Identifying a switch on the dash of my 389

Discussion in 'Peterbilt Forum' started by Josiah Harder, Dec 5, 2022.

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  1. Crude Truckin'

    Crude Truckin' Alien Spacecraft

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    Do you have two plugs on the back of the cab of the truck for pigtails? We have 2 on our trucks. One, the center pin has constant "key on" power for ABS. The other plug has switched power to the center pin. Just curious.
     
    Crude Truckin', Dec 5, 2022
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  2. Josiah Harder

    Josiah Harder Light Load Member

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    Yeah I do have 2 which I was wondering why! You've been very informative
     
    Josiah Harder, Dec 6, 2022
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    Crude Truckin' Thanks this.
  3. Antinomian

    Antinomian Road Train Member

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    And they didn't figure out the center pin wasn't hot? I wouldn't go back there.
     
    Antinomian, Dec 6, 2022
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    Crude Truckin' and Last Call Thank this.
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