Wiring diagram please for a 2010 KW t800

Discussion in 'Kenworth Forum' started by Cpq28g72, Aug 31, 2021.

  1. Cpq28g72

    Cpq28g72 Bobtail Member

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    Aug 31, 2021
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    I have a 2010 KW t800
    AC compressor will only run if I jumper ac relay. So I'm trying to figure out why ac relay gets turned on from.
    Just fixed a Oring leak, fully charged both high and low pressure switches are made.
    Just something causing ac clutch relay not to cycle.
    Thanks
     
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  3. spsauerland

    spsauerland Road Train Member

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  4. kwcam

    kwcam Light Load Member

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    at the shop
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    This might help, sounds like your low side switch control (relay ground ) that runs through the pressure switches and freeze switch is not working, try jumping one or the other pressure switches at the heater box area, easiest to test first.
     

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