one wire altenator

the single wire alternators are notorious about not charging rite on low rpm engines...the 3 wire delco alternator isnt that hard to wire and alot more reliable.
you can get either at napa or any real parts house.
 
Most auto supplies should have brackets listed in accessories section of their electrical parts catalogs. If not look at www.alternatorparts.com they even have conversion kits to build 6V alternator or positive ground one also. For pros & cons of the 1 wire alt vs. 3 wire alt read the tech sections at www.madelectrical.com Mad also sells a handy wiring kit with instructions too. I do most conversions with a simple cheap Delco 10SI or 12SI. Can get those in several amp outputs.
 
i am planning to change to an alternator on my old case 310 crawler.....i am going to use a cs type alternator off a 90 and up gm car....these alternators are used with overdrive transmissions and put out voltage at much lower rpm's than the older si type alternator.....i think this will make it ideal for a tractor john b
 
I've used the CS-130 alternator for two conversions. I get them from the junkyard from a 3.8L V6 Buick or Pontiac. The needed bracketry is similar to the 10SI.

It's a two wire hookup. One heavy lead to the battery or ammeter, one goes to a "charge" indicator lamp. Use a Radio Shack 12VDC Lamp Assembly part # 272-332 to drive the "L" lead on the alternator, connect the other lamp lead to switched power. The charge indicator mounts in a 1/2 inch hole, you don't need to put it in the dash if you have an ammeter, just hide it under the hood somewhere.

These alternators work really well on tractors, forklifts, etc. They start charging at low RPM, and they cost $15 at the U-Pull-It junkyard.
 
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