E67 Wiring Diagram. The low speed and high speed fan connection to the ecm should handle all the engine cooling requirements with the low speed also handling the ac requirements triggered thru the trinary switch. A 035 ye 492 mass air flow maf sensor signal.
Seems pretty easy to forgo spending 100 on a reverse lockout. Then select button 16. E67 pinouts hp tuners.
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The low speed and high speed fan connection to the ecm should handle all the engine cooling requirements with the low speed also handling the ac requirements triggered thru the trinary switch. Arrangements of pins and sockets viewed from the mating side opposite the wiring side figure 1. A current of at least. When tried to start the truck it didnt started and showed starter relay circuit code i double checked and everything was ok then i went to mitchel online and got some 2009 trailblazer ss diagrams and it does have.