1993 Freightliner 414426

Discussion in 'Freightliner Forum' started by Frank5229, Mar 2, 2013.

  1. Frank5229

    Frank5229 Light Load Member

    50
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    Mar 20, 2012
    Calgary
    0
    Hi can somebody pls help

    I have a 1993 Freightliner , my high beam lights are not working. I checked for broken wires etc.
    In the fuse panel box , there is only relays and breakers. I have no clue what to do or how to start checking them.
    my local dealer won't even give me wiring diagram etc.

    Can somebody give my step by step directions what to do

    Thanks
     
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  3. jbourque

    jbourque Heavy Load Member

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    Oct 25, 2012
    south english iowa
    0
    if i remember you dim the lights with the same handle as the turn signal. had the same problem once but cant remember which truck was like that. if that is where the dimmer is on your truck might try there. hope you find the problem
     
  4. daf105paccar

    daf105paccar Road Train Member

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    Apr 15, 2012
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    frank,you know where the start is off the high beamcircuit?
    Start measuring from there to see if you have current.
    Then follow the wires,measuring as you go.
     
    Last edited: Mar 2, 2013
  5. carrkool

    carrkool Heavy Load Member

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    May 10, 2012
    adah, pa
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    freightliners dont have fuses. Check the relay should be on the left side there will be two relays one for left on for right. check both of them if nothing after that dimmer switch. also check for power at the lights
     
  6. carrkool

    carrkool Heavy Load Member

    883
    494
    May 10, 2012
    adah, pa
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    oh and ps you will have a heck of a time following the wiring
     
  7. spacetrucker88

    spacetrucker88 Heavy Load Member

    you might laugh at me but on a few occasions I have seen both headlights blow the same beam out on each one. Look for the little things first change one headlight and if it has both beams change the other one and check
     
  8. daf105paccar

    daf105paccar Road Train Member

    6,564
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    Apr 15, 2012
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    Carrkool,is that all freightliners or just the older ones?
    And what happens if you have a short?
     
  9. Smellfunny

    Smellfunny Road Train Member

    1,376
    901
    Jan 28, 2012
    South Carolina
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    There is a relay for the high beams. It is in your middle panel under a/c controls in the cab. Pull the panel off and on the left there is usually 3 rows of relays. I think the middle row is the row that has the headlight relays (there are four relays in this row). It should be labeled above them. If not just buy a new relay and swap them until you find the bad one. Make sure you have the key on when testing headlights on a Freightliner. If I was at work I could tell you the exact relay. I have the FLD relay location wrote down after I found a truck that had perfect labels on everything. If you don't figure it out I can tell you Monday.
     
  10. QUALITYTRUCK

    QUALITYTRUCK Road Train Member

    1,778
    1,722
    Jun 14, 2009
    romulus,mi
    0
    would love to see or get a copy of those relay positions.have not seen one with clear labels in 10 years!could you please post or email me.thanks.
     
  11. Smellfunny

    Smellfunny Road Train Member

    1,376
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    Jan 28, 2012
    South Carolina
    0
    Will do it Monday.
     
    QUALITYTRUCK Thanks this.
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