Alternator wiring question...
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Elder User
Joined: Aug 2011
Posts: 649
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From: Tucson, AZ
Alternator wiring question...
Hey guys,
I have a one-wire alternator. Clearance is a little tight between the wiring stud on the back of alternator and the front of the engine block. Today I noticed a tab on the TOP of my alternator, just above and slightly forward of the wiring stud. See pics below. Could that tab be an alternate place to connect the wire to the alternator? Or am I off the mark there? Sure would make it more convenient. Any ideas? Thx, Tyler
I have a one-wire alternator. Clearance is a little tight between the wiring stud on the back of alternator and the front of the engine block. Today I noticed a tab on the TOP of my alternator, just above and slightly forward of the wiring stud. See pics below. Could that tab be an alternate place to connect the wire to the alternator? Or am I off the mark there? Sure would make it more convenient. Any ideas? Thx, Tyler
Senior User
Joined: Mar 2014
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From: Nelsonville, Ohio
Just a guess,,, but I would say no,,,I don't see the required insulation, and it looks like the bolt passes through to connect the two halves. Grab the voltmeter start it up and you will quickly know for sure.
.....Roger
.....Roger
Senior User
Joined: May 2013
Posts: 119
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no i don't think so either
i've had one wire alt's and there was no other way to get the power out but one. if you want fire it up and test for voltage. there are two mounting points and one voltage point, so i don't know what that point in the pic is...
don't forget.. ALL electronic stuff contains smoke. it's your job to keep it inside and not let it out..
don't forget.. ALL electronic stuff contains smoke. it's your job to keep it inside and not let it out..
Senior User
Joined: Jun 2003
Posts: 177
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From: Elgin TX
If space is tight, reclock the rear of the alt. You remove the pulley and the housing bolts, place the alt on its back while keeping the main shaft pressed down separate the top of the housing and rotate the top half. Line up the bolt holes and reassemble.
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Elder User
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From: Tucson, AZ
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From: Rimrock AZ
That tab is a grounding lug. Lots of guys don't ground their alternator and just use the mounting bolts.... however you should. Many alternators have a clear coating that prevents a good ground. Since you have the tab run a short 10 gauge wire from the tab to the block and you will always have a good ground.
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