Gm Si Alternator Wiring

The least expensive upgrade from the 10 dn would be to step up to a 10 si or 12 si. Your powermaster alternator is designed to work as a 1 wire without any connections to the plug in. This diagram shows the simple wiring diagram for negative ground delco si series alternators the ignition switch is most commonly powered from the starter battery stud but source may vary depending on application.
gm si alternator wiring diagram gm si alternator wiring

10si 12si Alternator Upgrade To Cs144 High Output Alternator W

A4e22b 14 Gm Si Alternator Wiring Digital Resources

Gm Alternator Wiring Diagram Internal Regulator

The original 1960s gm alternator employs an external voltage regulator.

Gm si alternator wiring. Alternator is a 55 amp from a 79 monte carlo 305. Most of the connectors for the cs alternators are four wire but will only use two of them and the wiring is the same as the si. The alternator bracket may need to be modified and you will probably need a couple of washers to take up the space between the alternator bracket and the new alternator. All my videos are in 1080p so check that out.

The 10si has three terminals including those with a 1 wire regulator. Wiring an alternator. Or terminal post if your vehicle is so equipped. With key on power is then transferred through the no charge indicator light to the 1 spade on the alternator regulator connection.

Please use this video as a guide on hooking up a 3 wire gm alternator. This diagram shows how to wire a delco gm internally regulated 3 wire alternatorthis particular model 10si used in the 1970s and early 80s is the one youll find on the generation of gm cars most often used in demolition derbies. The other main connection on the alternator is the output terminal that charges the battery. Wiring instructions gm si alternator one wire or oe hookup tech dept.

The large batt terminal which gets connected to your battery positive. This alternator 10 dn uses a flat two prong connection at the back of the alternator. Repair pig tails for this connector available at any autoparts store. And a dual terminal connector.