GM Service Manual Online
For 1990-2009 cars only

OnStar Schematics


Object Number: 1798789  Size: FS
Master Electrical Component List
OnStar Description and Operation
Control Module References
PWR SEAT Circuit Breaker, LH HDLP, RH HDLP, BRAKE, PREM AUD, BATT FEED, and HTD SEATS Fuses
RADIO, LOCK/MIRROR, BCM/CLUSTER, INT LTS, PARK, and HZRD Fuses
Entertainment/Communication Schematic Icons
L66 with 5AT
L61 with MG3
G201
G401 and G403