GM Service Manual Online
For 1990-2009 cars only

Rear Window Defogger Controls

Rear Window Defogger Controls


Object Number: 1608444  Size: FS
Master Electrical Component List
Rear Window Defogger Description and Operation
Control Module References
Defogger Grid and Ground
BTSI, B/U LP, O2A, O2B, SEO IGN, TBC IGN 1, and RL B/U Fuses
Ignition Switch - ACCY/RUN, and RUN/START Busses, and IGN B Fuses
B+ Bus - 1 of 2
Power, Ground, DLC and Splice Pack SP205
Defogger Grid and Ground