Hot Voltage Regulator? |
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Hot Voltage Regulator? |
MikeM |
Oct 27 2016, 05:51 PM
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#1
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Senior Member Group: Members Posts: 564 Joined: 16-May 10 From: Calgary, Canada Member No.: 11,733 Region Association: Canada |
Hi all...I checked my charging voltage at the battery and it was high. It was almost 16.
So I went to install my spare and the regulator was very hot!! I've never noticed before because I never checked!! Should it be hot? I installed my spare and it allowed a charge rate of 13.4 but it also began to get hot. Hope my alternator isn't bad!! Cheers Mike |
pbanders |
Oct 27 2016, 06:27 PM
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#2
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Senior Member Group: Members Posts: 939 Joined: 11-June 03 From: Phoenix, AZ Member No.: 805 |
Hi all...I checked my charging voltage at the battery and it was high. It was almost 16. So I went to install my spare and the regulator was very hot!! I've never noticed before because I never checked!! Should it be hot? I installed my spare and it allowed a charge rate of 13.4 but it also began to get hot. Hope my alternator isn't bad!! Cheers Mike 13.4V is OK for charging, 16V isn't. It's going to be hot when you check it at idle because the regulator is running at a high duty cycle. I assume it's mechanical (i.e. original stock)? You might want to consider switching to a transistorized regulator, there's another thread going where this is discussed. If you're worried about your alternator, any reputable shop can check it in-car quickly by putting a scope on it and seeing what the output looks like. |
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