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Old 02-06-2023, 03:40 PM   #15
7beast
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Join Date: Apr 2014
Location: Houston Texas
Posts: 46
Re: 1990 c3500 coolant temperature sensor wiring question

Very good info! Just exactly what I need to get this thing back on the road.. so the knock sensor wire will have direct continuity to one of the wires going to the esc module correct? Then from there the signal goes from the esc module to ecm terminal b7
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