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 MANUALSCHEVROLET1996CHEVY EXPRESS G3500, VAN PASSENGER EXTENDED, 4.3 WREPAIR AND DIAGNOSIS (SINGLE PAGE)ELECTRICALGAUGESINSTRUMENT PANEL - 6.5L DIESELTESTINGCOOLANT LEVEL INDICATORINDICATOR INOPERATIVE (VAN)
1996 Chevrolet Chevy Express G3500, Van Passenger Extended, 4.3 W
Indicator Inoperative (Van)
1996 Chevrolet Chevy Express G3500, Van Passenger Extended, 4.3 WSECTION Indicator Inoperative (Van)
- Disconnect coolant level sensor connector. Turn ignition on. Connect test light between engine coolant level indicator module connector terminal "A" (Pink wire) and ground. If test light comes on, go to next step. If test light does not light, repair open circuit in Pink wire.
- Connect self-powered test light between engine coolant level indicator module connector terminal "C" (Black wire) and ground. If test light comes on, go to next step. If test light does not light, repair open circuit in Black wire.
- Connect fused jumper wire between engine coolant level indicator module connector terminal "E" (Yellow/Black wire) and ground. If low coolant indicator comes on, go to step 5). If low coolant indicator does not come on, go to next step.
- Disconnect instrument cluster connector. Connect a self-powered test light between instrument cluster connector terminal A5 (Yellow/Black wire) and engine coolant level indicator module connector terminal "E" (Yellow/Black wire). If test light comes on, replace instrument cluster. If test light does not come on, repair open circuit in Yellow/Black wire.
- Ensure radiator is full. Connect an ohmmeter between engine coolant level indicator module connector terminal "F" (Light Green wire) and ground. If resistance is less than 5 k/ohms, go to next step. If resistance is 10-50 k/ohms or more, replace engine coolant level indicator module.
- Disconnect low engine coolant level indicator sensor connector. Connect self-powered test light between low engine coolant level indicator sensor connector terminal "A" (Light Green wire) and ground. If test light comes on, repair short to ground in Light Green wire. If test light does not come on, replace low engine coolant level indicator sensor.
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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.