[DML] Re: Alternator problems

["Harold McElraft" <hmcelraft@xxxxxxx>]

Too bad you don't have a known working Motorola alternator or 
regulator. Did you check the light function? That is, disconnect the 
light wire and ground it there by the alternator - the light comes 
on? If so then you most likely do have a bad alternator/regulator. 
Did you load up the electrical system with fans on, etc.?

It is hard to say what might be bad since I believe (I can't find my 
motorola literature) the motorola is internally energized and the 
light function is a "triggered" function that is activated 
separately by the regulator. Therefore the alternator will work even 
if the light bulb is bad, gone, etc.

Harold McElraft - 3354


--- In dmcnews@xxxxxxxxxxxxxxx, "Dave Swingle" <swingle@xxxx> wrote:
> Rich and I were working on an alternator issue today that I've 
never 
> run into. I know how to look for the usual stuff, but this one has 
me 
> stumped.
> 
> Start car - alternator light stays on, charging system at 12.1 
volts 
> (DVM, not the dash gauge. Dash gauge looks to be about 9 volts). 
> 
> Rev Engine - charging system jumps to 13.9 volts, light stays on. 
> 
> Let it idle back down, stays at 13.9, light stays on. (Dash just 
> above the 13). 
> 
>




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