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blower motor only works on high?!?

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    #1

    blower motor only works on high?!?

    hey i tried asking this question in my previous thread but no one answered it... so if you could please that would be great... my question is.. why does my heat/ac only work when turned to high?? if i turn it on low or medium nothing happens...
    Originally posted by deevergote
    wen yous in da import seen yo, u gotta tipe lyke yous from da streetz cuz it showz dat u git mad rezpect yo. toonerz dun tipe lyke dey gotz a edjakashun cuz dat aint coo.
    Tags: None
    #2
    Your heat question was answered in that thread -

    Originally posted by excoupemt5
    20 bucks says it's the resistor for the blower motor... I'm new to these cars, so i dont know where exactly they are on the cb, but its usually very near the blower motor behind the glovebox... maybe someone else will know exactly where it is...


    Car Safety / General Servicing Checks --------Basic suspension checks

    My 5.7 LS1 Holden Ute

    A "Finished" project car is never finished until its been sold.

    If at first you don't succeed, Try again. Don't give up too easily, persistance pays off in the end.

    Comment

      #3
      At first I thought bad switch itself?
      But yeah the resistor makes more sense if the heat itself only works while switch is on high.

      Wait...

      does the motor itself only work on one setting? if so yeah bad switch. Do you mean it will only blow at one speed period?

      life is good.

      Comment

        #4
        Originally posted by DJ metadelic View Post
        At first I thought bad switch itself?
        But yeah the resistor makes more sense if the heat itself only works while switch is on high.

        Wait...

        does the motor itself only work on one setting? if so yeah bad switch. Do you mean it will only blow at one speed period?
        yea it only works if i turn the fan switch to high... and @ Evil... thats all i got for a answer which really didnt help me any...
        Originally posted by deevergote
        wen yous in da import seen yo, u gotta tipe lyke yous from da streetz cuz it showz dat u git mad rezpect yo. toonerz dun tipe lyke dey gotz a edjakashun cuz dat aint coo.

        Comment

          #5
          Originally posted by cb7inct View Post
          Evil... thats all i got for a answer which really didnt help me any...
          The heater resistor is the problem, not the switch.
          Its located in the blower box held in by 2 screws, and the resistors in them fail which cause's it not to work, except for on high because the high setting doesn't use a resistor.

          Swap it out with a good one, and your problem will be fixed


          Car Safety / General Servicing Checks --------Basic suspension checks

          My 5.7 LS1 Holden Ute

          A "Finished" project car is never finished until its been sold.

          If at first you don't succeed, Try again. Don't give up too easily, persistance pays off in the end.

          Comment

            #6
            The reason it is the blower motor resistor is that it's purpose is to change the resistance coming from switch to the motor itself. If the resistors for the low setting burns up, there is no longer an electrical connection from the switch to the motor.

            And if the switch was bad, you wouldn't have anything.

            Hope this makes some sense.

            Edit: Dangit. Didn't finish reading the post above me. Oops, lol.
            Last edited by JPsAccordSE; 01-12-2010, 12:39 AM.

            Comment

              #7
              Originally posted by evil_demon_01 View Post
              The heater resistor is the problem, not the switch.
              Its located in the blower box held in by 2 screws, and the resistors in them fail which cause's it not to work, except for on high because the high setting doesn't use a resistor.

              Swap it out with a good one, and your problem will be fixed
              THANKYOU VERY MUCH!! NOW SEE THAT WAS USEFUL INFORMATION...

              Originally posted by JPsAccordSE View Post
              The reason it is the blower motor resistor is that it's purpose is to change the resistance coming from switch to the motor itself. If the resistors for the low setting burns up, there is no longer an electrical connection from the switch to the motor.

              And if the switch was bad, you wouldn't have anything.

              Hope this makes some sense.

              Edit: Dangit. Didn't finish reading the post above me. Oops, lol.
              ITS KOOL THANKS FOR THE INFO STILL, YOU STILL TRIED TO HELP ME SO THATS ALL THAT MATTERS THANKS AGAIN GUYS
              Originally posted by deevergote
              wen yous in da import seen yo, u gotta tipe lyke yous from da streetz cuz it showz dat u git mad rezpect yo. toonerz dun tipe lyke dey gotz a edjakashun cuz dat aint coo.

              Comment

                #8
                sorry i wasnt descriptive enough, lol... it's the resistor, i'm just not sure EXACTLY where it's located...
                91 EX Coupe 5 Speed
                My Ride Thread

                ASE Certified Master Tech Since 2005

                Originally posted by deevergote
                That's like watching a guy stick his head up his own ass. Impressive... but why?
                Bought From: Quakerjoe , MikeW

                Comment

                  #9
                  its kool... thanks everyone
                  Originally posted by deevergote
                  wen yous in da import seen yo, u gotta tipe lyke yous from da streetz cuz it showz dat u git mad rezpect yo. toonerz dun tipe lyke dey gotz a edjakashun cuz dat aint coo.

                  Comment

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