GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2004
🢒
Envoy - 2WD
🢒
Body
🢒
Wiring Systems
🢒 Front Seat Lumbar Control Switch Replacement
Removal Procedure
Remove the switch bezel assembly from the seat. Refer to
Driver Seat and Passenger Seat Adjuster Switch Bezel Replacement
.
Remove the power seat switch. Refer to
Power Seat Switch Replacement
.
Release the tabs that retain the lumbar switch to the switch bezel assembly.
Disconnect the electrical connector from the lumbar switch.
Remove the lumbar switch from the switch bezel assembly.
Installation Procedure
Connect the electrical connector to the lumbar switch.
Install the lumbar switch to the switch bezel assembly, verifying that the retaining tabs are fully seated.
Install the power seat switch. Refer to
Power Seat Switch Replacement
.
Install the switch bezel assembly to the seat. Refer to
Driver Seat and Passenger Seat Adjuster Switch Bezel Replacement
.