Results 1 to 16 of 16

Thread: TJ - No brake lights, Signals & Third light brake light yes.

  1. #1
    Join Date
    Feb 2011
    Location
    Port Perry, Ontario
    Posts
    20
    Time Online: 5 Days 2 Hrs 56 Mins 49 Secs
    Avg. Time Online: 25 Secs
    Rep Power
    7

    Angry TJ - No brake lights, Signals & Third light brake light yes.

    2000 TJ Sahara. I've checked the bulbs and fuses all seem ok. The third brake light works, signal lights work and the running lights work. Just no brake lights. I found the connection behind the gas filler, it seems find too.

    Does the third brake light work off a separate wire compared to the regular lights?

    Does anyone have any suggestions? Thanks

  2. #2
    Join Date
    Jun 2012
    Location
    mississauga
    Posts
    267
    My Mood
    Asleep
    Time Online: 7 Mths 1 Day 9 Hrs 40 Mins 53 Secs
    Avg. Time Online: 17 Mins 26 Secs
    Rep Power
    6
    Check the wires coming off the brake switch at the pedal and work backwards from there. Also get a test light and see if there is power at the rear harness. If not check your grounds.
    Last edited by Wge; 10-18-2012 at 01:20 PM.

  3. #3
    Join Date
    Sep 2007
    Location
    Campbellville
    Posts
    2,330
    Time Online: 5 Mths 19 Hrs 40 Mins 6 Secs
    Avg. Time Online: 12 Mins 26 Secs
    Rep Power
    13
    I had the same symptoms and it turned out to be a bad ground in one of the tail lights. A bit of wiring cleanup, and everyone could see when I wanted to slow down and turn!

  4. #4
    Join Date
    May 2009
    Location
    Richmond Hill
    Posts
    3,582
    My Mood
    Twisted
    Time Online: 1 Yr 5 Mths 2 Wks 16 Hrs 11 Mins 44 Secs
    Avg. Time Online: 43 Mins 40 Secs
    Rep Power
    12
    I had a turn signal out after I installed a cb antenna mount behind the light. Turned out the bolts were to short and not providing a good ground. Pull those bolts, clean em up and make sure they are in nice and tight.
    2010 JK Unlimited Sahara, rubi axles, 35" duratracs, OME lift: Written off, RIP.
    2006 LJ Rubicon Lots of stuff from TMR installed by CT Motorsports (see profile if you want to know) project once more with feeling
    Quote Originally Posted by igotafrigginjeep View Post
    Listen to the wise Drizit
    Hey he said it not me.
    There Must have been a time when we could have said no.

  5. #5
    Join Date
    Feb 2011
    Location
    Port Perry, Ontario
    Posts
    20
    Time Online: 5 Days 2 Hrs 56 Mins 49 Secs
    Avg. Time Online: 25 Secs
    Rep Power
    7
    Thanks everyone for your reply's but if the taillights work for both signal lights and headlights... meaning both filliments in the bulb are working, would it still be a ground issue?

  6. #6
    Join Date
    Sep 2007
    Location
    Campbellville
    Posts
    2,330
    Time Online: 5 Mths 19 Hrs 40 Mins 6 Secs
    Avg. Time Online: 12 Mins 26 Secs
    Rep Power
    13
    Maybe?

    Welcome to the wonderous world of Jeep grounding issues.

  7. #7
    Join Date
    Mar 2008
    Location
    Windsor, ON
    Posts
    721
    Time Online: 1 Mth 2 Wks 2 Days 13 Hrs 43 Mins 51 Secs
    Avg. Time Online: 3 Mins 50 Secs
    Rep Power
    10
    Because the ground is common, when you only use one of the light filliments the filliment that is being powered will draw it's ground through the other filliment, and a reduced output as the filliment is basically a resistor. This usually means that you don't get anything when tail and brake are on as there is no ground path anymore.

  8. #8
    Join Date
    May 2009
    Location
    Richmond Hill
    Posts
    3,582
    My Mood
    Twisted
    Time Online: 1 Yr 5 Mths 2 Wks 16 Hrs 11 Mins 44 Secs
    Avg. Time Online: 43 Mins 40 Secs
    Rep Power
    12
    My grounding issue caused break lights and tail lights to work but no turn signal... go fig.

