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348 Taillight help

Discussion in '348/355' started by ktr6, Nov 29, 2014.

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  1. ktr6

    ktr6 Formula Junior

    Mar 25, 2011
    947
    Knoxville, TN
    Full Name:
    Keith
    #1 ktr6, Nov 29, 2014
    Yesterday evening I noticed that my tail light driving/running lights no longer come on (of course I noticed this after a long drive home in the dark). Brake/reverse/turn signals/side running lights all function fine. I checked the bulbs/fuses and they are all fine. Pulled the relay as well and the prongs etc look good but have not bench tested it. Unfortunately the car only uses this relay in one place so I cant swap it out with another. Any advice/suggestions would be appreciated.
     
  2. ktr6

    ktr6 Formula Junior

    Mar 25, 2011
    947
    Knoxville, TN
    Full Name:
    Keith
    #2 ktr6, Nov 29, 2014
    Also, my 348 has the rear challenge conversion. Can anyone comment on which rear lights should be on when the running lights are on?
     
  3. plugzit

    plugzit F1 Veteran
    Silver Subscribed

    Dec 1, 2004
    7,789
    Redondo Beach, CA
    Full Name:
    Bruce Bogart
    #3 plugzit, Nov 29, 2014
    Top row.
    Try another 5-prong. There's one in the front fusebox. Not exactly correct, but close enough to use while you wait for the correct one. My memory is foggy.
     
  4. Ricambi America

    Ricambi America F1 World Champ
    Sponsor Owner

    Dec 7, 2003
    16,465
    Winston Salem, NC
    #4 Ricambi America, Nov 29, 2014
    Last edited by a moderator: Sep 7, 2017
  5. ktr6

    ktr6 Formula Junior

    Mar 25, 2011
    947
    Knoxville, TN
    Full Name:
    Keith
    #5 ktr6, Nov 29, 2014
    Sweet, solved it. The tail light plugs had been redone recently and the pins in the connectors for the running lights were put in the wrong place. Glad I checked and it was an easy fix.

    Now I need to get the third brake light working. Can anyone tell me where the wiring runs/plugs in? Engine lid was off for the major, guessing it wasn't plugged back in when completed.
     

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