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 MANUALSBUICK2005LESABRE LIMITED, 4T65E/M15REPAIR AND DIAGNOSISBODY & FRAMESEATSSEAT SYSTEMCOMPONENT LOCATORPOWER SEAT SYSTEMS CONNECTOR END VIEWS
2005 Buick LeSabre Limited, 4T65E/M15
Power Seat Systems Connector End Views
2005 Buick LeSabre Limited, 4T65E/M15SECTION Power Seat Systems Connector End Views
Power Seat Systems Connector End Views - Front Seat Horizontal Motor - Driver
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | TAN | 285 | Driver Seat Horizontal Motor Forward |
| B | LT GRN | 284 | Driver Seat Horizontal Motor Rearward |
Power Seat Systems Connector End Views - Heated Seat Module - Driver C1 (AG1, A80, KA1)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | ORN | 2440 | Battery Positive Voltage |
| B | BRN | 41 | Ignition 3 Voltage |
| C | LT BLU/WHT | 181 | Heated Seat Control Module Status Signal |
| D | - | - | Not Used |
| E | PNK | 1501 | Driver Heated Seat High/Low Signal |
| F-J | - | - | Not Used |
| K | BLK | 650 | Ground |
Power Seat Systems Connector End Views - Heated Seat Module - Driver C2 (w/AG1, A80, KA1)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | RED | - | Heated Seat Element Supply Voltage |
| B | - | - | Not Used |
| C | BLK | - | Heated Seat Element Control Ground |
| D | GRY | - | Low Reference |
| E | - | - | Not Used |
| F | GRY | - | Temperature Sensor Signal |
Power Seat Systems Connector End Views - Heated Seat Module - Front Passenger C1 (AG2, A81, KA1)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | ORN | 2540 | Battery Positive Voltage |
| B | BRN | 41 | Ignition 3 Voltage |
| C | LT BLU/WHT | 181 | Heated Seat Control Module Status Signal |
| D | - | - | Not Used |
| E | PNK/BLK | 1503 | Passenger Heated Seat High/Low Signal |
| F-J | - | - | Not Used |
| K | BLK | 650 | Ground |
Power Seat Systems Connector End Views - Heated Seat Module - Front Passenger C2 (w/AG2, A81, KA1)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | RED | - | Heated Seat Element Supply Voltage |
| B | - | - | Not Used |
| C | BLK | - | Heated Seat Element Control Ground |
| D | GRY | - | Low Reference |
| E | - | - | Not Used |
| F | GRY | - | Temperature Sensor Signal |
Power Seat Systems Connector End Views - Heated Seat Switch - Driver (KA1)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | DK BLU | 1461 | Heated Seat Indicator Supply Voltage |
| B | BRN | 1463 | Heated Seat Low Temperature Indicator Supply Voltage |
| C | LT BLU | 1462 | Heated Seat Switch Signal |
| D | YEL | 1491 | Backlight Lamps Voltage |
| E | BLK/WHT | 351 | Ground |
Power Seat Systems Connector End Views - Heated Seat Switch - Front Passenger
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | DK BLU/WHT | 1504 | Passenger Heated Seat Indicator Supply Voltage |
| B | BRN/WHT | 1506 | Passenger Heated Seat Low Temperature Indicator Supply Voltage |
| C | LT BLU/BLK | 1505 | Passenger Heated Seat Switch Signal |
| D | YEL | 1491 | Backlight Lamps Control |
| E | BLK/WHT | 451 | Ground |
Power Seat Systems Connector End Views - Memory/Personalization Function Switch (A45)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | WHT | 615 | Memory 1 Switch Signal |
| B | PPL | 616 | Memory 2 Switch Signal |
| C | BLK/WHT | 351 | Ground |
| D | YEL | 1491 | Backlight Lamps Control |
Power Seat Systems Connector End Views - Memory Seat Module (MSM) - Driver C1 (A45)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | ORN | 3740 | Battery Positive Voltage |
| B | BLK | 650 | Ground |
Power Seat Systems Connector End Views - Memory Seat Module (MSM) - Driver C2 (A45)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| C1 | DK GRN | 1518 | Power Seat Front Vertical Up Switch Signal |
