64-72 charging system wire up using GM 3 wire internally Click to view on Bing13:2564-72 charging system wire up using GM 3 wire internally or run #1 wire with a radio shack rectifier diode $3 at radio shack pointing towards the alt how to rewire alternator wiringAuthor: Chris CraftViews: 1 How to Wire an AC Delco 3 Wire Alternator | It Still Runs 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. This alternator has the advantages of high output, compact design and ease of use. With the proper Wiring a Delco (GM) Alternator Wiring an alternator . This diagram shows how to wire a Delco (GM) internally regulated 3-wire alternator. This particular model (10SI, used in the 1970s and early 80s) is the one you'll find on the generation of GM cars most often used in demolition derbies. ALTERNATOR MODIFICATION SERIES DELCO 21SI & 22SI SINGLE PDF fileLITHO IN USA 180096C 12/05 Page 2 ALTERNATOR MODIFICATION SERIES DELCO 24SI & 22SI WITH 4 PIN PLUG CONNECTOR 6. Install Isolator by following steps 1-9 NovaResource - SI to CS Alternator Conversion SI to CS Alternator Conversion This site is best viewed in Use this diagram and go to Alex Bilan's Alternator Conversion webpage for more information on converting 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. S = a heavy gauge wire to the battery AutoReWire Delco 10 SI Drawings and Notes If you are putting your battery in the trunk, Running a Killer Stereo or using an aftermarket SI alternator putting out more that 100 amps use at least a number 8 AWG wire between the Alternator and the Battery. The above drawing shows the proper wiring of the Delco 10 SI Three Wire Alternator.