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 SYSTEMSRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSBODY CONTROL MODULETESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESSCAN TOOL DATA DEFINITIONSINPUT 2DIM POT INPUT
1998 GMC Envoy 2WD V6-4.3L VIN W
Dim Pot Input
1998 GMC Envoy 2WD V6-4.3L VIN WSECTION Dim Pot Input
Input 2:
Range: ACTIVE/ INACTIVE
The BCM uses the dim pot input in order to determine the position of the dome lamp switch (thumb wheel) when the park lamps are ON.
ACTIVE displays when the dome lamp switch is not in the FULL DOWN position and the park lamps are ON.
INACTIVE displays when you turn the dome lamp switch to the FULL DOWN position (dash lights OFF) and the park lamps are ON.
The headlamp reminder chime does not sound under the following conditions:
1. The dome lamp switch (thumbwheel) is in the FULL DOWN position (MAX DIM).
2. You turn the park lamps ON manually.
3. You remove the ignition key.
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.