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-   24 Valve 2nd Gen Dodge Cummins 98.5-02 (https://www.dieselbombers.com/24-valve-2nd-gen-dodge-cummins-98-5-02/)
-   -   Heater fan only works on high????? (https://www.dieselbombers.com/24-valve-2nd-gen-dodge-cummins-98-5-02/44587-heater-fan-only-works-high.html)

turbo20psi 02-28-2010 07:23 PM


Originally Posted by RAWilliams (Post 502595)
When I bought my truck it had the same issue. Pulled out hte resistor pack for the motor, and found a solder broken on the connections. Resoldered it, and it has been holding for the last 8 months. I believe this is a very, VERY common problem regaurdless of the logo on the front of the truck.

Seems like blower motors are made with cheap bearings.The logo doesnt matter.:humm:

Fiveseven 03-01-2010 04:17 PM


Originally Posted by Whit (Post 502450)
I know its prolly a fuse or something stupid but I cant seam to figger this out

anybody seen this before????

2001 Dodge Cummins

I was about to ask the same question and I just changed mine it worked thanks for the info guys! :tu:

mopar26287 03-02-2010 07:59 AM


Originally Posted by blkjack (Post 502466)
I am thinking that it might be the blower resistor, being that it only has high the fan is at the straight 12v speed the resitsor would step down the voltages to lower the fan speed. It is under the glove box in the heater/ac housing should be faily accessable.

i agree i had a 99 1500 and the dealer told me the sma ething, my heater core went out on me and mine went bad, thats what they said to replace.

Whit 03-09-2010 07:08 AM

well I messed this one up, yesterday I took a look and figgered the resistor must be in that lil box under there, poped it loose and a small motor and 2 plastic gears fell out, its the damn door actuator for the heater, now I cant get that POS back together, no damn room under there

RAW 03-09-2010 07:46 AM

Damn, that really sucks. I hope you don't have to pull the dash and the entire heater control box out to fix it. If you do, it's not that bad really. Enlist a buddy, a case of beer, and a day.
If you haven't found the one you are looking for, it is near the fan, 2 screws holding it in place. Towards the front, and left of the blower motor itself. Right beside the fan motor cooling tube. At least that is where mine is.

Whit 03-29-2010 04:32 PM


Originally Posted by RAWilliams (Post 502595)
Pulled out the resistor pack for the motor, and found a solder broken on the connections. Resoldered it.

exactly what I found...........on the resistor itself there is a small jump leg on one of the terminals going over to another leg, the solder broke loose so I just re-soldered and its all good now

Dr. Evil 03-29-2010 04:34 PM

Theres not much better than a free fix. Dealer would have charged you $600 for that.

RAW 03-29-2010 07:12 PM

Glad that's all it was!!:jump::jump::jump:


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