Engine Controls Connectors
WARNING: This page is about a different car, the 2004 GMC Yukon XL, 2004 Chevrolet Suburban, and 2004 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Accelerator Pedal Position (APP) Sensor
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | GRY | 1273 | Low Reference |
| B | PPL | 1272 | 5-Volt Reference |
| C | LT BLU | 1162 | APP Sensor 2 Signal |
| D | TAN | 1274 | Low Reference |
| E | BRN | 1271 | Low Reference |
| F | DK BLU | 1161 | APP Sensor 1 Signal |
| G | WHT/BLK | 1164 | 5-Volt Reference |
| H | - | - | Not Used |
| J | YEL/BLK | 1275 | 5-Volt Reference |
| K | DK GRN | 1163 | APP Sensor 3 Signal |
Camshaft Position (CMP) Sensor
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | RED | 631 | 12-Volt Reference |
| B | PNK/BLK | 632 | Low Reference |
| C | BRN/WHT | 633 | CMP Sensor Signal |
Crankshaft Position (CKP) Sensor
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | LT GRN | 1867 | 12-Volt Reference |
| B | YEL/BLK | 1868 | Low Reference |
| C | DK BLU/WHT | 1869 | CKP Sensor Signal |
Engine Coolant Temperature (ECT) Sensor
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BLK | 407 | Low Reference |
| B | YEL | 410 | ECT Sensor Signal |
| C | - | - | Not Used |
Evaporative Emission (EVAP) Canister Purge Solenoid
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | PNK | 439 | Ignition 1 Voltage |
| B | DK GRN/WHT | 428 | EVAP Canister Purge Solenoid Control |
Evaporative Emission (EVAP) Canister Vent Solenoid
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | WHT | 1310 | EVAP Canister Vent Solenoid Control |
| B | PNK | 2640 | Battery Positive Voltage |
Exhaust Gas Recirculation (EGR) Valve
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | WHT | 257 | EGR Solenoid Control |
| B | PPL | 719 | Low Reference |
| C | BRN | 1456 | EGR Valve Position Signal |
| D | GRY | 596 | 5-Volt Reference |
| E | RED | 1676 | EGR Valve Supply Voltage |
Fuel Injector 1
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | WHT | 1039 | Ignition 1 Voltage |
| B | BLK | 1744 | Fuel Injector 1 Control |
Fuel Injector 2
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | PNK | 1239 | Ignition 1 Voltage |
| B | LT GRN/BLK | 1745 | Fuel Injector 2 Control |
Fuel Injector 3
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | WHT | 1039 | Ignition 1 Voltage |
| B | PNK/BLK | 1746 | Fuel Injector 3 Control |
Fuel Injector 4
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | PNK | 1239 | Ignition 1 Voltage |
| B | LT BLU/BLK | 844 | Fuel Injector 4 Control |
Fuel Injector 5
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | WHT | 1039 | Ignition 1 Voltage |
| B | BLK/WHT | 845 | Fuel Injector 5 Control |
Fuel Injector 6
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | PNK | 1239 | Ignition 1 Voltage |
| B | YEL/BLK | 846 | Fuel Injector 6 Control |
Fuel Injector 7
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | WHT | 1039 | Ignition 1 Voltage |
| B | RED/BLK | 877 | Fuel Injector 7 Control |
Fuel Injector 8
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | PNK | 1239 | Ignition 1 Voltage |
| B | DK BLU/WHT | 878 | Fuel Injector 8 Control |
Fuel Pump (FP) Relay - Secondary (w/Dual Tanks)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 30 | PNK | 239 | Ignition 1 Voltage |
| 85 | GRY | 120 | Fuel Pump Supply Voltage |
| 86 | TAN | 1465 | Fuel Pump Relay Control |
| 87 | LT GRN | 1058 | Fuel Balance Pump Supply Voltage |
Fuel Pump and Sender Assembly - Primary
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | PPL | 1589 | Fuel Level Sensor Signal |
| B | GRY | 120 | Fuel Pump Supply Voltage |
| C | BLK | 2150 | Ground |
| D | BLK | 470 | Low Reference |
Fuel Pump and Sender Assembly - Secondary (w/Dual Tanks)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | DK BLU | 1936 | Fuel Level Sensor Signal |
| B | LT GRN | 1058 | Fuel Balance Pump Supply Voltage |
| C | BLK | 2150 | Ground |
| D | BLK | 470 | Low Reference |
Fuel Tank Pressure (FTP) Sensor
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BLK | 470 | Low Reference |
| B | DK GRN | 890 | Fuel Tank Pressure Sensor Signal |
| C | GRY | 474 | 5-Volt Reference |
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | TAN/WHT | 1669 | HO2S Low Signal Bank 1 Sensor 1 |
| B | PPL/WHT | 1665 | HO2S High Signal Bank 1 Sensor 1 |
| D | PNK | 539 | Ignition 1 Voltage |
| E | BLK/WHT | 3113 | HO2S Heater Low Control Bank 1 Sensor 1 |
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2 (w/NC1)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | WHT | 1669 | HO2S Low Signal Bank 1 Sensor 2 |
