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Old 06-16-2013, 11:18 AM   #1
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What is this?

I think it's a voltage regulator. It seems like my voltage regulator isn't working and over charging my battery. I'm 900 miles from home and looking for at least quick fix to get me through the week.
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Old 06-16-2013, 11:30 AM   #2
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Look the part number up on NAPA's website. It will also tell you if a store near by has it in stock.
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Old 06-16-2013, 11:36 AM   #3
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I suggest you list make and model of your vehicle in your signature. Seems like easiest solution would be to go to a NAPA store and ask them. Either remove part (labeling wire hook ups) and lay on the counter or by numbers. I assume overcharging is happening when engine is running, not on shore power? NAPA or most any auto parts store should be able to test your charging system for free.
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Old 06-16-2013, 11:52 AM   #4
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Quote:
Originally Posted by BFlinn181 View Post
I suggest you list make and model of your vehicle in your signature. Seems like easiest solution would be to go to a NAPA store and ask them. Either remove part (labeling wire hook ups) and lay on the counter or by numbers. I assume overcharging is happening when engine is running, not on shore power? NAPA or most any auto parts store should be able to test your charging system for free.
U r correct. Overcharge is during engine running.
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Old 06-16-2013, 11:53 AM   #5
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I think it's a battery terminal protector, or a battery over heating protector. Or like a CFI.
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Old 06-16-2013, 01:18 PM   #6
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looks like a voltage regulator. thats what mine looks like. i have a 1989 pace arrow with a chevy 454
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Old 06-16-2013, 06:03 PM   #7
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Sure looks like a voltage regualtor to me. What is your voltage with the engine revved up???

Does your onboard generator charge the engine battery ? If so you could unplug the regulator and run the generator.

If the regulator is putting out high voltage give it a rap with the handle of a screwdriver and maybe the relay will unstick inside.
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Old 06-16-2013, 08:06 PM   #8
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This should work or ask for a regulator from an 70's chevy or ford http://www.napaonline.com/Catalog/Ca...2SB_0354894499
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Old 06-17-2013, 07:31 AM   #9
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I confirm that it is the External Voltage Regulator for the Alternator.

Make sure you get the HD version... your Alternator should be more than 100a output.
Mine has a Transpo F540 XHD, which is a Ford item, yet my MH is a chevy..
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Old 06-17-2013, 07:44 AM   #10
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Thank you so much everyone. Will attempt to fix it today.
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