Re: Re: Re: Re: Electrical system checks

Posted by Bob M on February 07, 2002 at 13:26:05 from (66.66.72.246):

In Reply to: Re: Re: Re: Electrical system checks posted by K.B. on February 07, 2002 at 11:38:52:

OK - what you need to do next is isolate the problem. First make yourself a short jumper wire - a piece of 12 or 14 gage couple feet long with an alligator clip on each end is ideal. Then proceed:

Stick the voltmeter across the battery again; start and run the motor at 2/3 throttle or faster. Then:

1 - Attach one end of a jumper to a good ground and clip the other to the regulator base. If the voltage rises to 7.0 or higher, the regulator base ground is bad - clean the base and mating surface, then tighten the mounting bolts. If voltage remains low...

2 - Attach on end of a jumper to the BAT and the other to the GEN terminals on the regulator. If the voltage rises to 7.0+, the regulator is bad - replace it. If voltage is still low...

3 - Leave the first jumper in place across the regulator. Now attach one end of the 2nd jumper to the FLD terminal on the generator and the other end to a good ground. If the voltage rises to 7.0+, the regulator is bad - replace it. If the voltage is unchanged, the generator is the problem. Figure on a rebuild or replace. (Good idea to replace the regulator at the same time....)

Good luck!

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