I have no power going to the dash gauges, blinkers, radio, climate control, wipers and door locks?

Tiny
BOSTON42078
  • MEMBER
  • 1998 DODGE CARAVAN
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 165,000 MILES
I have the van listed above that runs and drives very good for the year. My issue is this, I have no power going to my dash gauges, my blinkers, my radio, climate control, wipers, and door locks. My hazards work but no blinkers, and every once in a blue moon if I’m waiting and bored and mess with the radio volume control my wipers will turn on but once I shut the van off, they stop working again. I have checked all the fuses I can find. I’m leaning towards a faulty ground but don’t know where to even start. Headlights and taillights and brake lights along with power windows all function as they should.
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Tuesday, January 17th, 2023 AT 10:23 AM

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Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,554 POSTS
This sounds more like the BCM has gone out, but we can check for power and test the grounds before replacement. here is a guide to help and the location and instructions on how to replace the unit in case you need it:

https://www.2carpros.com/articles/how-to-check-wiring

Here are the BCM wiring diagrams so you can see which wires to test for power and ground. If the fuses are okay (test with ignition on) I have left the location and instructions on how to change out the BCM, you can get a preprogrammed unit by searching Google or Ebay. Check out the images (below). Please let us know what you find. We are interested to see what it is.

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Tuesday, January 17th, 2023 AT 1:40 PM

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