How to Replace Side Power Mirror 03-07 Cadillac CTS
Difficulty: Intermediate · About 35 min · Cadillac Cts
Replace the power side mirror on a 2003–2007 Cadillac CTS by removing the door trim, disconnecting the module wiring, and routing the replacement wires correctly.
Tools you will need
- 10mm socket and ratchet
- Phillips screwdriver
- Flat blade screwdriver
- Painter's tape
Parts and supplies
- Power side mirror
Steps
- Remove the door trim
Protect the door finish by wrapping a flat tool with tape before releasing the handle and pull trim. Remove the exposed screws, release the lock pull from its rod, and pull the door panel free.
- Disconnect and remove the mirror
Unplug the two door-module harnesses and free the mirror wiring retainer. Remove the three 10mm mirror nuts while supporting the assembly, then feed its wires through the door opening.
- Install the replacement mirror
Route the new wires through the opening and align the mirror studs. Start and tighten the three nuts, secure the wiring to its retainer, and reconnect both module plugs.
- Reinstall panel and test
Reconnect the door-panel connector and press the panel into place. Refit the lock pull, screws, and trim, then verify mirror adjustment and door lock operation.
Check your vehicle’s repair manual for exact specifications and fit.