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.
2008 Jeep Commander Base, 3.7 K, RWDFACTORY OEM SERVICE PROCEDURE
Inline Connector End View (C316 )
C316 - WHITE 18-WAYFEMALE
| CAV | CIRCUIT | FUNCTION |
| 1 | - | - |
| 2 | D55 20WT/OR | CAN B BUS (+) |
| 3 | D54 20WT | CAN B BUS (-) |
| 4 | - | - |
| 5 | Z927 16BK | GROUND |
| 6 | Q305 20OR | DRIVER WINDOW HALL SENSOR SUPPLY |
| 7 | Q412 16OR/LB | MASTER WINDOW SWITCH RIGHT REAR (UP) |
| 8 | Q15 20OR/LB | WINDOW LOCK OUT SWITCH OUTPUT |
| 9 | Q611 16OR/GY | MASTER WINDOW SWITCH LEFT REAR (DOWN) |
| 10 | G74 20VT/WT | RIGHT FRONT DOOR AJAR SWITCH SENSE |
| 10 | G75 20VT | LEFT FRONT DOOR AJAR SWITCH SENSE |
| 11 | A929 16RD/LG | FUSED RUN/ACCESSORY DELAY RELAY OUTPUT |
| 12 | - | - |
| 13 | Z911 16BK | GROUND |
| 14 | A931 20RD/WT | FUSED B(+) |
| 15 | A929 16RD/DB | FUSED RUN/ACCESSORY DELAY RELAY OUTPUT |
| 16 | Q321 16OR/DB | DRIVER WINDOW EXPRESS DOWN DRIVER |
| 17 | Q991 20BK/OR | DRIVER WINDOW HALL SENSOR RETURN |
| 18 | Q311 16OR/LB | DRIVER WINDOW EXPRESS UP DRIVER |
C316 - 18-WAYMALE
| CAV | CIRCUIT | FUNCTION |
| 1 | - | - |
| 2 | D55 20WT/OR | CAN B BUS (+) |
| 3 | D54 20WT | CAN B BUS (-) |
| 4 | - | - |
| 5 | - | - |
| 6 | Q305 20OR | DRIVER WINDOW HALL SENSOR SUPPLY |
| 7 | Q412 16OR/LB | MASTER WINDOW SWITCH RIGHT REAR (UP) |
| 8 | Q15 16OR/LB | WINDOW LOCK OUT SWITCH OUTPUT |
| 9 | Q611 16OR/GY | MASTER WINDOW SWITCH LEFT REAR (DOWN) |
| 10 | - | - |
| 11 | A929 16RD/DB | FUSED RUN/ACCESSORY DELAY RELAY OUTPUT |
| 12 | - | - |
| 13 | Z911 16BK | GROUND |
| 14 | A931 20RD/WT | FUSED B(+) |
| 15 | A929 16RD/DB | FUSED RUN/ACCESSORY DELAY RELAY OUTPUT |
| 16 | Q321 16OR/DB | DRIVER WINDOW EXPRESS DOWN DRIVER |
| 17 | Z405 20BK/OR | GROUND |
| 18 | Q311 16OR/LB | DRIVER WINDOW EXPRESS UP DRIVER |
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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