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View Full Version : 78' chevy pickup, voltmeter reads 16-17 volts at idle, pegs at 18 when rpms...


Lynn R
11-12-2008, 07:40 AM
...are increased. whats up? fairly new battery. manual says that the voltage regulator is not ajustable. do i need to replace the alternator, or what? any help would be appreciated, thanks

bb 427
11-12-2008, 07:41 AM
the voltage regulator is not working. it can be replaced,but i have found it to be more cost effective to replace the alternator