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Need help with black box behind glove box
Hey y’all I’m trying to figure out the wiring harness on my 97 Cheyenne. It had a 4.3l in it and currently swapping it out. I’m trying to figure out what the black box with a chip inside it is that passes through the passenger side firewall on the main wiring harness.. can someone help me out here?- Cheymann
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- Forum: Wiring Diagrams
