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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 651 (Power Seat System) >> Description and Operation >> Lumbar Support Description and Operation (with A45, Memory Seat) >> Lumbar Switch

Lumbar Switch

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora and 2001 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

Battery positive voltage is supplied at all times to the lumbar switch from the MEM Fuse located in the rear fuse block. When the lumbar switches are pressed they send a 12 V signal to the MSM. The MSM commands the lumbar motors to move in response to the switch signals.