How To Replace Master Power Window Switch 10-17 GMC Terrain
Difficulty: Intermediate · About 35 min · Gmc Terrain
Replace the master power window switch on a 2010–2017 GMC Terrain by removing the driver door panel, transferring the switch, and reconnecting its wiring.
Tools you will need
- Pick tool
- Flat blade screwdriver
- 7mm socket and ratchet
- 8mm socket and ratchet
Parts and supplies
- Master power window switch
Steps
- Remove door trim and panel
Use a pick tool to remove the access covers and the exposed 7mm and 8mm fasteners. Release the door panel clips, lift the panel away, disconnect the latch cable, and unplug the switch harnesses.
- Remove the old master switch
From behind the panel, disconnect the switch wiring beneath the sound-deadening material. Release the switch from the door-pull panel with a flat blade tool and remove it without damaging its tabs.
- Install the replacement switch
Press the new switch into the panel until it locks in place. Reconnect the wiring behind the sound-deadening material and confirm the connector is fully seated.
- Reassemble and test windows
Reconnect the door handle cable and switch harnesses, then align the panel and press its clips into the door. Reinstall the fasteners and access covers, then test each window control.
Check your vehicle’s repair manual for exact specifications and fit.