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intake heater relay test 2006 466

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by welder44, Jan 14, 2023.

  1. Jan 14, 2023 #1
    welder44

    welder44 Bobtail Member

    1
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    Jan 14, 2023
    0
    can someone point me to the right direction to test the relay on a international 4400 series 466
    took the heater element itself out and bench tested it but i dont think the relay is sending a single?
    thanks in advance
     
    welder44, Jan 14, 2023
    welder44, Jan 14, 2023
    #1
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  3. Jan 14, 2023 #2
    Inderjit

    Inderjit Heavy Load Member

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    Sep 17, 2017
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    You want to test it on the engine with the heater connected. Put a test light on the power post of the heater and turn the key on. The test light should light up for a few seconds. The colder it is the longer the light should stay illuminated.
     
    Inderjit, Jan 14, 2023
    Inderjit, Jan 14, 2023
    #2
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