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 MODULEDESCRIPTION AND OPERATIONBODY CONTROL SYSTEM CIRCUIT DESCRIPTIONRETAINED ACCESSORY POWER (RAP)
1998 GMC Envoy 2WD V6-4.3L VIN W
Retained Accessory Power (RAP)
1998 GMC Envoy 2WD V6-4.3L VIN WSECTION Retained Accessory Power (RAP)
The RAP feature allows the following components to be operated after the ignition switch is turned from the RUN position to the LOCK position:
^ The power windows
^ The sunroof
^ The overhead console
^ The entertainment system
The RAP operates if the vehicle battery voltage is above the minimum voltage threshold when the ignition switch is in the OFF position.
The above components will be turned off when either of the following actions occurs:
^ A door is opened.
^ 20 minutes elapses without an ignition switch transition.
Refer to Retained Accessory Power System.
^ The power windows
^ The sunroof
^ The overhead console
^ The entertainment system
The RAP operates if the vehicle battery voltage is above the minimum voltage threshold when the ignition switch is in the OFF position.
The above components will be turned off when either of the following actions occurs:
^ A door is opened.
^ 20 minutes elapses without an ignition switch transition.
Refer to Retained Accessory Power System.
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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.