27si Delco Remy Alternator Wiring Diagram

Retrofitting old stlye delco remy regulator to new style delco remy 50vr regulator.

27si delco remy alternator wiring diagram. 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. Here is the official delco wire diagram for a one wire alt with gauge ground wire from alt to chassis isnt shown my delco books show 21si and 22si are both internal regstwo wire plug from the top is internal reg plug from the back is external reg. Edited july 11 2017 by 41chevy. This will result in pulley and belt misalignment.

This 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. This diagram shows how to wire a delco gm internally regulated 3 wire alternator. Wiring an alternator. Dual internal fan alternators when replacing an external fan alternator with an internal fan alternator do not take the external fan from the original model and apply to the internal fan alternator.

The ac delco 3 wire alternator was used in most general motors products and many types of heavy equipment for a long time which makes it readily available. Replacing delco remy 10si 11si 12si or bosch k1 alternators with 11si alternator. Replacing a 20dn 30dn 41 dn and dc. Replacing a 27si alternator with a 21si alternator.

With the proper brackets this alternator can be adapted to any vehicle or. This alternator has the advantages of high output compact design and ease of use.