 Voltage Regulator, How to tell if its bad |
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| chads74 |
 Jul 1 2013, 07:59 PM
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#1
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Member  Group: Members Posts: 386 Joined: 13-March 12 From: Tampa, FL Member No.: 14,252 Region Association: South East States  |
Is there a way to test the voltage regulator to see if it is still good? I had my alternator tested and its good, so I am left scratching my head.
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| GeorgeRud |
Jul 1 2013, 09:18 PM
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#2
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Advanced Member Group: Members Posts: 3,725 Joined: 27-July 05 From: Chicagoland Member No.: 4,482 Region Association: Upper MidWest |
I know that there is a way to test them, as an old electrical rebuilder in my area tested and adjusted mine years ago. I think most folks just simply replace them.
Have you checked the voltage at the battery with the engine off and when running? Is your alternator light staying on? |
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| chads74 |
Jul 1 2013, 09:49 PM
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#3
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Member Group: Members Posts: 386 Joined: 13-March 12 From: Tampa, FL Member No.: 14,252 Region Association: South East States |
I am just getting started with the problem, but didn't really know where to start. I'll see where the volts are sitting.
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| Drums66 |
 Jul 2 2013, 01:45 PM
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#4
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914 Rudiments Group: Members Posts: 5,321 Joined: 15-January 03 From: Coronado,Cali Member No.: 151 Region Association: Southwest Region |
.....If a rebuilder can fix them(alternator),he can test them(VR)
there's a plug-in connector on the machine (IMG:style_emoticons/default/idea.gif) (IMG:style_emoticons/default/bye1.gif) |
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| chads74 |
Jul 2 2013, 02:25 PM
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#5
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Member Group: Members Posts: 386 Joined: 13-March 12 From: Tampa, FL Member No.: 14,252 Region Association: South East States |
I found one here locally so I am just going to pick up a new one so I know for sure its good. But I will keep that in mind for the future
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| r_towle |
Jul 2 2013, 02:38 PM
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#6
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Custom Member Group: Members Posts: 24,574 Joined: 9-January 03 From: Taxachusetts Member No.: 124 Region Association: North East States 
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Aside from doing its job, regulating the voltage, its always been a go nogo thing for me.
Either it works or it does not. If you check voltage at the battery with the car running, it should be 14VDC or somewhere in that range. Then you know the charging system is clean and working properly. The VR wont do its job kinda...for me it works or it does not. A weak charging system is typically due to bad ground connections or a weak battery. rich |
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