| C2 | YEL | 1519 | Power Seat Rear Vertical Up Switch Signal |
| C3 | DK BLU | 1520 | Power Seat Front Vertical Down Switch Signal |
| C4 | LT BLU | 1521 | Power Seat Rear Vertical Down Switch Signal |
| C5 | TAN | 1522 | Power Seat Horizontal Forward Switch Signal |
| C6 | LT GRN | 1523 | Power Seat Horizontal Rearward Switch Signal |
| C7 | LT GRN | 276 | Driver Seat Recline Motor Forward |
| C8 | LT BLU | 277 | Driver Seat Recline Motor Rearward |
| C9 | DK BLU | 1064 | Driver Seat Lumbar Rearward Switch Signal |
| C10 | YEL | 1065 | Driver Seat Lumbar Forward Switch Signal |
| C11 | WHT | 1066 | Driver Seat Lumbar Up Switch Signal |
| C12 | YEL/BLK | 1067 | Driver Seat Lumbar Down Switch Signal |
| C13 | GRY | 788 | 5-Volt Reference |
| C14 | BRN/WHT | 557 | Front Vertical Seat Motor Position Sensor Signal |
| C15 | BLK | 782 | Memory Seat/Mirror Sensor Low Reference |
| C16 | DK GRN | 569 | Horizontal Seat Motor Position Sensor Signal |
| D1 | TAN | 568 | Memory Seat Position Sensor Signal - Rear Vertical Motor |
| D2 | WHT/BLK | 570 | Driver Seat Recline Motor Position Sensor Signal |
| D3 | YEL | 1063 | Driver Seat Lumbar Horizontal Position Sensor Signal |
| D4 | BLK | 1062 | Driver Seat Lumbar Vertical Position Sensor Signal |
| D5-D10 | - | - | Not Used |
| D11 | ORN | 2840 | Battery Positive Voltage |
| D12-D13 | - | - | Not Used |
| D14 | PPL | 1807 | Class 2 Serial Data |
| D15 | PPL | 1807 | Class 2 Serial Data |
| D16 | - | - | Not Used |
Power Seat Systems Connector End Views - Memory Seat Module - C3 (w/A45)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | DK GRN | 286 | Driver Seat Front Vertical Motor Up Control |
| B | DK BLU | 611 | Driver Seat Lumbar Motor Forward Control |
| C | TAN | 768 | Driver Seat Lumbar Motor Up Control |
| D-E | - | - | Not Used |
| F | LT GRN | 276 | Driver Seat Recline Motor Forward Control |
| G | LT BLU | 277 | Driver Seat Recline Motor Rearward Control |
| H-J | - | - | Not Used |
| K | PPL | 767 | Driver Seat Lumbar Motor Down Control |
| L | PNK | 610 | Driver Seat Lumbar Motor Rearward Control |
| M | DK BLU | 287 | Driver Seat Front Vertical Motor Down Control |
| N | TAN | 285 | Driver Seat Horizontal Motor Forward Control |
| P | YEL | 282 | Driver Seat Rear Vertical Motor Up Control |
| R | LT BLU | 283 | Driver Seat Vertical Motor Down Control |
| S | LT GRN | 284 | Driver Seat Horizontal Motor Rearward Control |
Power Seat Systems Connector End Views - Seat Adjuster Switch - Driver (AG1, w/o A80, A45)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | DK GRN | 286 | Driver Seat Front Vertical Motor Up |
| B | DK BLU | 287 | Driver Seat Front Vertical Motor Down |
| C | YEL | 282 | Driver Seat Rear Vertical Motor Up |
| D | LT BLU | 283 | Driver Seat Rear Vertical Motor Down |
| E | BLK | 650 | Ground |
| F | LT GRN | 284 | Driver Seat Horizontal Motor Rearward |
| G | TAN | 285 | Driver Seat Horizontal Motor Forward |
| H | ORN | 3740 | Battery Positive Voltage |
Power Seat Systems Connector End Views - Seat Adjuster Switch - Driver (AG1 and A80, w/o A45)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | LT BLU | 277 | Driver Seat Recline Motor Rearward |
| B | LT GRN | 276 | Driver Seat Recline Motor Forward |
| C | BLK | 650 | Ground |
| D | LT GRN | 284 | Driver Seat Horizontal Motor Rearward |
| E | TAN | 285 | Driver Seat Horizontal Motor Forward |
| F | ORN | 3740 | Battery Positive Voltage |
| G-H | - | - | Not Used |
| J | LT BLU | 283 | Driver Seat Rear Vertical Motor Down |
