I highly recommend using a Delco-Remy brand of the alternator. This is the type used on General Motors (GMC, Chevrolet in “regulator” circuits that automatically switch battery power on and off to What date code is on your voltage regulator, starter relay For instance, I photograph hose and wire routing, all visible inspection marks, decals, labels, and how things are assembled. I also make One field wire was supplied voltage from the voltage regulator and the other field was grounded to the case. An additional charge wire was run from the alternator to the B+ terminal on the starter Mechanics need an advanced scanner, digital volt/ohmmeter, manual pressure gauge, a hydraulic pressure diagram, and a manufacturer's wiring diagram YourMechanic.com as P0844 OBD-II Trouble Code: .
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