2002 Jeep Wrangler Logo
Anonymous Posted on Jun 26, 2011

Hi, I have a 2002 Jeep Wrangler Sport. The turn signals just sopped working. Have replaced the flasher and the turn signal switch and still no blinkers. Checked fuses they are fine also. What else could it be?

  • Anonymous Jun 27, 2011

    Checked bulb sockets and wiring every thing is working properly, except flashers and turn signals

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1 Answer

danoyachtcap

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  • Jeep Master 2,907 Answers
  • Posted on Jun 26, 2011
danoyachtcap
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I assume you must have also checked the rear turn signal bulbs.
You may have to start using a volt meter. Check for 12 v at the bulbs also check the bulb ground...that's a common cause of light problems.

  • 16 more comments 
  • danoyachtcap
    danoyachtcap Jun 27, 2011

    Since this is FREE help...please take time to rate me.

  • Anonymous Jun 27, 2011

    You replied really fast, which was great. But it is not a wiring problem.

  • danoyachtcap
    danoyachtcap Jun 28, 2011

    Sorry...I missed the word "flashers". I don't think it's the flasher unit....It's more like a fuse or loss of power to the turn signal switch. Or bad ground.
    This problem is usually caused by a bad ground connection.
    I'll look at a schematic now, if I can find that one.

  • danoyachtcap
    danoyachtcap Jun 28, 2011

    Do your brake lights work?...If not...do you have antilock brakes.?

  • danoyachtcap
    danoyachtcap Jun 28, 2011

    There is a relay called "Park Lamp Relay"...It controls left & right Turn signals. Each side has a seperate fuse.

  • danoyachtcap
    danoyachtcap Jun 28, 2011

    That relay also powers the license light & side lamps. So if these lights are ok then its probably not the PL Relay.

  • danoyachtcap
    danoyachtcap Jun 28, 2011

    Fuse #11 powers "Hazard/Flasher"

  • danoyachtcap
    danoyachtcap Jun 28, 2011

    Fuse #11 & #39 power the haz/flash combo switch...try these fuses

  • danoyachtcap
    danoyachtcap Jun 28, 2011

    I've gone thru at least 120 schematics so far. Looks like thay call the turn sig switch .... Left/Right/Normal/Hazard Switch.....get back to you later, I need a break now.

  • Anonymous Jun 28, 2011

    brake lights work

  • Anonymous Jun 28, 2011

    I was wrong we have no brake lights.

  • danoyachtcap
    danoyachtcap Jun 28, 2011

    Have you tried any ot the checks I listed?
    I'll check with you later. Good Luck

  • Anonymous Jun 29, 2011

    it seems we have power entering the multi switch but no power leaving it. Multi switch checked out fine when we did a continuity test.

  • danoyachtcap
    danoyachtcap Jun 29, 2011

    OK I found input to Multi Switch is pin 1. Switch positions are: Left...Right...Normal...Hazard.
    Output is pin 4 Left Lamps....Pin 5 Right Lights.
    Power to all of this appears to be Fuse #2.

  • Anonymous Jun 29, 2011

    Where is this relay located at?

  • danoyachtcap
    danoyachtcap Jun 29, 2011

    I haven't found the relay or fuse locations. Usually they are under dash in side panels, under hood, maybe near where flasher is.

  • Anonymous Jun 29, 2011

    Yes we checked everything you listed all was fine.

  • danoyachtcap
    danoyachtcap Jun 29, 2011

    I found this info.


    The fuse box for most fuses is located behind the glove box. Open the glove box, it is kept from opening too far by a webbed strap. Empty the contents from the glove compartment. Slide the strap out of it's slot that hold it. When you do this the glove box will fall all the way open and probably drop to the floor. Look towards the firewall and you will see the fuses

    Another tip is...check # 13 fuse in that box.

    And check # 9 fuse under hood back near windshield.....I Hope.

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Hi there,

Both the hazard and the blinker flashers are located on the fuse panel. They pull straight out.

When both turn signals fail, the cause may be a blown fuse, a faulty flasher, a broken turn signal switch or a bad connection.

When you try the turn signals, do they light up and not blink?
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When you try the turn signals, does nothing happen?
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Let me know if the problem continues after replacing the flasher.

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