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Instrument panel, Tachometer, speedometer, gas and temperature gauges stopped working?

Tiny
GLENSINKS
  • MEMBER
  • 2001 BMW Z3
  • 3.0L
  • 6 CYL
  • 2WD
  • MANUAL
  • 32,000 MILES
Car owned since new, no damage, lives in garage, only out for sunny days. Went to start, battery dead. Attached battery charger, still would not crank. Removed and replaced battery with new NAPA battery and engine started but no gauges. It drove and seemed to drive fine but the instruments were nonfunctional. Idiot lights work, all other electrical seems okay. Checked visible available fuses with VOM and they are okay.
Any ideas?
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Friday, August 18th, 2023 AT 11:32 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,640 POSTS
It sounds like the IPC has had a voltage surge which shorted the internals, but to be sure let's check the power and grounds by using this guide and the wiring diagrams below:

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

This will show you the fuses to check and the grounds, I have also included how to replace the instrument cluster as well. Check out the images (below). Please let us know what happens.
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Saturday, August 19th, 2023 AT 9:45 AM

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