Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 555 (SEAT SYSTEM)COMPONENT LOCATORPOWER SEAT SYSTEMS CONNECTOR END VIEWS
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6
Power Seat Systems Connector End Views
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Power Seat Systems Connector End Views
WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
Seat Adjuster Switch Terminal Identification - Driver
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | DK BLU | 1520 | Power Seat Front Vertical Down Switch Signal |
| 2 | - | - | Not Used |
| 3 | YEL | 1519 | Power Seat Rear Vertical Up Switch Signal |
| 4 | - | - | Not Used |
| 5 | GRY | 764 | Driver Seat Deflate Relay Control |
| 6 | - | - | Not Used |
| 7 | GRY/BLK | 1798 | Low Reference |
| 8 | - | - | Not Used |
| 9 | GRY/BLK | 466 | Driver Seat Lumbar Rearward Relay Control |
| 10 | - | - | Not Used |
| 11 | PNK | 789 | Driver Seat Pneumatic Lower Lumbar Solenoid Control |
| 12 | - | - | Not Used |
| 13 | BRN | 617 | Entire Seat Rearward Switch Signal |
| 14 | GRY | 613 | Entire Seat Forward Switch Signal |
| 15 | - | - | Not Used |
| 16 | YEL | 777 | Driver Seat Pneumatic Upper Lumbar Solenoid Control |
| 17 | - | - | Not Used |
| 18 | PPL | 765 | Driver Seat Pneumatic Lateral Solenoid Control |
| 19 | - | - | Not Used |
| 20 | ORN | 1740 | Battery Positive Voltage |
| 21 | - | - | Not Used |
| 22 | YEL | 386 | Driver Seat Lumbar Down Relay Control |
| 23 | - | - | Not Used |
| 24 | LT BLU | 1521 | Power Seat Rear Vertical Down Switch Signal |
| 25 | - | - | Not Used |
| 26 | DK GRN | 1518 | Power Seat Front Vertical Up Switch Signal |
Seat Adjuster Switch Terminal Identification - Front Passenger
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | DK GRN | 1518 | Power Seat Front Vertical Up Switch Signal |
| 2 | - | - | Not Used |
| 3 | LT BLU | 1521 | Power Seat Rear Vertical Down Switch Signal |
| 4 | - | - | Not Used |
| 5 | YEL | 757 | Passenger Seat Lumbar Down Relay Control |
| 6 | - | - | Not Used |
| 7 | GRY/BLK | 1798 | Ground |
| 8 | - | - | Not Used |
| 9 | PNK | 1265 | Passenger Seat Lateral Pneumatic Solenoid Control |
| 10 | - | - | Not Used |
| 11 | ORN | 1261 | Passenger Seat Upper Lumbar Pneumatic Solenoid Control |
| 12 | - | - | Not Used |
| 13 | BRN | 617 | Entire Seat Rearward Switch Signal |
| 14 | GRY | 613 | Entire Seat Forward Switch Signal |
| 15 | - | - | Not Used |
| 16 | LT BLU | 1259 | Passenger Seat Lower Lumbar Pneumatic Solenoid Control |
| 17 | - | - | Not Used |
| 18 | GRY/BLK | 758 | Passenger Seat Lumbar Rearward Relay Control |
| 19 | - | - | Not Used |
| 20 | ORN | 1140 | Battery Positive Voltage |
| 21 | - | - | Not Used |
| 22 | GRY | 1805 | Passenger Pneumatic Seat Deflate Relay Control |
| 23 | - | - | Not Used |
| 24 | YEL | 1519 | Power Seat Rear Vertical Up Switch Signal |
| 25 | - | - | Not Used |
| 26 | DK BLU | 1520 | Power Seat Front Vertical Down Switch Signal |
Seat Control Module (SCM) Terminal Identification - Driver C1 (Telescopic and Memory)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | YEL | 1519 | Power Seat Front Vertical Up Switch Signal |
| 2 | GRY | 613 | Entire Seat Forward Switch Signal |
| 3 | ORN | 1740 | Battery Positive Voltage |
| 4 | ORN | 2153 | Steering Column Telescope Motor Signal |
| 5 | - | - | Not Used |
| 6 | BRN/WHT | 557 | Front Vertical Seat Motor Position Sensor Signal |
| 7 | - | - | Not Used |
| 8 | GRY/BLK | 1798 | Low Reference |
| 9 | BRN/WHT | 1048 | SCM (Seat) Class 2 Serial Data |
| 10 | - | - | Not Used |
| 11 | ORN | 2095 | Steering Column Tilt and Telescope Reverse Switch Signal |
| 12 | LT BLU | 1521 | Power Seat Rear Vertical Down Switch Signal |
| 13 | PPL | 1985 | 5 Volt Reference |
| 14 | PNK | 2094 | Steering Column Tilt and Telescope Forward Switch Signal |
