Both front and rear heaters run off different fuses so check the owner's manual for the location of the fuse and replace it. If you don't have the owner's manual a Haynes or Chilton's manual will also have the fuse box diagram and are very useful to own.
ive changed the fuses an still nothing i figure it cant be motor or resister cause back wouldnt work an the front work on high right? could it be relay? or can it be a blend door problem ?
It could be a blend door problem or a relay. Check the coolant level and top it off if neede and it may be a good idea to flush the heater core and/or cooling system. Also often times there is a seperate fuse for the high heater fan than the other fan speeds.
whats weird is it was coming on randomly lastnight after the truck was running for about 30mins the i shut the truck down an it wouldnt work the same thing again 30 mins it would work an then park the truck an next time it wouldnt work its just weird lol
That is strange, there could be a short in the wiring to the blower motor or the motor could be going bad. If the temperature gage is acting sporadicly it could also be a sticking thermostat.
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