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2004dodge ram 2500 cruise control. Replaced

2004 dodge ram 2500 cruise control. Replaced motor unit , worked for 2 days doing same thing. works for a few minutes or not at all . Ex-dodge dealer says it is the ecm ($2500) I cannot believe this is the problem. Replaced the moor 1 year ago and worked for 1 year. Replaced again and worked for 2 days. Vaccum pump tests ok.

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6ya6ya
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Posted on Jan 02, 2017

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M barJ
  • 1 Answer

SOURCE: Cruise control not working

The pump is located on the passenger side of the engine compartment, back by the firewall. Look in the middle of the firewall by the cowl and you'll see a small plastic line going into the cowl. follow it back and you will come to a T fitting. Follow it to the passenger side and it will go into the Vacuum pump that controls the Cruise control.If you follow it to the other side, it goes under the Battery box. this is where the Servo for the cruise is located. Check the lines for small cracks, wear spots or even breaks. The plastic line can get beaten up pretty easily.
The easy way to see if it is your vacuum pump, turn the key on and listen. you will hear 2 distinct sounds. The first sound will stop in about 15 - 20 seconds. (fuel pump?) the second sound is the vacuum pump. If it turns off in 45 seconds to a minute (or slightly longer) the vacuum pump is probably ok, as are the plastic lines. The sound of the pump stopping means that vacuum has been achieved and is holding vacuum. If it keeps running, the pump is bad or the lines have a break in them. If the lines have had a hole in them for a long time, the diaphragm in the pump will have gone south. This is not a servicable part and the pump will have to be replaced. The pump is available from a dodge dealer but most likely the parts guy will not have a clue as there is no picture in their manual and a very poor description. When talking to them ask for a "03 Ram 2500 CUMMINS Cruise vacuum pump"
The part costs $212.70

Posted on Jul 02, 2009

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  • 691 Answers

SOURCE: 96 dodge ram 2500 wiper delay does not work.

If your wiper work on slow and high and delay does not work its wiper delay module need to be replace. Get one from a junk yard save you some cash, common on dodge vech. 04883827AA for windshield wiper motor delay module. hope that help some

Posted on Jul 31, 2009

  • 64 Answers

SOURCE: 1998 dodge ram 1500 Cruise control , speed

Look under the hood to check and make sure there is two steel wire cables connected to the throttle body. i had the same problem on my 02 dodge ram, turns out that just one of the cables came loose

Posted on Sep 15, 2009

co7196
  • 3433 Answers

SOURCE: flat spot in 2007 5.4 F150 ,when cruising ang hit

Problem is you can't adjust it. Chk the Throttle position sensor. They get worn in one spot and affect acceleration smootness.

Posted on Oct 21, 2009

fingaz22
  • 1068 Answers

SOURCE: Where is Fuel Relay for 2004 Dodge Ram 3500 Diesel Truck

it doesn't have a fuel pump relay it has a fuel pump control unit and it is located on the chassis back quarter drivers side near the tube cross member for chassis on top of chassis rail near bed mount. locate the rear springs front perch and it will be above that on top of rail.

hope this helps. good luck and please ask any question you have.

Posted on Oct 25, 2009

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I have a 1995 dodge ram 2500 cummins the abs and brake lights are on and the cruise control is not working? I have replaced the master cylinder and the speed sensor in the rear axle


The warning lights mean there should be a trouble code stored in the body computer. I would start there.
When the ABS system is inop it may prevent the cruise from working too. Sometimes a hydraulic brake system failure will turn the ABS light on too. After repairs you would need to scan the system to turn the light off with most vehicles.
Are the brake lights in the rear of the truck staying on ?

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1 Answer

1998 Dodge Ram 1500 2wd cruise control quit working. Cruise light still comes on but nothing happens. I can not locate any fuses for cruise control can anyone tell me where the fuse would be?


In the front, there should be a bulbous looking device - this is the vacuum chamber for the cruise. Check to make sure the vacuum hose did not slip off. That was the problem on my van.

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My cruise control, four wheel drive, and climate control are not working. Could this be a vacuum problem. If so, how do I trouble shoot the problem. The truck is a 98 Dodge Ram 2500 with a 5.9 diesel


I had a ford3/4 ton with the same problem. It turned out to be a vacume paulse motor that was not working. And it controled 4x4 and hvac. So it might be the same thing for you. It was on the right inner fender under the hood

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You may want to have a personal visit with the manager of the dealership. Explain what you posted here.
Something looks fishy.

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Replace fuse & check for corrosion/moisture in fuse box

Dec 20, 2009 | 2001 Dodge Ram 2500 Truck

1 Answer

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After the light goes out does it come back on while driving down the road?
If it does this sounds as if you may have a heat sensitive problem at the cruise motor. this has a sensoe that turns the light on when it is engaged. when you turn it off and sits a while does the heat under the hood goes higher expanding the circuts an open circut. You may have to replace the board in the motor.

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1999 Dodge Ram 2500 Diesel 4x4


there is a cruise control module , easiest way to find it is follow 2nd throttle cable under hood right to it. it most cases there unplugged

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1997 Dodge Ram 2500 Cummins Turbo Diesel


The cruise control on y 1997 dodge cummins diesel 4x4 suddenly stopped working.I checked the fuses but they are ok.any solutions?

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