GM Service Manual Online
For 1990-2009 cars only

Object Number: 690535  Size: FS
Master Electrical Component List original
Horns System Description and Operation
Battery, MaxiFuses, Fusible Link, CRANK, FOG, A/C CLU, R/CMPT, R/PMP, HORN, and IGN Main Relays
Ground G200
Grounds G100, G101, G110