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Wiring color code and length based on 87 442 stock harness.
If you have a CCC G-body car, you have this. From what I understand, it takes a 5V signal....
it was written with an eye towards trucks by GMC for its technicians
Vacuum lines and wiring harness routing for most G-Bodies.
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G-Body RPO Codes 2020-09-30
Info on decoding build sheets / RPO Stickers / etc.
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1,062
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Info on GM's CCC system, probably valid for all G-Body years
G-Body hardware: Bolts, nuts, clips, fasteners, brackets, etc.

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