  9. #9
    Join Date
    Apr 2011
    Location
    Barrie
    Posts
    3
    Time Online: 1 Wk 3 Days 3 Hrs 27 Mins 45 Secs
    Avg. Time Online: 50 Secs
    Rep Power
    0
    I had that issue with my 2000 Jeep TJ bought and installed a new brake pedal switch not to pricey 15 min fix no issues since.

  10. #10
    Join Date
    May 2011
    Location
    eganville
    Posts
    398
    Time Online: 1 Wk 6 Days 23 Hrs 9 Mins 21 Secs
    Avg. Time Online: 1 Min 9 Secs
    Rep Power
    7
    pull the bulb see if the glass part is still attached to the metal if it ended up twisting itwould cause that i puld a hole rear harness in a snoma only to find that
    91 Renagade
    frame replacement and more http://www.jeepkings.ca/forums/showt...91-yj-renagade

  11. #11
    Join Date
    May 2009
    Location
    Richmond Hill
    Posts
    3,582
    My Mood
    Twisted
    Time Online: 1 Yr 5 Mths 2 Wks 16 Hrs 11 Mins 44 Secs
    Avg. Time Online: 43 Mins 40 Secs
    Rep Power
    12
    Quote Originally Posted by H3lzsn1p3r View Post
    pull the bulb see if the glass part is still attached to the metal if it ended up twisting itwould cause that i puld a hole rear harness in a snoma only to find that
    I suspect there were some colourful words spoken after that one.

  12. #12
    Join Date
    Oct 2007
    Location
    Barrie
    Posts
    199
    Time Online: 1 Wk 3 Days 4 Hrs 21 Mins 22 Secs
    Avg. Time Online: 50 Secs
    Rep Power
    11
    Check and maybe replace your multifunction switch on your steering column. The fact you have a 3rd brake light (which runs directly from the switch on the pedal) but not reg. brake lights (which run thru the multifunction switch) makes me believe its the switch.

    I had a 97 TJ which was doing the same thing. I ended up removing the switch, ripping it all apart, and found all the connecters inside where dirty. No big surprise on a open top vehicle used offroad.
    Personally, I would not do what I did and try to open it up and clean it yourself. It was a complete pain to put the box back together, and every since the high beams liked to shut off by themselves. Guess that extra spring I found on the bench that I didn't put back in the box was important.....

  13. #13
    Join Date
    Jun 2012
    Location
    mississauga
    Posts
    267
    My Mood
    Asleep
    Time Online: 7 Mths 1 Day 9 Hrs 40 Mins 53 Secs
    Avg. Time Online: 17 Mins 26 Secs
    Rep Power
    6
    check all the grounds first. If you go to autozone . com and register you can get almost any wiring diagram for free. I spent weeks ripping apart the wiring, replacing switches and harnesses on my 95 sierra only to find it was a bad ground at the switch on the pedal.

  14. #14
    Join Date
    Feb 2011
    Location
    Port Perry, Ontario
    Posts
    20
    Time Online: 5 Days 2 Hrs 56 Mins 49 Secs
    Avg. Time Online: 25 Secs
    Rep Power
    7
    Thanks to all that replied... I found the problem. I checked the rear harness with a test light... it worked. I then took apart the tailight and cleaned the grounds... it worked. It's a jeep thing... bites again!

  15. #15
    Join Date
    May 2011
    Location
    eganville
    Posts
    398
    Time Online: 1 Wk 6 Days 23 Hrs 9 Mins 21 Secs
    Avg. Time Online: 1 Min 9 Secs
    Rep Power
    7
    Quote Originally Posted by Drizit View Post
    I suspect there were some colourful words spoken after that one.
    o yea mostly because the owner said he just check the bulbs

  16. #16
    Join Date
    Jun 2012
    Location
    mississauga
    Posts
    267
    My Mood
    Asleep
    Time Online: 7 Mths 1 Day 9 Hrs 40 Mins 53 Secs
    Avg. Time Online: 17 Mins 26 Secs
    Rep Power
    6
    Quote Originally Posted by thervguy View Post
    Thanks to all that replied... I found the problem. I checked the rear harness with a test light... it worked. I then took apart the tailight and cleaned the grounds... it worked. It's a jeep thing... bites again!
    Nah its a 12 volt power thing one ground issue and everything goes stupid.

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •