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AC fuse?

Discussion in 'Questions From New Drivers' started by RogerThat72, Jun 18, 2016.

  1. Jun 18, 2016 #1
    RogerThat72

    RogerThat72 Road Train Member

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    hey guys! Quick question, my truck was recently loaned out to another driver. It came back and the AC/Heat won't turn on. I'm not at work and wanted to get home but I was thinking that it sounds as if a fuse has blown. I'm thinking this because it won't even turn on at all. It's a Mack Pinnacle 2013. Any ideas. Thanks and stay safe!
     
    RogerThat72, Jun 18, 2016
    RogerThat72, Jun 18, 2016
    #1
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  3. Jun 18, 2016 #2
    Pepper24

    Pepper24 Road Train Member

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    Blower motor could've went out.HAd that happen several times
     
    Pepper24, Jun 18, 2016
    Pepper24, Jun 18, 2016
    #2
    BUMBACLADWAR Thanks this.
  4. Jun 18, 2016 #3
    77fib77

    77fib77 Road Train Member

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    Does it blow?
     
    77fib77, Jun 18, 2016
    77fib77, Jun 18, 2016
    #3
  5. Jun 18, 2016 #4
    WitchingHour

    WitchingHour Road Train Member

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    Don't know the newer smacks very well, but the fuse panel should be pretty clearly labeled. You'd want to look at fuses and relays which say "HVAC Blower" or something to that effect.
     
    WitchingHour, Jun 18, 2016
    WitchingHour, Jun 18, 2016
    #4
  6. Jun 20, 2016 #6
    BUMBACLADWAR

    BUMBACLADWAR Road Train Member

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    Several possibilities.Will it work on "high speed only? Is their any chance the other driver "robbed" the fuse or relay to use for something he had to have to drive ie. Lights?Blower motor is likely unless it'll work on "high speed only" then the blower resistor switch.Rarely the switch on dash.
     
    BUMBACLADWAR, Jun 20, 2016
    BUMBACLADWAR, Jun 20, 2016
    #6
  7. Jun 21, 2016 #6
    RogerThat72

    RogerThat72 Road Train Member

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    Works on 1-2-3. 4 is a no go :(

    Been busy sorry for the late response. Sound like a blower going bad or possibl switch? Thanks
     
    RogerThat72, Jun 21, 2016
    RogerThat72, Jun 21, 2016
    #6
  8. Jun 22, 2016 #7
    WitchingHour

    WitchingHour Road Train Member

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    Sounds like a switch. 1, 2, and 3 will go through a resistor… usually, you'll run into the opposite problem, where the high setting is the only one which works after the resistor fails.
     
    WitchingHour, Jun 22, 2016
    WitchingHour, Jun 22, 2016
    #7
    RogerThat72 Thanks this.
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