Gm optispark wiring diagram
Programming procedure: Turn ignition switch to OFF position. Remove RADIO fuse 17 from fuse block. Cycle ignition switch from OFF to RUN three times within five seconds until the door locks and the
hatch release cycle, indicating the Body Control Module is in the Programming Mode. Why the LT1. If you haven’t asked that question yet of why the LT1, it’s bound to come up as you read this article. For starters, I like the way the LT1 looks.