o2 wiring help
10-16-2010, 03:32 PM
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o2 wiring help Ok i have searched but can't find what I need On my 03 avalanche wiring harness there is two sets of connectors I know one set is before and one set after which ones are which one set has a green wire and one set doesn't I need the before ones as I have had the after ones deleted from the pcm.
