Wiring diagram for 1999 obs with factory police wiring.

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Diamondwulf

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I know all the rpo codes I am looking for wiring diagrams for the flashers and other police packagewiring.
 

SunlitComet

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oh thought you said you could not track some rpo's down.

upfitter power starts on p.8 in attached pdf.
 

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  • gmt400 1998 power distribution schematics.pdf
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Diamondwulf

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Thank you SLC, I really appreciate the info. It will help me with a few things that I plan to add to the Tahoe; mainly some driving/off road lights, and additional reverse lights.
 

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