GM Service Manual Online
For 1990-2009 cars only

Defogger Schematics w/C67


Object Number: 672556  Size: FS
Master Electrical Component List
Battery Voltage to the Rear Fuse Block
Ignition Switch RUN and START/RUN Positions
Class 2 Serial Data

Defogger Schematics w/CJ2


Object Number: 672551  Size: FS
Master Electrical Component List
Battery Voltage to the Rear Fuse Block
Ignition Switch RUN and START/RUN Positions
Class 2 Serial Data