| B | PPL/WHT | 1668 | HO2S High Signal Bank 1 Sensor 2 |
| D | PNK | 1539 | Ignition 1 Voltage |
| E | BRN | 2391 | HO2S Heater Low Control Bank 1 Sensor 2 |
Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | TAN | 1667 | HO2S Low Signal Bank 2 Sensor 1 |
| B | PPL | 1666 | HO2S High Signal Bank 2 Sensor 1 |
| D | PNK | 539 | Ignition 1 Voltage |
| E | LT GRN | 3212 | HO2S Heater Low Control Bank 2 Sensor 1 |
Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 (w/NC1)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | TAN | 1671 | HO2S Low Signal Bank 2 Sensor 2 |
| B | PPL | 1670 | HO2S High Signal Bank 2 Sensor 2 |
| D | PNK | 1539 | Ignition 1 Voltage |
| E | RED/WHT | 3223 | HO2S Heater Low Control Bank 2 Sensor 2 |
Ignition Coil 1
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BLK | 550 | Ground |
| B | BRN | 2129 | Low Reference |
| C | PPL | 2121 | IC 1 Control |
| D | PNK | 1039 | Ignition 1 Voltage |
Ignition Coil 2
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BLK | 550 | Ground |
| B | BRN/WHT | 2130 | Low Reference |
| C | RED/WHT | 2122 | IC 2 Control |
| D | PNK | 1239 | Ignition 1 Voltage |
Ignition Coil 3
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BLK | 550 | Ground |
| B | BRN | 2129 | Low Reference |
| C | LT BLU | 2123 | IC 3 Control |
| D | PNK | 1039 | Ignition 1 Voltage |
Ignition Coil 4
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BLK | 550 | Ground |
| B | BRN/WHT | 2130 | Low Reference |
| C | DK GRN/WHT | 2124 | IC 4 Control |
| D | PNK | 1239 | Ignition 1 Voltage |
Ignition Coil 5
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BLK | 550 | Ground |
| B | BRN | 2129 | Low Reference |
| C | DK GRN | 2125 | IC 5 Control |
| D | PNK | 1039 | Ignition 1 Voltage |
Ignition Coil 6
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BLK | 550 | Ground |
| B | BRN/WHT | 2130 | Low Reference |
| C | LT BLU/WHT | 2126 | IC 6 Control |
| D | PNK | 1239 | Ignition 1 Voltage |
Ignition Coil 7
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BLK | 550 | Ground |
| B | BRN | 2129 | Low Reference |
| C | RED | 2127 | IC 7 Control |
| D | PNK | 1039 | Ignition 1 Voltage |
Ignition Coil 8
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BLK | 550 | Ground |
| B | BRN/WHT | 2130 | Low Reference |
| C | PPL/WHT | 2128 | IC 8 Control |
| D | PNK | 1239 | Ignition 1 Voltage |
Intake Air Temperature (IAT)/Mass Air Flow (MAF) Sensor
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BLK | 552 | Low Reference |
| B | TAN | 472 | IAT Sensor Signal |
| C | BLK/WHT | 451 | Ground |
| D | PNK | 439 | Ignition 1 Voltage |
| E | YEL | 492 | MAF Sensor Signal |
Manifold Absolute Pressure (MAP) Sensor
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | ORN/BLK | 469 | Low Reference |
| B | LT GRN | 432 | MAP Sensor Signal |
| C | GRY | 597 | 5-Volt Reference |
Throttle Actuator Control (TAC) Module - C1 Connector End View
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | DK GRN | 485 | TP Sensor 1 Signal |
| 2 | GRY | 416 | 5-Volt Reference |
| 3 | BLK | 452 | Low Reference |
| 4 | DK BLU | 84 | Cruise Control Set/Coast Switch Signal |
| 5 | GRY/BLK | 87 | Cruise Control Resume/Accel Switch Signal |
| 6 | LT BLU | 1320 | CHMSL Supply Voltage |
| 7 | PNK | 1339 | Ignition 1 Voltage |
| 8 | BRN | 582 | TAC Motor Control - 2 |
| 9 | LT BLU/BLK | 1688 | 5-Volt Reference |
| 10 | BLK/WHT | 1704 | Low Reference |
| 11 | PPL | 486 | TP Sensor 2 Signal |
| 12 | ORN/BLK | 1061 | UART Serial Data |
| 13 | DK BLU/WHT | 774 | UART Serial Data |
| 14 | GRY | 397 | Cruise Control On Switch Signal |
| 15 | BLK/WHT | 550 | Ground |
| 16 | YEL | 581 | TAC Motor Control - 1 |
Throttle Actuator Control (TAC) Module - C2 Connector End View
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | GRY | 1273 | Low Reference |
| B | PPL | 1272 | 5-Volt Reference |
| C | LT BLU | 1162 | APP Sensor 2 Signal |
| D | TAN | 1274 | Low Reference |
| E | YEL/BLK | 1275 | 5-Volt Reference |
| F | DK BLU | 1161 | APP Sensor 1 Signal |
| G | WHT/BLK | 1164 | 5 Volt Reference |
| H | - | - | Not Used |
| J | BRN | 1271 | Low Reference |
| K | DK GRN | 1163 | APP Sensor 3 Signal |
Throttle Body
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | YEL | 581 | TAC Motor Control - 1 |
| B | BLK/WHT | 1704 | Low Reference |
| C | BRN | 582 | TAC Motor Control - 2 |
| D | BLK | 452 | Low Reference |
| E | LT BLU/BLK | 1688 | 5-Volt Reference |
| F | PPL | 486 | TP Sensor 2 Signal |
| G | DK GRN | 485 | TP Sensor 1 Signal |
| H | GRY | 416 | 5-Volt Reference |