Quote:
Originally Posted by someday31
Thanks...my volts use to be 14.77....now are 14.05-14.10 and amps are around 40-45 at idle, but that is with the larger 150 amp alternator so should be higher than your stock 105 if that is what you have? I just checked another silverado around here today, got 14.78volts and about 58amps at idle!
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Did you read his reply that on cold start up the volts where 14.8 ...
temperature effects the alternator output....
SO IF YOUR ENGINE IS HOT AT THE NORMAL TEMP YOU WILL GET 13.75 VOLTS +/- .25VOLTS .
The alternator size does not effect the voltage generated...this is once again controlled by the internal alternator regulator....a 105 amp or 400amp alternator on your vehicle will output the same VOLTS ....