Question about 2004 Dodge Ram 2500
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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Posted on Jan 02, 2017
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
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
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
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
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
Testimonial: "Thanx for info..no wonder I couldn't find Relay! "
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