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08-30-2004, 11:46 AM
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#1 |
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Senior Member
 
Join Date: May 2004
Location: Queen Creek, AZ
Posts: 1,007
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Battery Voltage
I know we have gone over this before, but what should the voltage at the battery be while it is running or not running?? I read 12.5 volts running or not. The alternator was reading 12.5 also at the battery terminal. Shouldn't it read 14.5 volts?? Is it different with an external regulator?? It is a 350 with an externally regulated alternator??
Thanks... Chris |
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08-30-2004, 11:56 AM
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#2 |
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Senior Member
Join Date: Jul 2001
Location: Muskegon,MI,USA
Posts: 6,026
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With the engine running you should be getting 14.5 volts at approx. 1200 rpm.
If you don't get 14.5 approximately then your regulator could just need adjusting. I know the internally regulated alternators have some advantages but externaly regulators do work and some of my vehicles still have the external regulator. I can fax you the instructions for adjusting the regulator if you like. Jim |
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08-30-2004, 12:24 PM
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#3 |
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Senior Member
Join Date: May 2004
Location: Queen Creek, AZ
Posts: 1,007
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Pleae fax me the instructions @ 480-715-9009...If it only needs adjusting thats fine, if it needs replacing, then I will swap to an internally regulated alternator. I do believe the alternator is on its way out. I can hear it when the engine is running at idle.
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08-30-2004, 03:24 PM
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#4 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Chances are, the regulator or alt is dead. The regulator is a very cheap part...like 12 bucks or something...but personally, I'd go and spend the 12 bucks at the junk yard for a later internally regulated deal.
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08-30-2004, 07:09 PM
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#5 |
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Senior Member
Join Date: May 2004
Location: Queen Creek, AZ
Posts: 1,007
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Thanks for the answers. I know that there is someone that did this swap by connecting some wires at the plug into the regulator and not using one. Does anybody have that link??
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08-30-2004, 08:13 PM
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#6 |
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Senior Member
Join Date: Jul 2001
Location: Muskegon,MI,USA
Posts: 6,026
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Did you get the faxed instructions on the regulator? My Fax machine indicated that it went through.
Jim |
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08-30-2004, 08:30 PM
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#7 |
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Got Light Emitting Diode?
Join Date: Apr 2004
Location: Newberg, OR
Posts: 2,485
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down at the plug to the regulator i hooked the brown and blue together and left the red and white pluged in. also had to run a bigger wire from the alternator to the battery but i did some rewiring so it might have been because of that.
__________________
1968 1/2 ton 2wd lwb 6 lug disc and bags up front. Next c notch and rear bags '02 Chevy Silverado LT ext cab short bed 2WD 5/7 drop on 22's  (the family car)1993 Cherokee work ride/weekend wheeler |
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08-31-2004, 10:55 AM
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#8 |
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Senior Member
Join Date: May 2004
Location: Queen Creek, AZ
Posts: 1,007
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I did receive the fax. I stopped by Checkers yesterday, they confirmed that there is a problem with the charging system. According to the PO, the alternator has been replaced within the last few years. It may be the regulator. However, I am going to replace both units with an internally regulated unit.
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08-31-2004, 07:41 PM
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#9 |
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Senior Member
Join Date: May 2004
Location: Queen Creek, AZ
Posts: 1,007
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I didn't have time to finish my post earlier. But anyways, thanks for the replys and the fax...
Chris |
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