| K | YEL | 282 | Driver Seat Rear Vertical Motor Up |
| L | DK BLU | 287 | Driver Seat Front Vertical Motor Down |
| M | DK GRN | 286 | Driver Seat Front Vertical Motor Up |
Power Seat Systems Connector End Views - Seat Adjuster Switch - Driver (AG1, A80 and A45)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | LT BLU | 277 | Driver Seat Recline Motor Rearward |
| B | LT GRN | 276 | Driver Seat Recline Motor Forward |
| C | - | - | Not Used |
| D | LT GRN | 1523 | Power Seat Horizontal Rearward Switch Signal |
| E | TAN | 1522 | Power Seat Horizontal Forward Switch Signal |
| F | ORN | 2840 | Battery Positive Voltage |
| G-H | - | - | Not Used |
| J | LT BLU | 1521 | Power Seat Rear Vertical Down Switch Signal |
| K | YEL | 1519 | Power Seat Rear Vertical Up Switch Signal |
| L | DK BLU | 1520 | Power Seat Front Vertical Down Switch Signal |
| M | DK GRN | 1518 | Power Seat Front Vertical Up Switch Signal |
Power Seat Systems Connector End Views - Seat Adjuster Switch - Front Passenger (AG2, w/o A81)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | DK BLU | 298 | Passenger Seat Front Vertical Motor Down |
| B | DK GRN | 297 | Passenger Seat Front Vertical Motor Up |
| C | LT BLU | 289 | Passenger Seat Rear Vertical Motor Down |
| D | YEL | 288 | Passenger Seat Rear Vertical Motor Up |
| E | BLK | 650 | Ground |
| F | LT GRN | 290 | Passenger Seat Horizontal Motor Rearward |
| G | TAN | 296 | Passenger Seat Horizontal Motor Forward |
| H | ORN | 3740 | Battery Positive Voltage |
Power Seat Systems Connector End Views - Seat Adjuster Switch - Front Passenger (AG2, A81)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | ORN | 3740 | Battery Positive Voltage |
| B | LT GRN | 290 | Passenger Seat Horizontal Motor Rearward |
| C | TAN | 296 | Passenger Seat Horizontal Motor Forward |
| D | BLK | 650 | Ground |
| E | DK BLU | 77 | Power Seat Motor Feed - Passenger Recline Aft |
| F | DK GRN | 76 | Passenger Seat Recline Motor Forward |
| G | DK BLU | 298 | Passenger Seat Front Vertical Motor Down |
| H | DK GRN | 297 | Passenger Seat Front Vertical Motor Up |
| J | LT BLU | 289 | Passenger Seat Rear Vertical Motor Down |
| K | YEL | 288 | Passenger Seat Rear Vertical Motor Up |
| L-M | - | - | Not Used |
Power Seat Systems Connector End Views - Seat Front Vertical Motor - Driver
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | DK GRN | 286 | Driver Seat Front Vertical Motor Up |
| B | DK BLU | 287 | Driver Seat Front Vertical Motor Down |
Power Seat Systems Connector End Views - Seat Front Vertical Motor - Front Passenger
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | DK GRN | 297 | Passenger Seat Front Vertical Motor Up |
| B | DK BLU | 298 | Passenger Seat Front Vertical Motor Down |
Power Seat Systems Connector End Views - Seat Front Vertical Position Sensor - Driver w/A45
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | - | - | Not Available |
| B | BLK | 782 | Memory Seat/Mirror Sensor Low Reference |
| C | BRN/WHT | 557 | Front Vertical Seat Motor Position Sensor Signal |
| D | GRY | 788 | 5-Volt Reference |
Power Seat Systems Connector End Views - Seat Lumbar Horizontal Motor - Driver (AL9)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | DK BLU | 611 | Driver Seat Lumbar Motor Forward |
| B | WHT | 610 | Driver Seat Lumbar Motor Rearward |
Power Seat Systems Connector End Views - Seat Horizontal Motor - Front Passenger
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | TAN | 296 | Passenger Seat Horizontal Motor Forward |
| B | LT GRN | 290 | Passenger Seat Horizontal Motor Rearward |
