Chevrolet 22792132 Mirror, Outside Rear View (Reflector Glass & Backing Plate)

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The electric rearview mirrors in vehicles use two motors to adjust the glass. Some vehicles also have memory mirrors that are connected to the power seat memory unit and the Body Control Module (BCM). To troubleshoot any issues with the mirrors, start by operating the mirror control switch through all functions while listening to the sound of the electric motors running. Additionally, check the ground connections and test the wires at the mirror for voltage. If there is no voltage, check the circuit between the mirror and control switch for any opens or shorts. If there is voltage, remove the mirror and test it off the vehicle with jumper wires, making sure to use the correct leads and if the mirror fails this test, it should be replaced.

For installation, simply reverse the removal process.

If there is no voltage at the mirror wires, you should check the ground connections and test the wires at the mirror for voltage.

If the mounting plate has come off the windshield, you can use adhesive kits to resecure it. Follow the instructions included with the kit, making sure to position the flanged part of the mount away from the glass and the narrower part pointing up.