Automobile(s): 2002.5 F55 STS, 2014 Explorer XLT 4WD
MD Eastern Shore
Re: Onstar wiring
Originally Posted by 89Eldo
anyone have Onstar wiring schematics for anything 2002+??
OnStar, particularly the 2002+ digital upgrade package, piggybacks with other functions as well as dedicated harnesses. Everything from the steering wheel, mirror, HU, dash speaker, rear electronics bay in the trunk.