A month ago I could smell that overheated electric wire smell and the front AC/Heater fan stopped working except for when it was on the 'highest' setting. Today none of the settings work.
I suspect a failing AC/Heater Switch. I've never been under the dash, any thoughts?
Is there an on-line repair, repalce guide?
It could be that fan rester went out. pick up a repair manual from Napa. look to see if you need to take the dashbord out. some of this are lockated betewn the fire wall and the blower moter housing. i have had a hard time looking for on on the internet.
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If it only overheats at idle..then check see if there is a electric fan in front of the mechanical fan..I know the 2001 has one ,,but im not sure of the 99..You have to look with a flashlight ..Look into the mechanical fan towards the front you should see the blades of the electric fan,,if it has it...The electric fan should come on instantly when you turn on the a/c
it is possibly the switch, fuse, wires, or fan motor. use a test lite to check for power at the front fan connector with key on and fan switch on high. if you have power, fan is bad. if no power, check fuse, if good, you will need a wiring diagram and a bottle of prozac
What exactly is the "round plug type thing" near the firewall [passenger side]? Is it a sensor of some type? I, too, have a coolant leak here on my 2001 Durango; its tucked in rather tightly near the hood/firewall corner. My electric fan is not kicking on; vehicle overheated tonight. (4.7 liter)
I have a 2001 Black Durango that had the same problem. There is a resister to the right of the ac/heat blower (underneath the dash on passaenger side). This needs to be replaced. You might want to replace the motor as well. Both are real easy. I had replaced the resister first and everthing worked fine for about 6 months and then my ac/heat would only works on high. I replaced the motor and now it works just fine. The resister was about $15 at dealership and the motor is prob around $40-$50. I hopes this helps. Good Luck!