09 columbia obd port dead, can I get a schematic?

Discussion in 'Freightliner Forum' started by o1reb, Jul 30, 2025.

  1. o1reb

    o1reb Bobtail Member

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    09 columbia obd port dead need schematic for cab wiring .
     
    o1reb, Jul 30, 2025
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  2. OldeSkool

    OldeSkool Road Train Member

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    What you need first is to check your fuses. All the fuses. It’s probably tied into the outlet plug fuses or something.
     
    OldeSkool, Jul 30, 2025
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    Rideandrepair Thanks this.
  3. QUALITYTRUCK

    QUALITYTRUCK Road Train Member

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    10 amp fuse located in B pillar next to driver seat. Use screwdriver to swing open panel holding fuse box.
     
    QUALITYTRUCK, Jul 30, 2025
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    Rideandrepair and JB7 Thank this.