tail light help 1997 freightliner fld 120

Discussion in 'Trucks [ Eighteen Wheelers ]' started by earthmover, Jun 25, 2010.

  1. earthmover

    earthmover Medium Load Member

    563
    20
    Jan 27, 2009
    castalia , north carolina
    0
    hay all on my dump truck the tail lights dont seem to want to work when i turn the headlights on..i checked the relays moved them around and still no go i have tried leaveing the lights on and moveing wires around at the back and even checked the main conn. in the back thats in the box could someone shed so light on this for me please..thanks mike
     
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  3. adamm

    adamm Bobtail Member

    16
    3
    Jun 30, 2010
    0
    Do you have power going into the lights? I can get a wiring schem if you give me the last 6 of the vin. Also do they turn on with just the running lamps or none at all?
     
  4. lego1970

    lego1970 Medium Load Member

    504
    165
    Oct 10, 2008
    Blue Springs, Missouri
    0
    Is there any corossion around the relays or wires going into the top of the relays? When the windshields leak the water has a tendency to drip on the relays causing all kinds of funky problems. If that's the case, fix wiring, then cut out a piece of plastic and jam it up over the relay area so the water drips away. Other then that, I would follow the wiring from the taillight to the cab so see if there is any that have rubbed together, etc, etc. That's all I can suggest. Good luck.
     
  5. earthmover

    earthmover Medium Load Member

    563
    20
    Jan 27, 2009
    castalia , north carolina
    0
    hay thanks guys i took all the lights out and brushed them and put some die electric grease on them and so far they have been fine but i havent really worked at night to see totally..but im hope full...on the relay i did take them out and brush them as well also moved some around to see if 1 was bad but nothing yet so i got my fingers crossed...thanks for all the help mike
     
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