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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    Apr 28, 2012
    bedford
    0
    09 columbia obd port dead need schematic for cab wiring .
     
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  3. OldeSkool

    OldeSkool Road Train Member

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    5,138
    Jul 17, 2018
    New Hampshire
    0
    What you need first is to check your fuses. All the fuses. It’s probably tied into the outlet plug fuses or something.
     
    Rideandrepair Thanks this.
  4. QUALITYTRUCK

    QUALITYTRUCK Road Train Member

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    Jun 14, 2009
    romulus,mi
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    10 amp fuse located in B pillar next to driver seat. Use screwdriver to swing open panel holding fuse box.
     
    Rideandrepair and JB7 Thank this.
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