| 15 | BRN | 617 | Entire Seat Rearward Switch Signal |
| 16 | DK GRN | 1518 | Power Seat Front Vertical Up Switch Signal |
| 17 | DK BLU | 1520 | Power Seat Front Vertical Down Switch Signal |
| 18 | TAN | 568 | Vertical Seat Motor Position Sensor Signal |
| 19 | DK GRN | 569 | Horizontal Seat Motor Position Sensor Signal |
| 20 | - | - | Not Used |
| 21 | BLK | 782 | Memory Seat/Mirror Sensor Low Reference |
| 22-26 | - | - | Not Used |
Seat Control Module (SCM) Terminal Identification - Driver C2 (Telescopic and Memory)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | - | - | Not Used |
| B | BLK | 2110 | Steering Column Telescope Motor Reverse |
| C | BLK | 150 | Ground |
| D | TAN | 285 | Driver Seat Horizontal Motor Forward Control |
| E | DK GRN | 286 | Driver Seat Front Vertical Motor Up Control |
| F | YEL | 282 | Driver Seat Rear Vertical Motor Up Control |
| F | LT BLU | 283 | Driver Seat Rear Vertical Motor Down Control (W/ Telescopic) |
Seat Control Module (SCM) Terminal Identification - Driver C3 (Telescopic and Memory)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | ORN | 1840 | Battery Positive Voltage |
| B | LT GRN | 284 | Driver Seat Horizontal Motor Rearward Control |
| B | YEL | 282 | Driver Seat Rear Vertical Motor Up Control (W/ Telescopic) |
| C | DK BLU | 287 | Driver Seat Front Vertical Motor Down Control |
| D | LT BLU | 283 | Driver Seat Rear Vertical Motor Down Control |
| D | RED | 2098 | Steering Column Telescope Motor Forward (W/ Telescopic) |
| E | LT GRN | 284 | Driver Seat Horizontal Motor Rearward Control |
| F | - | - | Not Used |
Seat Lower Motor Terminal Identification - Driver C1
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | TAN | 285 | Driver Seat Horizontal Motor Forward Control |
| B | LT GRN | 284 | Driver Seat Horizontal Motor Rearward Control |
| C | DK GRN | 286 | Driver Seat Front Vertical Motor Up Control |
| D | DK BLU | 287 | Driver Seat Front Vertical Motor Down Control |
| E | YEL | 282 | Driver Seat Rear Vertical Motor Up Control |
| F | LT BLU | 283 | Driver Seat Rear Vertical Motor Down Control |
Seat Lower Motor Terminal Identification - Driver C2 (Memory and Telescopic)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | PPL | 1985 | 5 Volt Reference |
| B | DK GRN | 569 | Horizontal Seat Motor Position Sensor Signal |
| C | BLK | 782 | Memory Seat/Mirror Sensor Low Reference |
Seat Lower Motor Terminal Identification - Driver C3 (Memory and Telescopic)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BLK | 782 | Memory Seat/Mirror Sensor Low Reference |
| B | BRN/WHT | 557 | Front Vertical Seat Motor Position Sensor Signal |
| C | PPL | 1985 | 5 Volt Reference |
Seat Lower Motor Terminal Identification - Driver C4 (Memory and Telescopic)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BLK | 782 | Memory Seat/Mirror Sensor Low Reference |
| B | TAN | 568 | Rear Vertical Seat Motor Position Sensor Signal |
| C | PPL | 1985 | 5 Volt Reference |
Seat Lower Motor Terminal Identification - Front Passenger
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | TAN | 285 | Driver Seat Horizontal Motor Forward Control |
| B | LT GRN | 284 | Driver Seat Horizontal Motor Rearward Control |
| C | DK GRN | 286 | Driver Seat Front Vertical Motor Up Control |
| D | DK BLU | 287 | Driver Seat Front Vertical Motor Down Control |
| E | YEL | 282 | Driver Seat Rear Vertical Motor Up Control |
| F | LT BLU | 283 | Driver Seat Rear Vertical Motor Down Control |
Seat Pump Terminal Identification - Driver
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BLK | 150 | Ground |
| B | - | - | Not Used |
| C | YEL | 386 | Driver Seat Lumbar Down Relay Control |
| D | GRY | 764 | Driver Seat Deflate Relay Control |
| E | GRY/BLK | 466 | Driver Seat Inflate Relay Control |
