Tachometer, Speedometer, Odometer, Gear Indicator are not working?

1995 CHEVROLET 1500

390,000 MILES • 5.7L • 2WD • AUTOMATIC

4LASO4

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No rpm, speedometer, odometer, gear indicator and struggles to get engaged into first gear. It is intermittent. I changed the ignition switch which worked for a minute.

Aug 29, 2023 at 3:47 AM

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AUTOMOTIVE REPAIR CONTRIBUTOR
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I would check the fuses and if they are okay it sounds like the IPC needs to be replaced, here is a video of the job being done on a similar vehicle. This guide can help you check the fuses:

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

https://youtu.be/_HEC44xENxw?si=pU7Jhc1hAS_Sk094

You can get a preprogrammed unit by searching Google or Ebay. To confirm the issue, check the grounds and power supply to the cluster, here is a guide to help:

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

You might want to try removing the cluster wiring connector and reinstalling it to see if it is a bad connection. Here as the cluster wiring diagram so you can see how the system works Check out the images (below). Please let us know what happens.

Images (Click to enlarge)

Aug 29, 2023 at 2:19 PM