MSM Power and Grounds

WARNING: This page is about a different car, the 2008 Cadillac CTS. 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) from the following circuit breaker and fuse located in the rear fuse block:

MSM/LT FRT PWR SEAT Circuit Breaker: This voltage is used by the MSM to apply power to the driver seat and lumbar motors when commanded.
MSM LOGIC/RF MASSAGE Fuse: This voltage is used to power up MSM.

The MSM is grounded through the module ground circuit and G300.