| F | PPL | 765 | Driver Seat Pneumatic Lateral Solenoid Control |
| G | YEL | 777 | Driver Seat Pneumatic Upper Lumbar Solenoid Control |
| H | PNK | 789 | Driver Seat Pneumatic Lower Lumbar Solenoid Control |
| J | - | - | Not Used |
| K | ORN | 1140 | Battery Positive Voltage |
Seat Pump Terminal Identification - Front Passenger
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BLK | 150 | Ground |
| B | - | - | Not Used |
| C | YEL | 757 | Passenger Seat Lumbar Down Relay Control |
| D | GRY | 1805 | Passenger Pneumatic Seat Deflate Relay Control |
| E | GRY/BLK | 758 | Passenger Seat Lumbar Rearward Relay Control |
| F | PNK | 1265 | Passenger Seat Lateral Pneumatic Solenoid Control |
| G | ORN | 1261 | Passenger Seat Upper Lumbar Pneumatic Solenoid Control |
| H | LT BLU | 1259 | Passenger Seat Lower Lumbar Pneumatic Solenoid Control |
| J | - | - | Not Used |
| K | ORN | 1140 | Battery Positive Voltage |
Seat Relay Center Terminal Identification - Driver C1
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | YEL | 1519 | Power Seat Front Vertical Up Switch Signal |
| 2 | GRY | 613 | Entire Seat Forward Switch Signal |
| 3 | ORN | 1740 | Battery Positive Voltage |
| 4-7 | - | - | Not Used |
| 8 | GRY/BLK | 1798 | Low Reference |
| 9-11 | - | - | Not Used |
| 12 | LT BLU | 1521 | Power Seat Rear Vertical Down Switch Signal |
| 13-14 | - | - | Not Used |
| 15 | BRN | 617 | Entire Seat Rearward Switch Signal |
| 16 | DK GRN | 1518 | Power Seat Front Vertical Up Switch Signal |
| 17 | DK BLU | 1520 | Power Seat Front Vertical Down Switch Signal |
| 18-26 | - | - | Not Used |
Seat Relay Center Terminal Identification - Driver C2
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A-B | - | - | Not Used |
| C | BLK | 150 | Ground |
| D | TAN | 285 | Driver Seat Horizontal Motor Forward Control |
| E | DK GRN | 286 | Driver Seat Front Vertical Motor Up Control |
| F | YEL | 282 | Driver Seat Rear Vertical Motor Up Control |
Seat Relay Center Terminal Identification - Driver C3
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | ORN | 1840 | Battery Positive Voltage |
| B | LT GRN | 284 | Driver Seat Horizontal Motor Rearward Control |
| C | DK BLU | 287 | Driver Seat Front Vertical Motor Down Control |
| D | LT BLU | 283 | Driver Seat Rear Vertical Motor Down Control |
| E-F | - | - | Not Used |
Seat Relay Center Terminal Identification - Front Passenger C1
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | YEL | 1519 | Power Seat Front Vertical Up Switch Signal |
| 2 | GRY | 613 | Entire Seat Forward Switch Signal |
| 3 | ORN | 1140 | Battery Positive Voltage |
| 4-7 | - | - | Not Used |
| 8 | GRY/BLK | 1798 | Low Reference |
| 9-11 | - | - | Not Used |
| 12 | LT BLU | 1521 | Power Seat Rear Vertical Down Switch Signal |
| 13-14 | - | - | Not Used |
| 15 | BRN | 617 | Entire Seat Rearward Switch Signal |
| 16 | DK GRN | 1518 | Power Seat Front Vertical Up Switch Signal |
| 17 | DK BLU | 1520 | Power Seat Front Vertical Down Switch Signal |
| 18-26 | - | - | Not Used |
Seat Relay Center Terminal Identification - Front Passenger C2
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A-B | - | - | Not Used |
| C | BLK | 150 | Ground |
| D | TAN | 285 | Driver Seat Horizontal Motor Forward Control |
| E | DK GRN | 286 | Driver Seat Front Vertical Motor Up Control |
| F | YEL | 282 | Driver Seat Rear Vertical Motor Up Control |
Seat Relay Center Terminal Identification - Front Passenger C3
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | ORN | 1440 | Battery Positive Voltage |
| B | LT GRN | 284 | Driver Seat Horizontal Motor Rearward Control |
| C | DK BLU | 287 | Driver Seat Front Vertical Motor Down Control |
| D | LT BLU | 283 | Driver Seat Rear Vertical Motor Down Control |
| E-F | - | - | Not Used |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.