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.
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HOMESERVICE MANUALSCHEVROLET1988CAVALIER RS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSELECTRICAL COMPONENT LOCATIONSELECTRICAL COMPONENT LOCATORBUZZERS, RELAYS & TIMERS
1988 Chevrolet Cavalier RS, 4D Sedan, Standard
Buzzers, Relays & Timers
1988 Chevrolet Cavalier RS, 4D Sedan, StandardSECTION Buzzers, Relays & Timers
BUZZERS, RELAYS & TIMERS LOCATION
| Component | Location |
|---|---|
| A/C Cooling Fan Relay | On right inner fender panel. See Figure . |
| A/C Compressor Control Relay | On right front inner fender panel, behind shock tower. See Figure . |
| A/C-Heater Blower Relays | On left side of firewall, on center of plenum. |
| Cooling Fan Relay (2.8L) | On left front fender, in front of shock tower. |
| Cooling Fan Relay (Except 2.8L) | On left side of firewall, near brake booster. |
| Defogger Timer/Relay | Behind dash, above fuse block. |
| Fog Light Relays (Sunbird) | At left front of engine compartment near battery. |
| Fog Light Relays (Except Sunbird) | Taped to dash harness, near fog light switch. |
| Fuel Pump Relay (2.0L & 2.8L) | On left side of firewall. See Figure & 2. |
| Fuel Pump Relay (2.0L Turbo) | Behind right shock tower. |
| Hazard Flasher Relay | On convenience center. |
| High Beam Cut-Out Relay | Behind left side of dash, above fuse block. |
| Horn Relay | On convenience center. |
| Lumbar Control Pump/Motor Relay | Underneath front seat. |
| Mass Airflow Relay (2.8L) | On left side of firewall. See Figure . |
| Power Antenna Relay | Behind dash, below right front speaker. |
| Power Door Lock Relay | Behind dash, above and to right of steering column. |
| Rear Turn Signal Light Relays | At left rear wheelwell. |
| Release Relay | Taped to dash harness, behind radio or glove box. |
| Torque Converter Clutch (TCC) Relay | On transaxle cowling. |
| Turn Signal Flasher Relay | On right side of steering column support. |
RENDER: 1.0x
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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.