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-   -   No heat and no blower motor (http://www.ramforumz.com/showthread.php?t=128396)

gwiz37 12-16-2012 07:29 PM

No heat and no blower motor
 
I have 2002 Ram 1500 4.7L. I know of the relay switch needing to be replaced. I currently only have High on the blower.

My main issue is the heater. The heat is warm for about 3 seconds and that is it. I see no leaks and I have replaced the thermostat. Any help I can get is much appreciated.

RamTech 12-17-2012 03:54 PM

I'm not sure what you're calling a 'relay switch" but the first thing you need is a blower motor resistor and possibly a new pigtail connector. As for the heat itself, the 4.7 is notorious for trapping air and causing problems like this. Have you had to add any coolant recently?

gwiz37 01-11-2013 08:18 PM

I could be using the wrong terminology, for that i do apologize. What I was refering to on the "relay" is under the dash. The blower motor itself works fine but I only have a the high setting on the fan and the anti-freeze is full.

Where is the blower motor resistor and pigtail. Where is that located at?

Again any help is greatly appreciated.

tipoblanco 07-03-2013 09:30 PM

i have a similar problem,started with the resistor burned out,was buried in leaves and years of gunk on my 2002 ram,i changed both the blower motor and resistor together,all speeds worked fine for about 6 months,then it would run for 1 minute and quit,set for 10 minutes and do the same thing,then just stopped working,i have another ram so i swapped the parts over to my other truck they worked flawlessly,i looked at rock auto parts and found there is a blower motor relay for it,has a picture of it but i cannot locate it and can find no fuse in the box for the blower motor either,any help would be greatly appreciated

Warlock III 07-04-2013 02:45 PM

The blower motor resistor is located on the passenger's side of the floor and can be hit easily with their left toe.

It's held in with 2-7 or 8mm screws.


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