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Every two seconds the Dash lights are blinking and the gauges are jumping up and down

Tiny
MUNCHKIN1569
  • MEMBER
  • 2007 DODGE DURANGO
  • 4.7L
  • V8
  • AUTOMATIC
  • 186,039 MILES
Dash lights are blinking like crazy the gauges jump up and down and you hear a click with a ding. It is doing this every two seconds. Three weeks Prior to all this happening the alternator was replaced, about a week after that my air conditioner went out then all the gauges went crazy. Took it to a shop and they reset the computer and it was fixed for about an hour after I got it out of the shop, then it started again. I am at a loss. I just bought this SUV and I have no clue what to do. I do not even know how fast I am driving. The only other thing I can think of is, I washed my car and the sun roof was slightly cracked and not much water got in, so I do not see that really messing anything up. Unless, someone knows anything about that messing up Dodges. Please help.
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Friday, October 14th, 2016 AT 9:43 AM

9 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
If you opened hood and washed under there you may have messed up a module. Check battery for condition including load test most places do for free. It may have something to do with it. Also check battery terminal ends for cleanliness.
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Friday, October 14th, 2016 AT 12:12 PM
Tiny
RENEE L
  • ADMIN
  • 1,260 POSTS
Hello MUNCHKIN1569,

If you decide to check the condition of your battery yourself here is a link to helpful information from this site that features written instructions, pictures and a video explaining how to load test your battery yourself.

If you need further assistance please come back to 2CarPros.com. We are always happy to help.

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

Thank you for visiting 2CarPros.

Kindest regards,

Renee
Admin
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Friday, October 14th, 2016 AT 12:28 PM
Tiny
MUNCHKIN1569
  • MEMBER
  • 4 POSTS
The battery was checked when I took it to the shop so I am guessing all was fine with that. And no I did not wash under the hood or even under anything just a normal wash.
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Friday, October 14th, 2016 AT 1:13 PM
Tiny
MUNCHKIN1569
  • MEMBER
  • 4 POSTS
Is it going to take me taking the whole dash apart cause I cannot even listen to the radio cause it will cut in and out with the dings.
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Friday, October 14th, 2016 AT 1:16 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
This could be a bad dash as well as they do go bad or there is a short someplace causing all of this if this was ever in a wreck which you probably do not know. Check the harness under the hood leading from the PDC (fuse box) and see if you can see any cut wires/chafing along it.
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Friday, October 14th, 2016 AT 3:18 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Also looking to see further into this there is a TSB for a lift-gate problem that causes courtesy lights with a chime tone it may be the problem its 18-022-07.
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Friday, October 14th, 2016 AT 3:23 PM
Tiny
MUNCHKIN1569
  • MEMBER
  • 4 POSTS
Thank you so much I will look into all that this weekend and keep you updated. Cause now that you mention it when my alternator went out the lift gate automatically locked it self and there was no key hole on the outside for me to unlock it. A few days later it just unlocked it self and I do randomly hear it make a lock noise sometimes.
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Friday, October 14th, 2016 AT 3:52 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Well that particular thing will need to be checked by a mechanic who can get access to programming.
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Friday, October 14th, 2016 AT 5:00 PM
Tiny
ALISSA WILLMAN
  • MEMBER
  • 10 POSTS
@Munchkin1569, did you figure it out? Our 2007 Dodge Durango is doing this as well. We just got a brand-new alternator and battery as well as a new Junction block as it was wet (how I do not know) and it was the cause for frying the alternator. But now 1200 later the dash lights flicker off and, on a ding, every two seconds.
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Saturday, January 15th, 2022 AT 4:42 PM

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