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.
Components
| Ref | Kind | Part | Exclude from BOM |
|---|---|---|---|
| MAIN-R | connector | ||
| NEW-BATT | terminal | ||
| NEW-KEYON | terminal | ||
| NEXUSS3-A | connector | ||
| NEXUSS3-C | connector | ||
| OEM-C84 | connector | ||
| OEM-C85 | connector | ||
| OEM-C86 | connector | ||
| OEM-C88 | connector | ||
| SP-0V | splice | ||
| SP-14V | splice | ||
| SP-GND | splice |
Create part
Cut list
Lengths need a layout (0 of 65 routed).
| Wire | From / To | Gauge | Signal |
|---|---|---|---|
| W1 | OEM-C86-22 / SP-14V-1 | 0.85 | EFI main relay power (+B) |
| W2 | OEM-C86-23 / SP-14V-1 | 0.85 | EFI main relay power (+B1) |
| W3 | OEM-C86-9 / MAIN-R-COIL+ | 0.5 | Ignition switch (IGSW) |
| W4 | NEW-BATT-1 / MAIN-R-IN | 0.85 | Relay contact input (battery + via main fuse) |
| W5 | MAIN-R-COIL- / SP-GND-1 | 0.5 | Relay coil negative (ECU low-side driver) |
| W6 | MAIN-R-OUT / NEXUSS3-A-18 | 0.85 | Relay contact output (switched +12V bus) |
| W7 | MAIN-R-OUT / NEXUSS3-A-25 | 0.85 | Relay contact output (switched +12V bus) |
| W8 | OEM-C85-16 / SP-GND-1 | 0.85 | Power ground (E1) |
| W9 | OEM-C88-28 / SP-GND-1 | 0.85 | Power ground (E11) |
| W10 | OEM-C88-33 / SP-GND-1 | 0.85 | Power ground (E02) |
| W11 | OEM-C88-34 / SP-GND-1 | 0.85 | Power ground (E01) |
| W12 | SP-GND-1 / NEXUSS3-A-10 | 0.85 | Battery ground |
| W13 | SP-GND-1 / NEXUSS3-A-11 | 0.85 | Battery ground |
| W14 | OEM-C84-11 / SP-0V-1 | 0.5 | Cam 1 return (G1-) |
| W15 | OEM-C84-17 / SP-0V-1 | 0.5 | Cam 2 return (G2-) |
| W16 | OEM-C84-22 / SP-0V-1 | 0.5 | Sensor ground (E2) |
| W17 | OEM-C84-6 / SP-0V-1 | 0.5 | Crank sensor return (NE-) |
| W18 | SP-0V-1 / NEXUSS3-C-26 | 0.5 | Signal ground |
| W19 | OEM-C84-1 / NEXUSS3-C-25 | 0.5 | Sensor supply +5V (VCC) |
| W20 | OEM-C84-5 / NEXUSS3-C-1 | 0.5 | Crank position (NE) |
| W21 | SP-0V-1 / NEXUSS3-C-2 | 0.5 | Trigger - |
| W22 | OEM-C84-10 / NEXUSS3-C-3 | 0.5 | Cam position 1 (G1) |
| W23 | SP-0V-1 / NEXUSS3-C-4 | 0.5 | Home - |
| W24 | OEM-C84-16 / NEXUSS3-C-5 | 0.5 | Cam position 2 (G2) |
| W25 | OEM-C88-5 / NEXUSS3-C-23 | 0.5 | Knock sensor 1 (KNK1, front) |
| W26 | OEM-C88-4 / NEXUSS3-C-24 | 0.5 | Knock sensor 2 (KNK2, rear) |
| W27 | OEM-C88-24 / NEXUSS3-A-27 | 0.5 | Ignition 1 (IGT1) |
| W28 | OEM-C88-16 / NEXUSS3-A-28 | 0.5 | Ignition 2 (IGT2) |
| W29 | OEM-C88-15 / NEXUSS3-A-29 | 0.5 | Ignition 3 (IGT3) |
| W30 | OEM-C88-26 / NEXUSS3-A-30 | 0.5 | Ignition 4 (IGT4) |
