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.
1995 Buick Roadmaster BaseFACTORY OEM SERVICE PROCEDURE
Electrical Component Locator: Miscellaneous
MISCELLANEOUS LOCATION
| Component | Location |
|---|---|
| Blower Motor Resistor | Behind right side of dash, near blower motor. |
| Crankcase Ventilation Valve | At left side of engine. See Figure. |
| Data Link Connector (DLC) | Under dash, to right of steering column. See Figure. |
| Diode (A/C Compressor Clutch) | Taped inside compressor clutch harness connector. |
| Diode (Circuit Isolation) | On turn/hazard switch harness connector breakout branch. |
| Diode (Door Open Warning - SE Models) | Taped 1" from instrument cluster connector breakout branch. |
| Diode (DRL Dropping Diode) | Attached to brake pedal bracket. |
| Interior Lights | Taped 1" from instrument cluster connector breakout branch. |
| Fuel Injectors | At intake manifold. See Figure. |
| Fuel Pump Test Connector | Near A/C accumulator. |
| Ignition Test Connector | On top right side of engine, near rocker cover. See Figure. |
| Malfunction Indicator Light (MIL) | At left side of dash. See Figure. |
| PCM Ground | At left front side of engine. See Figure. |
| Primary Cooling Fan | At right front side of engine compartment. See Figure. |
| Remote Control Door Lock Receiver | Mounted under center of rear shelf. |
| Secondary Cooling Fan | At left front side of engine compartment. See Figure. |
| SIR System Components | At front & rear of engine compartment, & left side of dash. See Figure. |
| Transmission Electrical Connector | At right rear side of engine. See Figure. |
Factory Service Tools
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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.