Not confident with automotive wiring? Have a professional harness builder or tuner do it, or check your work before first power-up. A wiring mistake can damage the ECU, the engine or the car, or start a fire.
100%
Stock ECU being replaced
GND
SHADOW8-B-7 Injector cylinder 6
SHADOW8-B-3 Injector cylinder 2
SHADOW8-B-5 Injector cylinder 4
SHADOW8-B-15 Aux output 6
SHADOW8-B-11 Aux output 2
GND
SHADOW8-B-27 Ignition TTL cylinder 1
SHADOW8-B-12 Aux output 3
GND
SHADOW8-A-12 Analog voltage 3
SHADOW8-A-14 Analog voltage 5
0V sensor
SHADOW8-A-10 Analog voltage 1
SHADOW8-A-13 Analog voltage 4
SHADOW8-B-17 Aux output 8
ECU main power (from engine-electronics relay)
SHADOW8-B-2 Injector cylinder 1
SHADOW8-B-6 Injector cylinder 5
SHADOW8-B-4 Injector cylinder 3
SHADOW8-B-13 Aux output 4
SHADOW8-B-14 Aux output 5
0V sensor
SHADOW8-A-16 Knock 1 +
SHADOW8-A-18 Analog voltage 6
SHADOW8-A-27 Digital input 2
SHADOW8-B-21 Digital input 10 / ignition switch
SHADOW8-A-28 Digital input 3
SHADOW8-A-11 Analog voltage 2
5V ref
SHADOW8-A-6 Sync position sensor
SHADOW8-B-10 Aux output 1
SHADOW8-B-29 Ignition TTL cylinder 3
SHADOW8-B-16 Aux output 7
Battery constant (+12V)
GND
GND
SHADOW8-B-28 Ignition TTL cylinder 2
SHADOW8-A-26 Digital input 1
0V sensor
SHADOW8-A-5 Crank position sensor
OEM-A
Stock ECU being replaced
1Ground (E-1)
2Injector 6 (cyl 6)
3Injector 2 (cyl 2)
4Injector 4 (cyl 4)
5Check engine light (MIL)
6Fuel pump relay control
7Ground (E-2)
8Ignition coil 2 (coil pack pin 2)
9Engine electronics relay control
10Ground (OBD1 EGR enable)
14Coolant temperature (CLT)
15EGR temperature sensor
16MAF ground
17MAF signal
20O2 sensor 1 (primary)
22Tachometer output
23ECU main power (from engine-electronics relay)
24Injector 1 (cyl 1)
25Injector 5 (cyl 5)
26Injector 3 (cyl 3)
27Idle air control valve
31EVAP canister purge valve
33Sensor ground bus
34Knock sensor 1
36Intake air temperature (IAT)
37A/C compressor switch
38Ignition switch (run/start)
39A/C switch (cabin)
40Throttle position sensor 1
41TPS power (+5V)
44Camshaft position sensor (G40)
49Secondary air injection relay control
52Ignition coil 4 (coil pack pin 4)
53Idle air control valve (2nd)
54Battery constant (+12V)
55Ground (E-3)
56Ground (E-4)
60Ignition coil 3 (coil pack pin 3)
65Vehicle speed sensor (VSS)
67Crank sensor return (VR-)
68Crank position sensor (G28, VR+)
SHADOW8
SHADOW8-A
SHADOW8
1ECU supply
35.0V sensor supply
40V analog reference
5Crank position sensor
6Sync position sensor
7Trigger ground
9Ground 1
10Analog voltage 1
11Analog voltage 2
12Analog voltage 3
13Analog voltage 4
14Analog voltage 5
16Knock 1 +
18Analog voltage 6
26Digital input 1
27Digital input 2
28Digital input 3
34Ground 2
ECU supply
5V ref
0V sensor
OEM-A-68 Crank position sensor (G28, VR+)
OEM-A-44 Camshaft position sensor (G40)
0V sensor
GND
OEM-A-17 MAF signal
OEM-A-40 Throttle position sensor 1
OEM-A-14 Coolant temperature (CLT)
OEM-A-20 O2 sensor 1 (primary)
OEM-A-15 EGR temperature sensor
OEM-A-34 Knock sensor 1
OEM-A-36 Intake air temperature (IAT)
OEM-A-65 Vehicle speed sensor (VSS)
OEM-A-37 A/C compressor switch
OEM-A-39 A/C switch (cabin)
GND
SHADOW8-B
SHADOW8
1Battery constant (HOT) supply
2Injector cylinder 1
3Injector cylinder 2
4Injector cylinder 3
5Injector cylinder 4
6Injector cylinder 5
7Injector cylinder 6
10Aux output 1
11Aux output 2
12Aux output 3
13Aux output 4
14Aux output 5
15Aux output 6
16Aux output 7
17Aux output 8
21Digital input 10 / ignition switch
26Aux 9–12 power supply
27Ignition TTL cylinder 1
28Ignition TTL cylinder 2
29Ignition TTL cylinder 3
Battery constant (HOT) supply
OEM-A-24 Injector 1 (cyl 1)
OEM-A-3 Injector 2 (cyl 2)
OEM-A-26 Injector 3 (cyl 3)
OEM-A-4 Injector 4 (cyl 4)
OEM-A-25 Injector 5 (cyl 5)
OEM-A-2 Injector 6 (cyl 6)
OEM-A-49 Secondary air injection relay control
OEM-A-6 Fuel pump relay control
OEM-A-9 Engine electronics relay control
OEM-A-27 Idle air control valve
OEM-A-31 EVAP canister purge valve
OEM-A-5 Check engine light (MIL)
OEM-A-53 Idle air control valve (2nd)
OEM-A-22 Tachometer output
OEM-A-38 Ignition switch (run/start)
Aux 9–12 power supply
OEM-A-8 Ignition coil 2 (coil pack pin 2)
OEM-A-60 Ignition coil 3 (coil pack pin 3)
OEM-A-52 Ignition coil 4 (coil pack pin 4)
SP-GND · 8 pins
SP-0V · 6 pins
SP-14V · 4 pins
Press enter or space to select a node. You can then use the arrow keys to move the node around. Press delete to remove it and escape to cancel.
Press enter or space to select an edge. You can then press delete to remove it or escape to cancel.
47 / 47 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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