Im not 100% sure its the esc, But you can take a look at the pic. I cant find out were the brown wire go's to save my life. anyone help me out please. If anyone need more info please ask. I'll gladly tell all i know.
Are you looking for the computer disconnect to set the timing? I have a 95 Gmc Yukon SLT 1500 and this wire is in the passenger compartment taped to the harness right by the blower motor. Hope this is what you were looking for.
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