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Electrical problems

Tiny
P HUSCH
  • MEMBER
  • 2000 VOLKSWAGEN JETTA
  • 1.9L
  • 4 CYL
  • 2WD
  • MANUAL
  • 480,000 MILES
When the key is in the glow plug pre-heat position everything seems to work. When the engine is started an audible alarm (single beep)occurs and then the following things cease to function: Tachometer, speedometer, power sunroof, power windows, power mirrors.
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Wednesday, January 22nd, 2020 AT 6:14 AM

1 Reply

Tiny
TOUGHDIVER
  • MECHANIC
  • 224 POSTS
Hi,

It could be the power reduction relay is shutting down power to the accessories. Load test the battery and check the battery charge rate. It may have a faulty battery or Alternator. I'm attaching repair guides and battery specs. Please let us know if this information was helpful and what fixed your vehicle. Let us know if you need more information.

https://www.2carpros.com/articles/how-to-check-a-car-alternator

https://www.2carpros.com/articles/car-battery-load-test

https://www.2carpros.com/articles/how-to-replace-a-car-battery

https://www.2carpros.com/articles/how-to-replace-an-alternator

Thank you
Joe T.
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Wednesday, January 22nd, 2020 AT 11:38 AM

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