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Volts go up and down

Tiny
CHRIS#6
  • MEMBER
  • 1994 CHEVROLET VAN
  • V8
  • RWD
  • AUTOMATIC
  • 167,347 MILES
I have replaced alternator an battery with bigger, the problem is when I cut lights the volts start to go up an down. I have hooked up a inverter, music system, television, etc.
Even when all is disconnected, lights on volts still up an down
Wednesday, June 29th, 2016 AT 11:31 AM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check the fusible link it may be starting to go and a few of the wires maybe gone giving you poor voltage. Also check belt and tensioner as recommended replacement is 60,000 miles for both make sure battery terminal ends are clean with no corrosion as well.
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Wednesday, June 29th, 2016 AT 12:37 PM

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