Re: 350 alternator

Posted by Bob M on April 26, 2002 at 19:32:05 from (66.66.72.246):

In Reply to: 350 alternator posted by Kirk on April 26, 2002 at 16:25:10:

The 10 ga wire goes to the BAT stud on the back of the alternator.

To figure out the two auxiliary wires you'll need a voltmeter or a test light. With the ignition switch OFF, take a voltage reading from each wire to a good ground. The wire that shows no voltage goes to the #1 terminal. The other (which should show 12 volts) get hooked to the #2 terminal.

To test the alternator on the tractor, all the wiring must be correctly hooked up. You can then bypass the internal regulator and drive the alternator to full output as follows: Look on the back side of the alternator for a small (3/8" or so dia) hole in the back. About 1/4" inside this hole there should be a small metal tab (the test tab). With the motor running at about 1/2 throttle, carefully stick a small screwdriver into the hole until it touches the metal tab. Then with the tip of the screwdriver still touching the tab, angle the screwdriver so the edge of the blade touches the side of the hole. If the alternator is good you should see a large (20 - 30 amps or more) charge on the ammeter with the test tab grounded. Of if you connect a voltmeter across the battery terminals it should show close to 15 volts if the alternator is good.

Follow Ups:

• Re: Re: 350 alternator Mr. J 20:56:43 04/26/02 (1)
  • Re: Re: Re: 350 alternator Bob M 06:34:21 04/27/02 (0)

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