pdf | archive | 2026-10-05 | 741efdd9f2c8 |