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Voltage on a WD45

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LL

10-22-2002 04:08:21




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My Buddy has a WD45 that he has converted to 12V (a 12V battery and an ignition resistor). His 6V generator is good, and he'd like to know if its possible to reset the voltage regulator to make it put out 12.5 or 13Volts? The regulator is on top of the generator--its relatively small---unlike one on a D14....the cover pops off, but I'm unsure of how to make any adjustments on it. Thanks for any help.

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Bryan Smith

10-23-2002 07:36:57




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 Re: Voltage on a WD45 in reply to LL, 10-22-2002 04:08:21  
If you want to keep the "original" generator-look, any local auto electric store can re-wire the generator for 12 volts. It'll cost you around $100.00 (an alternator can be had for $35 to $50 depending) and it will have a different regulator mounted on the generator - one of the square, Delco-Remy regulators used on may GM cars over the years, so the only visual difference will be the relay.

If you go with the alternator get a 5/8" belt pulley for it from Genesee Products to match your belt - they also have wiring harnesses, etc. Nice folks to deal with (link below).

I've seen both and both have their strong points. Do whichever suits you best.

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Duey (IA)

10-22-2002 20:24:54




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 Re: Voltage on a WD45 in reply to LL, 10-22-2002 04:08:21  
LL, Here is a link to my web page for wire diagrams and other info. Duey



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Steve in N.J.

10-22-2002 05:59:10




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 Re: Voltage on a WD45 in reply to LL, 10-22-2002 04:08:21  
LL,
Sounds like your buddy has the stock 6 volt generator and cutout. If that's what he has, he's better off moving to a Delco 10SI alternator in leiu of the generator. The SI series Delco has a built in regulator, is quite inexpensive, and is much more reliable if he aims to keep it 12V for a long time. When moving to an alternator, it's also a good move to change out the ammeter to a voltmeter. The voltmeter is more accurate with 12V and also safer. Duey, that is a regular on this site has some great wiring diagrams that your buddy could use to do a little rewiring for the alternator. It's well worth the little extra time. He also will be going to negative ground. I have the 10SI alternators in stock, but they can be found in any auto parts store. They were on most GM vehicles from the late 70's-on. An optional alternator he may want to use is a one wire, but for low rpms, the 2 wire is the way to fly in my opinion.... Steve B.

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