Gm 12si Alternator Wiring Diagram. This alternator 10 dn uses a flat two prong connection at the back of the alternator. This diagram shows how to wire a delco gm internally regulated 3 wire alternator these instructions also apply to the 12si series which is similar but can be.
Someone else services the alternator and sees the wrong wire positions maybe they swap wires and burn up the alternator. So if you want to obtain these collections regarding delco 12si alternator wiring simply click download icon to store these images for your personal pc. Red awg 10 or 12 wire on white molex plug the sense wire checks the voltage output level of the alternator.
It reveals the parts of the circuit as simplified shapes and the power and also signal connections in between the gadgets.
Jump to latest follow 1 14 of 14 posts. The 12si alternator is renown for its reliability and low rpm high current output. If this alternator has a sleeves inserted in the mounting lugs use the existing mounting bolts. If the sensed voltage gets higher than the regulator is adjusted for the regulator causes the alternator to momentarily stop charging until the sensed voltage drops down to a.