Speedometer switches

Discussion in 'Peterbilt Forum' started by karl_reed, Jan 18, 2012.

  1. Jan 18, 2012 #1
    karl_reed

    karl_reed Bobtail Member

    2
    0
    Jan 18, 2012
    Dublin, NH
    0
    Does anyone know how to adjust the switches on a 379 speedometer? The tire size is 24.5 LP, the rears are 3.36 with a 13 speed trans. Thanks, Karl
     
    karl_reed, Jan 18, 2012
    karl_reed, Jan 18, 2012
    #1
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