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360 stereo and turn signal fuse keeps blowing

Discussion in '360/430' started by I'm 360 Canuck, Aug 23, 2021.

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  1. I'm 360 Canuck

    I'm 360 Canuck Formula 3

    Nov 21, 2015
    1,911
    Ontario, The Real One in Canada
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    Lars!
    #1 I'm 360 Canuck, Aug 23, 2021
    Last edited: Aug 23, 2021
    Hoping someone can point me to the right direction.
    I took my car to an upholstery shop to get the headliner reinstalled as it had fallen out.
    Car was working properly when dropped off, when i picked it up, the headliner looked great, but the stereo did not work nor did the turn signals.
    The shop said they did not encounter any wires in the job, and the overhead clock and light seem to be working.

    I traced it to the 15a fuse behind the passenger seat. But when I change it, it blows immediately when the key is turned.

    Not sure if I should focus on the stereo wiring or the turn signal wiring, or even if I take it to my stereo guy or my indy?
    AFAIK, my aftermarket stereo uses the stock wiring.
    Car is a 2001 gated.
     
  2. ItalGerBrit

    ItalGerBrit Formula Junior

    Mar 15, 2016
    908
    S La
    #2 ItalGerBrit, Aug 23, 2021
    Disconnect the stereo wiring and see if that is the problem.
     
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  3. mike32

    mike32 F1 Veteran

    May 13, 2016
    5,962
    Isle of man- uk
    #3 mike32, Aug 23, 2021
    Have a look for damaged wiring in the footwells, if working on the headliner their feet might have knocked something given the working space
     
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  4. vrsurgeon

    vrsurgeon F1 World Champ
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    #4 vrsurgeon, Aug 23, 2021
    Remove the overhead light and track down the wiring. When they put it back, somewhere in the wiring it's shorting on the metal of the body.
    Remove the cabin light -> Then test and see if it shorts out
    Then track down the wiring -> test to see if shorts.. etc.

    Next time and for those reading... remove the interior trim yourself carefully, buy extra yellow and grey clips for it, take the roof panel and send THAT to the upholsterer.. and then reinstall it yourself. When you work on your car, the chance of it being screwed up is less...
     
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  5. JonM

    JonM Karting

    Oct 31, 2017
    132
    South Gippsland, Victoria, Australia
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    Jon Maratos
    #5 JonM, Aug 23, 2021
    I had the same problem a while ago and was caused by the lighter socket in the centre console shorting out. It’s on the same fuse as indicators and stereo.


    Sent from my iPad using Tapatalk
     
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  6. JonM

    JonM Karting

    Oct 31, 2017
    132
    South Gippsland, Victoria, Australia
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    Jon Maratos
    #6 JonM, Aug 23, 2021
    Oh, I should have stated that it shorted out after I plugged a USB charger into it.


    Sent from my iPad using Tapatalk
     
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  7. I'm 360 Canuck

    I'm 360 Canuck Formula 3

    Nov 21, 2015
    1,911
    Ontario, The Real One in Canada
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    Lars!
    #7 I'm 360 Canuck, Aug 23, 2021
    Thanks. Im going to rule out that possibility as i replaced my lighter with a CF cup holder a while back.
     
  8. I'm 360 Canuck

    I'm 360 Canuck Formula 3

    Nov 21, 2015
    1,911
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    Lars!
    #8 I'm 360 Canuck, Aug 23, 2021
    that was my first thought, so I went back and asked them if they saw any wires when they did it, they said they didnt <shrugs shoulders>
    I think they tucked the headliner in without removing much of the trim, but that would be an easy way to scrape soem wire insulation (or cut a wire).
    any idea which side of the car those wires run on? I hate taklng apart soft interior stuff....it always gets scuffed/scratched so would like to be minimally invasive.
     
  9. I'm 360 Canuck

    I'm 360 Canuck Formula 3

    Nov 21, 2015
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    Lars!
    #9 I'm 360 Canuck, Aug 23, 2021
    I wondered the same thing, they said they didnt think so. But I'll take a closer look...hopefully if it happened that easily it will be easy to spot.
     
