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 MANUALSCHEVROLET1992PICKUP C2500, 2D PICKUP, 6.5 F, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - SYSTEM/COMPONENT TESTSFUEL SYSTEM (DIESEL)DIESEL COLD ADVANCE SYSTEM CHECKCOLD ADVANCE RELAY
1992 Chevrolet Pickup C2500, 2D Pickup, 6.5 F, Standard
Cold Advance Relay
1992 Chevrolet Pickup C2500, 2D Pickup, 6.5 F, StandardSECTION Cold Advance Relay
- Disconnect harness connector to cold advance relay. Using an ohmmeter, check resistance between relay terminals "D" and "F". See Fig 1. Continuity should be present or a resistance of 20 ohms. If not, replace cold advance relay.
- Using an ohmmeter, check continuity between relay terminals "A" and "E". Continuity should not be present. If continuity is present, replace grounded cold advance relay.
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.