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.
1986 Chevrolet Cavalier RS, 2D Hatchback, 2.8 W, AutomaticFACTORY OEM SERVICE PROCEDURE
Miscellaneous Components
MISCELLANEOUS COMPONENTS LOCATION
| Component | Location | |
|---|---|---|
| A/C Compressor Clutch Diode | In A/C compressor connector. See Figure, Figure, Figure & 4. | |
| A/C-Heater Blower Resistors | On right side of firewall, to right of plenum. | |
| ALDL Connector | On right side of fuse block. See Figure. | |
| Battery Junction Block | On left side of firewall. See Figure. | |
| Blocking Diode | In instrument panel harness, near bulkhead connector. | |
| Convenience Center | Behind left side of instrument panel, at kick panel. See Figure. | |
| Cruise Control Servo | On front of left shock tower. | |
| Fuel Pump In-Line Fuse | On left side of firewall. See Figure. | |
| Fuel Pump Prime Connector | ||
| 1.8L & 1.8L Turbo | In wiring harness at left rear of engine, above transaxle. See Figure. | |
| 2.0L & 2.8L | On left side of firewall, by bulkhead connector. | |
| Fuse Block | Under left side of instrument panel. See Figure. | |
| Fusible Links | ||
| A (Red) Light Switch | Near starter solenoid. | |
| B & G (Red) Charging System | Near starter solenoid. | |
| C (Red) Cooling Fan Relays | Near starter solenoid. | |
| D (Red) ECM (2.0L), Cold Start Injector (2.8L) | Near starter solenoid. | |
| E (Green) Engine Comp. Light | Below battery junction block. | |
| F (Orange) ECM (1.8L) | Near starter solenoid. | |
| H (Red) A/C Cut-Out Relay (2.0L) | At starter solenoid. | |
| J & K (Green) Headlight Doors | In wiring harness connector behind left front shock tower. | |
| Mass Airflow In-Line Fuse (2.8L) | On left side of firewall. See Figure. | |
| Power Accessory/Convertible Top Circuit Breaker | On fuse block. | |
| Power Window Circuit Breaker | On fuse block. | |
| Rheostat Power Unit Dimmer | Behind instrument panel left of steering column. See Figure. | |
| Twilight Sentinel Amplifier | Behind instrument panel, to left of steering column. | |
| Twilight Sentinel Photocell | On right side of left defroster vent. | |
| Vehicle Speed Sensor Buffer | Taped to wiring harness behind left of side instrument panel. | |
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.
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