  10. I'm 360 Canuck

    I'm 360 Canuck Formula 3

    Nov 21, 2015
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    Lars!
    #10 I'm 360 Canuck, Aug 23, 2021
    I'll see if i can find it.


    So, the general sense of the replies doesnt seem to think its related to the turn signal circuit? I read something about a 7 pin relay going bad?
     
  11. GCalo

    GCalo F1 Veteran

    Sep 15, 2004
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    #11 GCalo, Aug 23, 2021
    I would bring that interior light housing down to see if one of the pins may be contacting ground
     
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  12. one4torque

    one4torque F1 Veteran
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    #12 one4torque, Aug 23, 2021
    Agree on dome light! There is a fiddly harness in that housing.
     
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  13. GCalo

    GCalo F1 Veteran

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    #13 GCalo, Aug 23, 2021
    there are two circuits in that housing - one is always on and one is switched

    These connections can cause a touching if not installed properly or if contacts were pulled a bit by the wiring
    Image Unavailable, Please Login
     
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  14. Qavion

    Qavion F1 World Champ
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    #14 Qavion, Aug 23, 2021
    Last edited: Aug 23, 2021
    All the wiring attached to that fuse is light blue:

    cigar lighter
    centre console parking light switch
    OBD port
    glovebox light
    clock
    dome light
    door lights

    Note that the wire colour changes after going through the main plug for the dome light/clock. Possibly red (I don't have a wiring diagram for the light/clock assembly shown in the photo above).

    I haven't found any links to the stereo or hazard/turn system (7 pin relay)

    The owners manual shows the radio (live battery) fuse being next to the fuse which is blowing.
     
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  15. GCalo

    GCalo F1 Veteran

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    #15 GCalo, Aug 23, 2021
    at the lamp -

    red (+) and black (-) tin contact leads- these two leads provide power all the time.

    The other two wires (yellow and orange) are for backlighting of the clock and door entry lighting circuit, etc, and come on only when the key is on.

    Possible they may have nicked the wiring slightly while working on headliner install at the windshield side
     
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  16. Qavion

    Qavion F1 World Champ
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    #16 Qavion, Aug 23, 2021
    Last edited: Aug 23, 2021
    Can you tell us exactly which fuse was blown? Sorry, I have a habit of not reading the original message properly. You said you turned on the key and the fuse blew. That means it is not the fuse I thought it was. It should be fuse 43. That provides ignition key power to the steering column stalk switch (for turn signals) and to the stereo and to things like the clock and wing mirrors.

    Please ignore my original message about the light blue wire circuits. Most of the wires on this fuse are orange (with black stripe)
     
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  17. I'm 360 Canuck

    I'm 360 Canuck Formula 3

    Nov 21, 2015
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    #17 I'm 360 Canuck, Aug 23, 2021
    Thanks everyone....as Borat would say, "Great success!".

    I think it ended up being 1 of 2 things...there was an ill fitting LED bulb in the map light (the smaller of the 2 overhead lights) which wasnt working, so I removed that bulb. Although I know that bulb was there for years so, not sure it was the direct cause. Curiously though, the other light and digital clock were still working.

    #2...underneath the header trim, the wiring harness that goes to the map light/dome light/clock etc was secured to the roof with aluminum foil duct tape. I removed that. I didnt see any cuts in the wires though.

    or maybe #3 just taking it all apart and putting it back together again did it :)

    Whatever it was, once I replaced the 15a fuse (again), all systems are go again...ie turn signals, fuel door, stereo, whatever interior lights were on that circuit.

    So, 360 Canuck is a happy boy again!
    Thanks again, and likes given to all responses.
     
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  18. one4torque

    one4torque F1 Veteran
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    #18 one4torque, Aug 23, 2021
    Success!


    Now take off ya hoser:)
     
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  19. GCalo

    GCalo F1 Veteran

    Sep 15, 2004
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    #19 GCalo, Aug 23, 2021
    Forget Borat as he would not help.

    Had to have been the light contents

    Good work
     
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