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.
1985 Toyota Tercel BaseFACTORY OEM SERVICE PROCEDURE
Electrical Component Locator: Relays
RELAYS LOCATION
| Component | Location |
|---|---|
| A/C System Relay | On fuse/relay panel No. 1. See Figure. |
| Cold Mixture Heater Relay | On right shock tower in engine compartment. See Figure. |
| Cooling Fan Relay | On fuse/relay panel No. 1. See Figure. |
| Headlight Control Relay | On fuse/relay panel No. 1. See Figure. |
| Headlight Dimmer Relay | On fuse/relay panel No. 1. |
| Heater Relay | On fuse/relay panel No. 3. See Figure. |
| Ignition Main Relay | On fuse/relay panel No. 1. See Figure. |
| Intermittent Wiper Relay | On top of fuse/relay panel No. 2. See Figure. |
| Main Power Relay | On fuse/relay panel No. 3. See Figure. |
| Rear Window Defogger Relay | On fuse/relay panel No. 3. See Figure. |
| Seat Belt Warning Relay | Under right side of dash. See Figure. |
| Sunroof Relay | On fuse/relay panel No. 3. |
| Taillight Control Relay | On fuse/relay panel No. 2. See Figure. |
| Turn Signal/Hazard Flasher | Behind left side of instrument cluster. 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.