My headlights are not working and instrument cluster is acting up, why?

Tiny
REDBARSOTTI
  • MEMBER
  • 2004 DODGE DURANGO
  • 89,000 MILES
I just bought a used 2004 dodge durango slt 5.7l. I drive it all day with no problems, it gets dark so I go to turn on the exterior lights and they dont work and now my instrument cluster is acting up, gauges not working and warning lights coming on? Whats wrong?
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Tuesday, February 28th, 2012 AT 12:57 AM

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Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

Since none of the lights are functional it can be due to a faulty light switch.
A malfunctioning switch will not turn on the lights.
It the headlight switch located on the left of the steering wheel.
This switch can be tested using a multimeter by reading the internal resistance.
I have included the testing procedure for the switch (look below).

https://www.2carpros.com/articles/how-to-use-a-voltmeter

Another possibility is that the integrated power module is faulty. That module located under the hood next to the fuse block (see diagram below). It controls many of the light functions. Fairly common issue with these years of vehicles.

I have attached diagrams for your reference.

Please let me know if you have any questions.
Thank you.
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Saturday, October 16th, 2021 AT 2:06 PM

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