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Discussion Starter #1
I'm having trouble wrapping my brain around this one, I think I have it. My GF has a Ford Taurus (yuck). Over 3500 rpm, the alternator output drops to zero volts. Its not a slipping belt, thats ruled out. The only things that I can think of is either

a)the regulator is incapable of handling the voltage created above that RPM and its shutting to zero.

b)there is some sort of weird magnetic field phase thing going on because of some failed/grounded component or something.

or
c) its some sort of problem with diodes (this makes the lease sense since diodes,to my knowlege, dont partially fail.

Whats everyone think?
 

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erm, I know on mz3 the car shuts off the AC (and possibly the alternator) above a certain RPM cause it decides that you want to go fast. Perhaps the taurus does the same thing, if it's a recent model...
 

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internal or external regulator?
 

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Discussion Starter #4
its internally regulated
 
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