where is volatge regulator on 1991 Pontiac Sunbird

most are inside the alternator but this one is not. i have been told by several that it is whats wrong. i have changed both the battery and alternator

by in Odenville, AL on February 25, 2014
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1 answer
ANSWER by , February 25, 2014
GM alternators are built internal, unless it's 50's or 60's model.