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Technical Turn signal won't flash but lights up.

Discussion in 'Traditional Hot Rods' started by dan marx, Jul 21, 2024.

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  1. dan marx
    Joined: Mar 8, 2008
    Posts: 40

    dan marx
    Member
    from Rembert SC

    The '28 Essex has not been driven in 3 years and was disassembled for paint. As I am putting it back together, the turn signal will light up on each direction as indicated on the dashboard, however it will not flash. I have changed the flasher and the fuse is good. The tail lights work. There are only two wires and a ground. What the hell am I doing wrong?
     
  2. bobkatrods
    Joined: Sep 22, 2008
    Posts: 771

    bobkatrods
    Member
    from aledo tx

    Make sure you have a good ground..
     
    Blade58, abe lugo and hrm2k like this.
  3. TRAVLR
    Joined: Jul 18, 2022
    Posts: 103

    TRAVLR
    ALLIANCE MEMBER
    from NC

    By any chance, did you covert the bulbs from incandescent/filament style to LED bulbs. Even if you only did one end of the car (taillights only or front turn signals) the flasher will not see the resistance needed to make the flasher work. You would have to use a flasher relay specific for LED bulbs.
     
    rocket hot rod, Tim, Unkl Ian and 5 others like this.
  4. dana barlow
    Joined: May 30, 2006
    Posts: 5,197

    dana barlow
    Member
    from Miami Fla.
    1. Y-blocks

    If all other things are normal,the flasher relay is bad.
     
    LWEL9226, deathrowdave and WC145 like this.
  5. 6sally6
    Joined: Feb 16, 2014
    Posts: 2,604

    6sally6
    Member

    X-2....Sounds like you need a new "ticker hickey" ! (pretty sure that's the official name for it )
    6sally6
     
  6. A couple layers of fresh paint where there had previously been some good ground connections? :confused:
     
    firstinsteele likes this.
  7. dan marx
    Joined: Mar 8, 2008
    Posts: 40

    dan marx
    Member
    from Rembert SC

    Thanks, will look into that
     
    Unkl Ian likes this.
  8. d2_willys
    Joined: Sep 8, 2007
    Posts: 4,304

    d2_willys
    Member
    from Kansas

    Is it possible that the wiring is transposed, tail filament is wired to turn signal wiring, and turn signal filament is wired to tail light wiring. The tail filament draws half the current of the turn signal, therefore the flasher might not have enough current to work properly.
     
    Hollywood-East likes this.
  9. I had a bad connection once... tried to sell me a bag of catnip... :eek:..

    I would look at the bulbs themselves, swap some around or get some new ones. Bad bulbs can drive you to the looney bin.
     
    Speccie likes this.
  10. dirt t
    Joined: Mar 20, 2007
    Posts: 5,318

    dirt t
    ALLIANCE MEMBER
    1. HAMB Old Farts' Club

    I had a similar problem, i tried the emergency flasher and all lights worked. Reversed flashers and found I had a bad flasher.
    Terry aka dirt t
     
  11. RodStRace
    Joined: Dec 7, 2007
    Posts: 5,020

    RodStRace
    Member

    Disassembled for paint is the change. Paint is another change. As said, make sure the wires are going back the way they were and you have clean, bare ground connections.

    Lights up on dash shows that part is powered and grounded, but does not confirm routing and ground at exterior lights. Flash requires proper routing, bulbs and ground (load in circuit) if using old school flasher.

    Tail lights are a different circuit. Turn signals interrupt stop circuit in rear. Does the car have front turn signals? Do the front lights turn on solid? Do the stop lights in rear work? Does the car have emergency flashers? All of these will change the diagnostics.
     
  12. 1971BB427
    Joined: Mar 6, 2010
    Posts: 8,964

    1971BB427
    Member
    from Oregon

    And if there are LED lights, also make sure polarity is correct!
     

  13. Yes, LEDs are Polarized.
    In the original post, the tail lights work, they just don't flash.
     

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