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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 223 (Seat System) >> Description and Operation >> Memory Seats Description and Operation >> MSM Power and Ground

MSM Power and Ground

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. 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 memory seat module (MSM) through the battery positive voltage circuit from the PWR SEATS Circuit Breaker located in the instrument panel (I/P) fuse block. This voltage is used to power up MSM and also to apply power to the seat motors when commanded. The PWR SEATS circuit breaker also supplies battery positive voltage to the seat adjuster switch and the memory function switch. The MSM monitors this voltage circuit in order to determine if battery voltage is supplied to the seat adjuster switch. The MSM is grounded through the module ground circuit and G301.

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