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 MANAGEMENTRELAYS AND MODULES - POWERTRAIN MANAGEMENTRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSBODY CONTROL MODULETESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESSCAN TOOL DATA DEFINITIONSOUTPUTSINADVERTENT POWER RELAY
1998 GMC Envoy 2WD V6-4.3L VIN W
Inadvertent Power Relay
1998 GMC Envoy 2WD V6-4.3L VIN WSECTION Inadvertent Power Relay
Outputs:
Range: ON/ OFF
The inadvertent power relay output refers to the commanded state of the inadvertent power relay coil.
ON displays when the BCM commands the inadvertent power relay coil to energize. The command allows the relay to power up the following components:
^ The courtesy lamp relay
^ The vanity lamps
^ The overhead reading lamps
^ The underhood lamps
^ The glove box lamp
OFF displays when the BCM does not command the inadvertent power relay coil to turn ON. The inadvertent power relay coil then does not allow current to the following components:
^ The courtesy lamp relay
^ The vanity lamps
^ The overhead reading lamps
^ The underhood lamp
^ The glove box lamp
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.