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more heater questions

Discussion in 'Intermediate CJ-5/6/7/8' started by iamgeer, Oct 13, 2004.

  1. Oct 13, 2004
    iamgeer

    iamgeer Member

    Calgary,...
    Joined:
    Jan 30, 2004
    Messages:
    226
    So I headed down to the local wrecker and picked up a few candidate blower motors that fit the heater box, but now I have questions about wiring. The stock heater motor has resistors to control speed built in. all of the motors I found do not have built in resistors. Current is controlled externally. I did not find a resistor bank for the fans I picked up, but I did not look too hard either. I thought of using a newer 3 speed fan switch from a cj7. I ordered one from a local parts shop and indeed it has posts for different speeds, but I could not tell if it contained resistors or if there is an external bank of resistors. they and I did not have a multmeter so I could not check. They will not give a refund on electrical items like this and I am too cheap to just take it home and have it not work. So, does anyone know if I need more than just the switch?

    Karl
     
  2. Oct 13, 2004
    schardein

    schardein Low Range Therapy

    Success, MO
    Joined:
    Aug 11, 2003
    Messages:
    553
    My wife's 83 CJ-7 uses a resistor bank. It is located in the heater ductwork kinda on the pass side.
    My 67 heater motor has 2 wires coming out of the motor, one for each speed.
    Hope this helps some.
     
  3. Oct 13, 2004
    dauntless_powered

    dauntless_powered SUB Chief

    Groton, CT
    Joined:
    Nov 3, 2003
    Messages:
    1,000,069
    im not sure if this is gonna help you or not, but my two speed heater has 3 wires coming out of it. one for ground and one for each speed. i just put in a on-off-on toggle switch and hooked the wires for each speed to the connector on the switch. so know when i switch my toggle up its on high off is in the middle and low is down. i have had no problems at all so far. HTH
     

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