| W31 | OEM-C88-30 / NEXUSS3-A-31 | 0.5 | Ignition 5 (IGT5) |
| W32 | OEM-C88-29 / NEXUSS3-A-32 | 0.5 | Ignition 6 (IGT6) |
| W33 | OEM-C88-10 / NEXUSS3-A-1 | 0.5 | Injector 1 (#10, cyl 1&4) |
| W34 | OEM-C88-9 / NEXUSS3-A-2 | 0.5 | Injector 2 (#20, cyl 3&5) |
| W35 | OEM-C88-8 / NEXUSS3-A-3 | 0.5 | Injector 3 (#30, cyl 2&6) |
| W36 | OEM-C84-8 / NEXUSS3-C-10 | 0.5 | Manifold pressure (PIM) |
| W37 | OEM-C84-7 / NEXUSS3-C-11 | 0.5 | Throttle position (VTA1) |
| W38 | OEM-C84-20 / NEXUSS3-C-12 | 0.5 | Coolant temperature (THW) |
| W39 | OEM-C85-2 / NEXUSS3-A-26 | 0.5 | EFI main relay control (M-REL) |
| W40 | OEM-C86-5 / NEXUSS3-A-9 | 0.5 | A/C clutch relay (ACMG) |
| W41 | OEM-C88-3 / NEXUSS3-C-33 | 0.5 | O2 heater (HT) |
| W42 | OEM-C88-11 / NEXUSS3-A-12 | 0.5 | A/T shift solenoid 1 (S1) |
| W43 | OEM-C88-23 / NEXUSS3-A-14 | 0.5 | ISC stepper coil 1 (ISCV1) |
| W44 | OEM-C88-17 / NEXUSS3-A-15 | 0.5 | A/T shift solenoid 2 (S2) |
| W45 | OEM-C88-22 / NEXUSS3-A-16 | 0.5 | ISC stepper coil 2 (ISCV2) |
| W46 | OEM-C88-21 / NEXUSS3-A-17 | 0.5 | ISC stepper coil 3 (ISCV3) |
| W47 | OEM-C88-20 / NEXUSS3-A-4 | 0.5 | ISC stepper coil 4 (ISCV4) |
| W48 | OEM-C85-3 / NEXUSS3-A-5 | 0.5 | Check-engine lamp (W) |
| W49 | OEM-C85-4 / NEXUSS3-A-6 | 0.5 | Fuel pump control (FPC) |
| W50 | OEM-C86-8 / NEXUSS3-A-7 | 0.5 | Cat temp warning light (EGW) |
| W51 | OEM-C88-27 / NEXUSS3-A-8 | 0.5 | A/T lock-up solenoid (S3) |
| W52 | OEM-C84-12 / NEXUSS3-C-13 | 0.5 | TRAC throttle position (VTA2) |
| W53 | OEM-C84-13 / NEXUSS3-C-14 | 0.5 | O2 sensor (OX1) |
| W54 | OEM-C84-14 / NEXUSS3-C-15 | 0.5 | Intake air temperature (THA) |
| W55 | OEM-C86-13 / NEXUSS3-C-16 | 0.5 | Cat temperature sensor (CCO) |
| W56 | OEM-C86-12 / NEXUSS3-C-6 | 0.5 | No.1 speed sensor (SP1) |
| W57 | OEM-C84-4 / NEXUSS3-C-7 | 0.5 | No.2 speed sensor (SP2-) |
| W58 | OEM-C84-9 / NEXUSS3-C-8 | 0.5 | No.2 speed sensor (SP2+) |
| W59 | OEM-C84-15 / NEXUSS3-C-19 | 0.5 | OD direct-clutch speed sensor (NCO+) |
| W60 | OEM-C84-3 / NEXUSS3-C-20 | 0.5 | OD direct-clutch speed sensor (NCO-) |
| W61 | OEM-C85-5 / NEXUSS3-C-17 | 0.5 | Diagnostic test 1 (TE1) |
| W62 | OEM-C86-7 / NEXUSS3-C-18 | 0.5 | A/T overdrive disable 1 (OD1) |
| W63 | OEM-C86-10 / NEXUSS3-C-27 | 0.5 | A/T 2nd-gear indicator (2) |
| W64 | OEM-C86-11 / NEXUSS3-C-28 | 0.5 | Diagnostic test 2 (TE2) |
| W65 | NEW-KEYON-1 / NEXUSS3-A-13 | 0.5 | Ignition switch input |
Bill of materials
No parts in this harness.