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 MANUALSGMC1998ENVOY 2WD V6-4.3L VIN WREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSBODY CONTROL MODULETESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESSCAN TOOL DATA DEFINITIONSOUTPUTSREAR FOG LAMP RELAY (EXPORT ONLY)
1998 GMC Envoy 2WD V6-4.3L VIN W
Rear Fog Lamp Relay (Export Only)
1998 GMC Envoy 2WD V6-4.3L VIN WSECTION Rear Fog Lamp Relay (Export Only)
Outputs:
Range: ON/ OFF
The rear fog lamp relay (export only) output refers to the commanded state of the rear fog lamp relay coil.
ON displays when the BCM commands the rear fog lamp relay coil to turn ON the relay, in order to power up the rear fog lamps.
OFF displays when the BCM does not command the rear fog lamp relay coil to turn ON. This denies current to the rear fog lamps and causes the rear fog lamps to be kept OFF.
RENDER: 1.0x
NO RELATED
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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.