Cruise control and rear wiper and more just stopped working

Tiny
JJDENZER
  • MEMBER
  • 2003 DODGE DURANGO
  • 5.9L
  • V8
  • 4WD
  • AUTOMATIC
  • 160,000 MILES
What would make my cruise control just quit and rear wiper to stop along with rear heat on window and the light on heat panel for rear defrost doesn't heat and heater wont switch over to different positions the dial will turn but not change from floor to defrost all at once?
Sunday, November 10th, 2019 AT 2:55 PM

11 Replies

Tiny
94 TRANSAM
  • MECHANIC
  • 680 POSTS
Hi,

Have you checked all the fuses? It is very common for several circuits to be on 1 fuse thus when it blows they all stop working.

Rich
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Sunday, November 10th, 2019 AT 10:06 PM
Tiny
JJDENZER
  • MEMBER
  • 5 POSTS
Yes, all fuses and relays. Radio, cruise, speed odometer, rear wiper, rear heat and air, mileage counter all stop working plus abs and brake light is on
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Sunday, November 10th, 2019 AT 10:09 PM
Tiny
94 TRANSAM
  • MECHANIC
  • 680 POSTS
My next suggestion would be to pick one, the easiest to get to and turn it on and do a voltage check as I suspect you have lost a ground somewhere. Try adding a ground jumper right at the unit with it on and see if it starts running.

Rich
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Sunday, November 10th, 2019 AT 10:33 PM
Tiny
JJDENZER
  • MEMBER
  • 5 POSTS
Okay, thanks. All I'm really worried about is the vent selector working to change where the heat blows.
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Sunday, November 10th, 2019 AT 10:37 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,137 POSTS
Hello,

Lets check for power at the fuse # 4 40 amp (underhood) # 24. #14 (passenger compartment) Test with the key on.

Here is a guide to help:

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

Please run down this guide and report back.

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Thursday, November 14th, 2019 AT 10:32 AM
Tiny
JJDENZER
  • MEMBER
  • 5 POSTS
That didn't fix it. Any other options?
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Friday, November 15th, 2019 AT 5:51 PM
Tiny
94 TRANSAM
  • MECHANIC
  • 680 POSTS
Which suggestion didn't fix it? Ken's or mine?

Rich
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Friday, November 15th, 2019 AT 7:28 PM
Tiny
JJDENZER
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Both.
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Friday, November 15th, 2019 AT 7:28 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,137 POSTS
Hello,

It sounds like the front control module is out. To be sure here is a video on how to scan the CAN system which is the future of car repair which you can get a scanner for about $50.00 and the instruction on how to replace the FCM in the diagrams below. The unit self initializes so its easy to replace.

https://youtu.be/InIlnsjOVFA

Check out the diagrams (below). Please let us know what happens.
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Monday, November 18th, 2019 AT 11:44 AM
Tiny
GRENDAGE
  • MEMBER
  • 1 POST
  • 2001 DODGE DURANGO
  • V8
  • 4WD
  • AUTOMATIC
  • 73,000 MILES
I am not sure if it is an electrical problem or not but none of the controls but the fan speed work on the lower control panel. I cannot change the temperature of the air or the location of where the air blows. I suspect something electrical because the rear wiper also does not work.
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Wednesday, April 22nd, 2020 AT 11:29 AM (Merged)
Tiny
SUEREDDS
  • MEMBER
  • 5 POSTS
Hi
My rear wiper doesn't work either. Along with interior lights, heated mirrors. Had the car's blinker fixed. They fixed the Replay. Then nothing else worked.
Another shop told me to have the Power Control Module looked at. It may have to be replaced $$$ or better. Re programed.
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Wednesday, April 22nd, 2020 AT 11:29 AM (Merged)

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