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 DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - POWERTRAIN MANAGEMENTRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSBODY CONTROL MODULETESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESSCAN TOOL DATA DEFINITIONSINPUT 2DOME OVERRIDE SWITCH
1998 GMC Envoy 2WD V6-4.3L VIN W
Dome Override Switch
1998 GMC Envoy 2WD V6-4.3L VIN WSECTION Dome Override Switch
Input 2:
Range: ON/ OFF
The BCM uses the dome override switch input from the dome override switch in order to allow or to defeat the interior lighting when the door opens. The dome override switch is located near the headlamp switch.
ON displays if the dome override switch is overriding the interior lighting.
OFF displays if the dome override switch allows the interior lights to turn ON when any door opens or if the rear glass opens (if equipped).
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.