Do you know which one of these your vehicle is equiped with ? Do you know where the vehicle RPO code sticker is ?
Power Windows Description and Operation (RPO AXC/AXE)
Power Windows Description and Operation (W/O AXC/AXE)
Power Window System Controls
The power window system will operate anytime the retained accessory power (RAP) system is active or when the ignition switch is in the ACCY or ON position.
The driver and passenger door lock and side window switches are integrated control module switch assemblies. The DDS and PDS switches are normally open, 3 position rocker type switches, with detents for up, down, and express down. The DDS rear passenger window switches are normally open, 2 position rocker type switches, with detents for up and down. The DDS rear window lockout switch is a push button type switch that provides an active signal to the DDS whenever pressed. Whenever the rear window lockout switch is pressed the DDS will activate or deactivate the rear window lockout function depending on the current state and illuminate the switch indicator whenever the function is active.
The PDS contains a single power window switch that is an integral component. Closing of this normally open, rocker switch provides the PDS with a request for the front passenger power window operation. The switch for the front passenger window has 3 positions UP, Down and Express Down. Each of these switch positions is a direct input to the PDS.
The rear passenger door power window switches are normally open, 2 position rocker type switches, with detents for up and down.
Do you know what DTC'S - diagnostic trouble codes are ?
DTC B3822 00: Right Rear Window Up Control Circuit
Circuit/System Description
The body control module (BCM) monitors the window UP/DOWN command from the driver door module(DDM). When the rear window UP or DOWN command is received, the BCM sends a signal to the appropriate rear window switch. The rear window switches continuously monitor the up and down signal circuits, if no function is being commanded, the signal voltage is at approximately B+ voltage. If the UP or DOWN function is commanded, the BCM signal voltage drops approximately 0.5 volts and the appropriate rear window switch will then command the window in the UP or DOWN direction.
How to test computer controlled door locks Subaru same concept for your vehicle .
GM factory test procedure
Circuit/System Testing
Ignition OFF, disconnect the harness connector at the appropriate rear window switch.
Ignition ON, test for greater than 9 volts between the signal circuit terminal A and ground while commanding the rear window UP with a scan tool.
? If less than the specified range, test the signal circuit for a short to ground or open/high resistance. If the circuit tests normal, replace the BCM.
Test for greater than 9 volts between the signal circuit terminal C and ground while commanding the rear window DOWN with a scan tool.
? If less than the specified range, test the signal circuit for a short to ground or open/high resistance. If the circuit tests normal, replace the BCM.
If all circuits test normal, replace the rear window switch.
Your best bet maybe to take it to a qualified repair shop
SOURCE: How do I replace a lowbeam headlight bulb on a 2008 GMC Acadia
You will have to go through your mud guards. Remove your tire, and look inside your wheel well, you will see two part mud guard, front half and back half. Just remove the 7 screws from the front half, 5 on the wheel well itself, and two on the bottom, retaining screw to the bumper, now depending on which side you're looking at anywhere from 5-7 plastic pop-its. Use a flat tip screw driver to loosen the pins up, then remove the pop-it studs. There are two on the bottom front that connect to the vehicle frame. Once this is removed, you can access your headlight assemby to replace both bulbs. Note, you will have to do this to replace your fog light bulb should it go out as well.
SOURCE: 2008 gmc acadia low beam light bulb changing
how do you change the low beam light bulb on the 2008 gmc acadia
SOURCE: How do you change the halogen bulb in the
under the hood there will be a large, plastic weather cover to unscew by hand, remove the 3 pin connecting plug, there will be a spring loaded clip holding in the globe, depress the looped end and divert it over to one side thsi will release the globe, assembly is in reverse, be careful as not to touch the end og the globe, as the oil on your fingers are detremental to its operation. No special tools required to do this. Good luck
SOURCE: how to change your headlamp in a 2008 gmc acadia
Open the hood and look in the area behind the headlight itself. You will see the wires running in to the light through a collar. Turn the collar counter clockwise and remove the assembly. Remove the bulb and plug in the new bulb and reverse the process to replace.
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Safety reminders: Use only fuses of the same specifications. A higher fuse rating replacement can heat the wirings and could cause fire.
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