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My power surges and runs the battery up then drops to the lowest point

Tiny
ANONYMOUS
  • MEMBER
  • 1992 DODGE VAN
  • 160,000 MILES
My power surges and runs the battery up then drops to the lowest point. I have replaced alternator in past and it didnt help is there an external voltage regulator I can replace?
Wednesday, February 20th, 2013 AT 12:34 AM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

This vehicle does have an external voltage regulator.
It is located on the fire wall.

I have attached a picture for your reference.
Also include the voltage regulator testing procedure below.

Please let me know if you have any questions.
Thank you.

https://www.2carpros.com/articles/how-to-check-a-car-alternator
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Friday, January 21st, 2022 AT 2:21 PM

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