ELECTRICAL HARNESS CONNECTIONS
Inspect wiring and electrical connections. Disassemble and clean all corroded connections. Replace damaged wiring, connectors, or terminals. Repair any shorted electrical circuits. Refer to wiring diagrams and reference charts for specific wiring details.
Refer to CONNECTOR SERVICING on p. 160.
Engine Harness to Stator Connector

| PinNo. | Description of Circuit | Wire Color |
|---|---|---|
| 1 | Stator winding (yellow) | Yellow/White |
| 2 | Stator winding (yellow) | Yellow |
| 3 | Stator winding (orange) | Orange/White |
| 4 | Stator winding (orange) | Orange |
| 5 | Stator winding (brown) | Brown/White |
| 6 | Stator winding (brown) | Brown |
EMM J1-A Connector

| PinNo. | Description of Circuit | Wire Color |
|---|---|---|
| 1 | vacant | |
| 2 | Diagnostic connector | Red |
| 3 | Diagnostic connector | White |
| 4 | vacant | |
| 5 | vacant | |
| 6 | Crankshaft position sensor (CPS) | Yellow |
| 7 | Ground, CPS (digital) | White |
| 8 | Bootstrap connector (programming) | Blk/Orange |
| 9 | Stop circuit | Blk/Yellow |
| 10 | Throttle position sensor (TPS) 5 V | Red |
| 11 | vacant | |
| 12 | vacant | |
| 13 | CANbus, NET-L | Blue |
| 14 | CANbus, NET-H | White |
| 15 | 12 V to EMM (fused) | Red/Purple |
| 16 | Tachometer | Gray |
| 17 | CHECK ENGINE signal, SystemCheck | Tan/Orange |
| 18 | TPS | Green |
| 19 | Engine temperature sensor | Pink/Black |
| 20 | Air temperature sensor | Pink/Blue |
| 21 | CANbus, NET-S | Red |
| 22 | CANbus, NET-C | Black |
| 23 | vacant | |
| 24 | LOW OIL signal, SystemCheck | Tan/Black |
| 25 | WATER TEMP signal, SystemCheck | Tan |
| 26 | TPS ground (analog) | Black |
| 27 | Engine temp. sensor ground (analog) | Black |
| 28 | Switched B+ to EMM | Purple |
| 29 | LOW OIL switch | Tan/Black |
| 30 | vacant | |
| 31 | vacant | |
| 32 | Neutral switch (shift linkage) | Yellow/Red |
| 33 | vacant | |
| 34 | vacant |
EMM J1-B Connector

| PinNo. | Description of Circuit | Wire Color |
|---|---|---|
| 1 | Injector, cylinder 2, 75–90 HP | Purple |
| 1 | Injector, cylinder 2, 40–65 HP | Green |
| 2 | Injector, cylinder 3, 75–90 HP | Green |
| 2 | Exhaust water valve, 60–65 HP | Blue/Red |
| 3 | vacant | |
| 4 | vacant | |
| 5 | vacant | |
| 6 | NO OIL signal, SystemCheck | Tan/Yellow |
| 7 | Ignition, cylinder 3, 75–90 HP | Orange/Green |
| 7 | vacant, 40–65 HP | |
| 8 | Injector, cylinder 1 | Blue |
| 9 | vacant | |
| 10 | vacant | |
| 11 | vacant | |
| 12 | vacant | |
| 13 | vacant | |
| 14 | Injector ground | Black |
| 15 | vacant | |
| 16 | vacant | |
| 17 | vacant | |
| 18 | vacant | |
| 19 | Ignition, cylinder 2, 75–90 HP | Orange/Purple |
| 19 | Ignition, cylinder 2, 40–65 HP | Orange/Green |
| 20 | Injector ground | Black |
| 21 | Injector ground | Black |
| 22 | vacant | |
| 23 | Oil solenoid | Blue |
| 24 | vacant | |
| 25 | vacant | |
| 26 | Ignition, cylinder 1 | Orange/Blue |
EMM J2 Connector

| PinNo. | Description of Circuit | Wire Color |
|---|---|---|
| 1 | Stator winding, 1S | Yellow |
| 2 | Stator winding, 2S | Brown |
| 3 | Stator winding, 3S | Orange |
| 4 | Fuel pump control | Brown |
| 5 | System Ground | Black |
| 6 | +12V out | Red |
| 7 | System Ground | Black |
| 8 | System Ground | Black |
| 9 | Stator winding, 1F | Yellow/White |
| 10 | Stator winding, 2F | Brown/White |
| 11 | Stator winding, 3F | Orange/White |
| 12 | Fuel pump (flyback) | White/Red |
| 13 | +55V, out | White/Red |
| 14 | +12V out | Red |
| 15 | vacant | |
| 16 | vacant |
