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Thread: oh ye electrical gremlin... go away (please) - RESOLVED! bad LED!

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    25th Anniversary #9772 toadster's Avatar
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    oh ye electrical gremlin... go away (please) - RESOLVED! bad LED!

    ok - the car is (was) fully working IMHO before paint - two electrical gremlins bugging me

    1. high beams on by default - already chasing this one https://thefactoryfiveforum.com/show...-on-by-default wiring looks good, but still digging

    2. right turn signal flashes all the dash lights - yes, you read that correctly...

    using the left turn signal is just perfect, left lights blink on/off or hi/low (if lights are on), and the left indicator blinks in the speedhut speedo

    setup:

    RT Turn Signal setup
    IDIDIT relay for high/low beam on the stalk
    RF wire harness
    Speedhut wire harness
    locking hazard button

    we've pulled the lower dash/stereo out to get more room - trying 'not' to pull the dash if we don't really have to
    also took the speedometer out of the dash to see inside a bit more

    somehow we're determining that the right turn flasher is somehow tied into the dash lights - trying to trace everything

    here's the testing (over testing IMHO) on the wiring

    as would be expected if you hook up a white dash light wire to pink flash wire
    all 4 lights flash on/off - but so does the dash



    hazard light activity:
    turn the light switch on - dash lights turn on - press hazard, 4 hazards flash as expected, dash is lit (no flashing)
    turn the lights off - dash lights turn off - press hazard, 4 hazards flash and the dash flashes


    turn signal activity:
    key on, activate left turn signal, left turn signals blink, left turn signal blinks in speedo
    key on, activate rt turn signal, rt turn signals blink, rt turn signal blinks in speedo, AND all dash lights blink


    connect green left turn to pink hazard, left blinks as hazard, front right parking light goes out
    blue hzd rt connect to pink hzd flash - all 4 blink


    light switch turned on green left side turn - connect to pink hzd
    left front blinks low/hi flash, right front blinks on/off flash
    left rear blinks low/hi flash, right rear stays on low light, no flash


    light switch turned on blue right side turn - connect to pink hzd
    left front stays at low light no flash, right front does low/hi flash
    left rear stays at low light no flash, right rear does low/hi flash


    light switch turned off green left side turn - connect to pink hzd
    left front blinks on/off, right front is off
    left rear blinks on/off, right rear is off


    light switch turned off blue right side turn - connect to pink hzd
    all 4 lights flash on/off
    dash flashes with lights

    very odd how some of the corner lights flash differently depending on wire connections - obviously not fully wired as expected as the hazards are wired in pairs (front/rear, left/right) so that may be the odd blinking modes

    really perplexed that when the right turn signal is used, the dash flashes...

    I know it's a matter of tracing wires, but any first thoughts? very odd!!
    Last edited by toadster; 07-31-2024 at 09:27 AM.
    Todd
    25th Anniversary MkIV | #20 of 25 | Build #9772
    https://cobradreams.com/ <- my build!

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