Power Seat Systems Connector End Views - Seat Lumbar Horizontal Position Sensor - Driver (A45 and AL9)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | LT BLU | 782 | Memory Seat/Mirror Sensor Low Reference |
| 2 | - | - | Not Used |
| 3 | RED | 1063 | Driver Seat Lumbar Horizontal Position Sensor Signal |
| 4 | BRN | 788 | 5-Volt Reference |
Power Seat Systems Connector End Views - Seat Lumbar Switch - Driver (A45 and AL9)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | DK BLU | 1064 | Driver Seat Lumbar Rearward Switch Signal |
| B | WHT | 1066 | Driver Seat Lumbar Up Switch Signal |
| C | YEL/BLK | 1067 | Driver Seat Lumbar Down Switch Signal |
| D-E | - | - | Not Used |
| F | YEL | 1065 | Driver Seat Lumbar Forward Switch Signal |
| G | ORN | 2840 | Battery Positive Voltage |
Power Seat Systems Connector End Views - Seat Lumbar Vertical Motor - Driver (AL9)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | PNK | 768 | Driver Seat Lumbar Motor Up |
| B | ORN | 767 | Driver Seat Lumbar Motor Down |
Power Seat Systems Connector End Views - Seat Lumbar Vertical Position Sensor - Driver (A45 and AL9)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | BRN | 788 | 5-Volt Reference |
| 2 | - | - | Not Used |
| 3 | ORN | 1062 | Driver Seat Lumbar Vertical Position Sensor Signal |
| 4 | LT BLU | 782 | Memory Seat/Mirror Sensor Low Reference |
Power Seat Systems Connector End Views - Seat Rear Vertical Motor - Driver
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | LT BLU | 283 | Driver Seat Rear Vertical Motor Down |
| B | YEL | 282 | Driver Seat Rear Vertical Motor Up |
Power Seat Systems Connector End Views - Seat Rear Vertical Motor - Front Passenger
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | LT BLU | 289 | Passenger Seat Rear Vertical Motor Down |
| B | YEL | 288 | Passenger Seat Rear Vertical Motor Up |
Power Seat Systems Connector End Views - Seat Rear Vertical Position Sensor - Driver (W/A45)
| 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 | - | - | Not Available |
| D | GRY | 788 | 5-Volt Reference |
Power Seat Systems Connector End Views - Seat Recline Motor - Driver (A80)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | LT GRN | 276 | Driver Seat Recline Motor Forward |
| B | LT BLU | 277 | Driver Seat Recline Motor Rearward |
Power Seat Systems Connector End Views - Seat Recline Motor - Front Passenger (A81)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | DK BLU | 77 | Passenger Seat Recline Motor Rearward |
| B | DK GRN | 76 | Passenger Seat Recline Motor Forward |
Power Seat Systems Connector End Views - Seat Recline Position Sensor - Driver (A45, A80, A45)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | GRY | 788 | 5-Volt Reference |
| B | WHT/BLK | 570 | Driver Seat Recline Motor Position Sensor Signal |
| C | BLK | 782 | Memory Seat/Mirror Sensor Low Reference |
Power Seat Systems Connector End Views - Seat Recline Switch - Driver (w/A80, w/o AG1)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BLK | 650 | Ground |
| B | LT GRN | 276 | Driver Seat Recline Motor Forward |
| C | BLK | 650 | Ground |
| D | ORN | 3740 | Battery Positive Voltage |
| E | LT BLU | 277 | Driver Seat Recline Motor Rearward |
Power Seat Systems Connector End Views - Seat Recline Switch - Front Passenger (w/A81, w/o AG2)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BLK | 650 | Ground |
| B | DK GRN | 76 | Passenger Seat Recline Motor Forward |
| C | BLK | 650 | Ground |
| D | ORN | 3740 | Battery Positive Voltage |
| E | DK BLU | 77 | Passenger Seat Recline Motor Rearward |
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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.