GM Service Manual Online
For 1990-2009 cars only

Object Number: 880493  Size: FS
Master Electrical Component List
Rear Window Defogger Description and Operation
IGN 1 Relay Bus, SEO 2, RR DEFOG, SEO IGN, B/U LP
IGN 1 Relay Bus, SEO 2, RR DEFOG, SEO IGN, B/U LP
SP205 - 2 of 2
G306, G390