1998 classic help

Discussion in 'Freightliner Forum' started by earnies2, May 9, 2020.

  1. earnies2

    earnies2 Medium Load Member

    691
    281
    May 17, 2012
    Dedham, MA.
    0
    The truck is making a clicking noise in the dash with the key off and the battery switch turned off. It kills the batteries by morning. If I leave the battery switch on no clicking and batteries are fine in the morning.....
     
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  3. Rideandrepair

    Rideandrepair Road Train Member

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    56,846
    Aug 8, 2015
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    I had an idle timer on my 2000, used to do that. I unplugged the timer, taped wires off. Longshot, but maybe there an old timer in the dash? All I can think of.
     
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  4. earnies2

    earnies2 Medium Load Member

    691
    281
    May 17, 2012
    Dedham, MA.
    0
    Its back feeding somewhere if i turn off the batteries the check engine light comes on and the flasher relay clicks. And the grounds become positive like the steps,fuel tanks and cab of truck. The battery shutoff is on the ground side of the batteries....
     
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