Buy OEM GENERAL MOTORS Part # 12377283. Seat Lumbar Switch. BENCH SEAT, W/SPLIT BACK REST, lumbar control. SPLIT BENCH SEAT 60/40, PASSENGER SIDE, lumbar. Power Lumbar Switch -

Switch. Lumbar. Seat.
Switch used for the adjustment of the Seat Lumbar. adjuster. Knob.

Seat Lumbar Switch

BENCH SEAT, W/SPLIT BACK REST, lumbar control. SPLIT BENCH SEAT 60/40, PASSENGER SIDE, lumbar.
Power Lumbar Switch - Repair or Replace
If your power lumbar doesn't move, your power lumbar switch may be the culprit. Have a technician inspect your to see if your the switch needs to be replaced.