When I got the truck, It was a theft recovery. The dash was torn up from them taking the stereo. There was no heater control and I have gone to pic-n-pull auto salvage twice. I now have 2 heater controls but they don't work in my truck. One is vacuum controlled (which my truck is not) and the other don't fit my plugs. Is there more than 2 different heater controlls for a 2002 Dodge dakota? or Does anyone have a wiring diagram for my truck?
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I had the same problem with my 2007 Ford Expedition EL Limited. The dealership suspected the heater control module on the center console is malfunctioning/tripping. They reset this by unplugging the it then re-plug after about 3 minutes.
You can do this yourself, too.
To do this, take off the bottom-most center console cover, then lift up the whole stereo cover to expose the wiring behind it. You will see the back of the heater control module with two (2) plugs (black and blue). Unplug the blue one then wait for a couple of minutes before plugging in again.
turn on the ignition and you should see the display on the dash back to normal, then start.
No you do not, I think you mean the heater core, because its leaking, first unhook heaters hoses under hood (there may be a clamp on the core tubes that has to come off), next go under dash on passengers side, take the one bolt to the far right under dash by the dome light, thats so you can pull the dash out just enought to get the cover off the front of the heater box, behind that cover is the heater core, now that cover is held on with about 6 1/4 inch screws give or take 1 or 2 when you get the cover off you will see 2 straps, one on each end that hold the core in place, there are 2 1/4 screws in each one, remove them and core will come out. Put back together in reverse order.
I have a 1990 chevy truck and i have the same issue i have checked all the wirring,fuses everything under my dash i found a relay that wasnt working correctly i replaced it and the box on the dash with on out of my other 1990 chevy truck and still nothing if some one can help with this please email me at firstname.lastname@example.org Thank You
HI, not to long age i replaced my heater core in my 1991 Chevy S-10. Its not as hard as you mite think it would be, but its no a walk in the park.. :) There are a few things you need to remove. First the glove box door, ash tray, the panel that surrounds the stereo and stereo, also the tray that holds the ash tray and last inside the glove box there is a small plastic panel at the back remove that and that should do it if I remember right. Ok now the fun part, be prepared to get your hands a little bite beat up, you are going to need a lot of extension for your wratches, some antifreeze and lots of pattions also about three hours. Injoy Blake.
The problem is one of accessability. The heater core is wedged in between to halves of an air distribution case and held in position with two clamps. If you remove the lower cover, you may be able to see the heater core, but you may find that the tubes that protrude from the side of the core will prevent its removal. The normal procedure is to discharge the A/C system with the proper recovery equipment and remove the entire heater box as a unit. Cutting into the case may damage the doors and actuators that control the blend-air and mode operations of the unit as a whole. I had the same problem with my 78 LeBaron, and the dash assembly had to be removed to allow the heater box to come out.