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.
2004 Chevrolet SSRFACTORY OEM SERVICE PROCEDURE
Electrical Component Locator: Connectors
CONNECTORS LOCATION
| Component | Location |
|---|---|
| C100 (Black, 38 Pin) | Engine harness to I/P harness, left rear side of engine compartment. See Figure . |
| C103 (Black, 10 Pin) | I/P harness to front lamp harness, left front of vehicle. See Figure . |
| C104 (Black, 16 Pin) | Front fascia harness to front lamp harness, left side rear of engine. See Figure . |
| C105 (Black, 38 Pin) | Chassis harness to I/P harness, left side of engine compartment. See Figure . |
| C108 (Light Gray, 7 Pin) | Coils harness to engine harness, on top of right bank valve cover. See Figure . |
| C109 (Light Gray, 7 Pin) | Coils harness to engine harness, on top of left bank valve cover. See Figure . |
| C115 (Black, 2 Pin) | Engine harness to knock sensor, top center rear of engine. See Figure . |
| C175 (Gray, 20 Pin) | Engine harness to A/T harness, right side of transmission. See Figure . |
| C200 (Yellow, 4 Pin) | Body harness to I/P harness, near rear fuse block. See Figure . |
| C201 (Black/Gray, 48 Pin) | Steering column harness to I/P harness, base of steering column. See Figure . |
| C202 (Black, 30 Pin) | I/P harness to body harness, near rear fuse block. See Figure . |
| C204 (Black, 30 Pin) | I/P harness to body harness, near rear fuse block. See Figure . |
| C205 (Black, 2 Pin) | I/P harness to cigar lighter, center of dash. See Figure . |
| C300 (Black, 16 Pin) | I/P harness to driver seat harness, under driver seat. See Figure . |
| C303 (Gray, 18 Pin) | Body harness to header harness, right kick panel. See Figure . |
| C304 (Black, 2 Pin) | Header harness to PSIR jumper harness, in right front side header. See Figure . |
| C306 (Black, 16 Pin) | Body harness to passenger seat, under passenger seat. See Figure . |
| C308 (Black, 4 Pin) | Body harness to roof harness, under right rear speaker. See Figure . |
| C309 (Gray, 6 Pin) | Body harness to roof harness, under right rear speaker. See Figure . |
| C310 (4 Pin) | Retractable roof harness to roof pump harness, near pump valve manifold. |
| C311 (Black, 10 Pin) | Body harness to seat harness, lower front of driver's seat. |
| C312 (Black, 16 Pin) | Seat harness to seat back harness, under driver's seat. |
| C313 (Black, 2 Pin) | Driver seat harness to seat motor harness, under driver seat. See Figure . |
| C314 (Black, 2 Pin) | Passenger seat harness to seat motor harness, under passenger seat. See Figure . |
| C400 (White, 2 Pin) | Chassis harness to rear fascia harness, on left rear of vehicle. See Figure . |
| C401 (Black, 6 Pin) | Chassis harness to tailgate harness, left rear of vehicle. See Figure . |
| C402 (Black, 2 Pin) | Chassis harness to auxiliary power outlet harness, right rear of vehicle. See Figure . |
| C404 (Black, 4 Pin) | Chassis harness to bed cover harness, left rear of vehicle. See Figure . |
| C500 (Black, 18 Pin) | I/P harness to driver door harness, left kick panel. See Figure . |
| C501 (Blue, 10 Pin) | I/P harness to driver door harness, left kick panel. See Figure . |
| C600 (Black, 18 Pin) | Body harness to passenger door harness, right kick panel. See Figure . |
| C601 (Blue, 10 Pin) | Body harness to passenger door harness, right kick panel. See Figure . |
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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