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Thread Tools | Display Modes |
12-07-2004, 12:02 AM
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#1 |
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Registered User
Join Date: Nov 2004
Location: Memphis, TN
Posts: 12
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Help!! My alternator is killing my battery.
i have installed a 120 amp high output alternator on my 74 chevy truck. now my battery is being drained by the alternator when the truck is not running. otherwise it charges fine. I ran the red wires on the alt plug back to the battery wire like someone told me. i suspect that is the problem. if i unplug the alt it does not kill the battery.
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12-07-2004, 12:50 AM
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#2 |
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BAD BOW-Silverado XST
Join Date: May 2000
Location: Senior Member from Austin, TX
Posts: 6,431
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Here is wiring diagram for a internal regulated alternator.
http://www.rowand.net/Shop/images/al...o1985Buick.jpg |
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12-07-2004, 12:56 AM
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#3 |
Join Date: Jan 2003
Location: Modesto, CA
Posts: 1,321
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I GURANTEE you have your wires crossed on the voltage regulator. I had the SAME problem a few weeks back. Swap the wires on the voltage regulator and you'll be good to go. I think it's 12v+ constant at A and 12v+ switched at B.
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12-07-2004, 08:44 AM
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#4 |
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Registered User
Join Date: Jan 2003
Location: Washington State
Posts: 8,834
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This might solve my problem too....been running the wrong direction I think...
Thanks guys....check it out tomorrow
__________________
1970 Chev CST 2003 Harley Fatboy 1975 Chevrolet Step Van 1956 Chev Bel Air 1977 Blazer 2WD For Sale $3000.00 1978 Blazer 2WD For Sale $7000.00 1978 Silverado 2005 Monte Carlo |
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12-07-2004, 04:11 PM
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#5 |
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Got Mud?
Join Date: Sep 2003
Posts: 361
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Yea myne to, but what is the voltage reugulator and were is it located?
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Dan Got mud? Last edited by 1980chevy4x4; 12-07-2004 at 05:15 PM. |
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12-07-2004, 09:56 PM
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#6 |
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Got Mud?
Join Date: Sep 2003
Posts: 361
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T T T
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Dan Got mud? |
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12-07-2004, 10:41 PM
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#7 |
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BAD BOW-Silverado XST
Join Date: May 2000
Location: Senior Member from Austin, TX
Posts: 6,431
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The voltage regulator is inside the alternator. It is directly under the #1 and #2 location. Look through the slots and you'll see it. The part regulates the voltage out of the alternator. If it did not the volts would go through the roof at high RPMs. Drop like a rock at idle.
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12-08-2004, 09:22 PM
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#8 |
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Got Mud?
Join Date: Sep 2003
Posts: 361
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What is the #1 and #2 location?
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Dan Got mud? |
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12-08-2004, 09:29 PM
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#9 | |
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Join Date: Jan 2003
Location: Modesto, CA
Posts: 1,321
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Quote:
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