View Full Version : upgraded alternator problem '02 5.3L 'Lade
12-28-06, 08:35 AM
I just replaced my factory alternator with a "direct bolt-in" 250 amp alternator and now sometimes the voltage will drop suddenly to 10v then in a fraction of a second be 14v.. while driving the battery icon shows up on my display for a second or two at random with perfectly good ampers.. is the computer unable to figure out ive upgraded the alternator? do i have to make any modifications to fix this problem? help!
12-29-06, 12:21 AM
may be your new alternator is missing a voltage regulator module. I would assume that your original one had something like that built in
the new alternator is broken,
same thing happened to me and within time your new alternator will stop working.
send it back to the manufacturer and tell them that it is defective
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