#1
IP: 69.158.71.200
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Voltage Regulator
Can anyone recomend a suitable replacment Voltage Regulator? Mine was a Prestolite VSH 6201N, but it seems to be a tough part to source at a reasonable price up here in Canada..(shipping, taxes, exchange rate, etc..) Maybe a Napa PN or some other generic part?
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#2
IP: 137.200.32.22
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Is this for the Motorola alternator that comes on the A4? If so, you can make a connection to the field and use any number of standalone regulators. Here is just one relatively cheap example:
https://www.amazon.com/NEW-Adjustabl...%2C1060&sr=8-3 Before you do anything, do you know for a fact the regulator is the issue? If you have the usual A4 35 or 50 amp Motorola, take the existing regulator off and add a test lead to the field wire. With the engine running, touch the test lead briefly to +12 volts. You will hear the engine load up and watch the battery voltage jump up if the alternator is good. If that does nothing, a new regulator isn't going to help. * warning - you are driving the alternator to full output with this test. Do not leave it this way, the resulting voltage will climb high enough to damage something sooner or later. |
#3
IP: 24.152.132.140
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Also please be advised that if you go with an external regulator you'll need to keep the old disconnected regulator mounted on the alternator. It is a critical part of the ignition protection required of all alternators on gasoline powered boats.
__________________
Neil 1977 Catalina 30 San Pedro, California prior boats 1987 Westsail 32, 1970 Catalina 22 Had my hands in a few others |
The Following User Says Thank You to ndutton For This Useful Post: | ||
joe_db (09-04-2019) |
#4
IP: 137.200.32.22
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THANKS - forgot to mention that, there are sparks in there potentially. So step 1 for this test is make sure there are no gas fumes!
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#5
IP: 69.158.71.200
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Fact
Quote:
The only thing I know for a FACT is that I will probably break and screw up a few more things before I get my A4 back on her old legs.. |
#6
IP: 137.200.0.109
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Photo?
I am not picturing what you mean unless this isn't a stock A4 alternator. |
#7
IP: 69.158.71.200
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VR
These are the photos I have on hand. Not sure which alternator this is.
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#8
IP: 137.103.82.227
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That is not the alternator I am used to seeing. That wiring in general looks a mess, probably a fair amount to be done there.
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#9
IP: 162.251.62.150
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Hi....I have issue with me yamaha ft9.9 hp higt trust long term. On me boat I have 2 yellob optima battery of 55 and when I power on the yamaha at min of rpm the volts of charge go to 15.6volts I have talk with yamaha and change the managed rectifier however the issue is something very similar, not arrangement. About we how I get done for not have this issue? What the answer for have a right charge voltage of 14.5 max on charge?
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