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.
1983 Chevrolet Sportvan G10, 5.7 LFACTORY OEM SERVICE PROCEDURE
Electrical Component Locator: Relays
RELAYS LOCATION
| Component | Location |
|---|---|
| A/C Blower Relay | Blower side of blower evaporator case. See Figure. |
| Air Diverter Relay | On firewall. See Figure. |
| Choke Relay | In convenience center under left side of dash. See Figure. |
| Diesel Wiring Relay | On left inner frame rail near battery. See Figure. |
| Glow Plug Relay | Left inner fender panel. |
| Hazard Flasher | In convenience center under left side of dash. See Figure. |
| Headlight Warning Buzzer | In convenience center under left side of dash. See Figure. |
| Horn Relay | In convenience center under left side of dash. See Figure. |
| Seat Belt Warning Buzzer | In convenience center under left side of dash. See Figure. |
| Turn Signal Flasher | In convenience center under left side of dash. 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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