19blockhead72 Well-Known Member Joined Sep 10, 2016 Messages 271 Reaction score 95 Location Gettysburg pa Feb 21, 2017 #1 Ok so 74 dart small block all factory wiring, new alternator. At idle chargering around 13v. but when the rpms go up say over 2000, the voltage skipes up over 16v. Any ideas? Voltage regulator bad? Thanks.
Ok so 74 dart small block all factory wiring, new alternator. At idle chargering around 13v. but when the rpms go up say over 2000, the voltage skipes up over 16v. Any ideas? Voltage regulator bad? Thanks.
R RedFish Well-Known Member Joined Sep 5, 2007 Messages 25,850 Reaction score 5,349 Feb 21, 2017 #2 Regulator is most likely culprit.
mod5v Well-Known Member Joined Feb 17, 2006 Messages 695 Reaction score 174 Location fortworth Feb 21, 2017 #3 First clean up all your grounds. if still bad check your regulator.