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DT125R FORUM

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  4. Taillight/Brake light issues

Taillight/Brake light issues

Scheduled Pinned Locked Moved Electrics
brake light
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  • CallumJ94C Offline
    CallumJ94C Offline
    CallumJ94
    wrote on last edited by
    #1

    I changed my taillight from an LED to a bulb unit as the LEDs had mostly gone. All three wires are correct (to the best of my knowledge) got the taillight working ok when running, but no brake light at all on either switch. Was working when the led was on and I simply cut the three existing wires to the led and joined the three from the bulb in its place. Bulb is ok. (Tried reconnecting the led but not working now either)

    Any ideas? Cheers👍

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    • G Offline
      G Offline
      gareth_iowc
      wrote on last edited by
      #2

      So neither bulb is working?

      DT125R 2000
      DRZ400 2006
      Golf Mk3 20v Turbo 1996

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      0
      • G Offline
        G Offline
        gareth_iowc
        wrote on last edited by
        #3

        If you cut the 3 wires at the same time when power was applied chances are you've blown a fuse. I'd check them first

        DT125R 2000
        DRZ400 2006
        Golf Mk3 20v Turbo 1996

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        • CallumJ94C Offline
          CallumJ94C Offline
          CallumJ94
          wrote on last edited by
          #4

          The wires were cut with no power to them, the taillight filament in the bulb is working, but the brake light isn't. Both filaments are ok. Fuse is ok cause indicators and horn work on ignition switch.

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          • britshgigoloB Offline
            britshgigoloB Offline
            britshgigolo
            wrote on last edited by
            #5

            have you tested for power when the brakes are aplied as you should have power if you dont then you will have to trace back to each switch to see were the brake in the wire is but seems strange was working ok before

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            • CallumJ94C Offline
              CallumJ94C Offline
              CallumJ94
              wrote on last edited by
              #6

              Unfortunately I don't have a multimeter at the moment to test it. Should be power there as the taillight works no matter what way the wires are matched up.

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              • G Offline
                G Offline
                gareth_iowc
                wrote on last edited by
                #7

                I used one of these that I found on uk eBay

                http://doctorenduro.com/index.php?main_page=top_mount_led_tail_brake_light

                Hang on so the old light is working?

                DT125R 2000
                DRZ400 2006
                Golf Mk3 20v Turbo 1996

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                • CallumJ94C Offline
                  CallumJ94C Offline
                  CallumJ94
                  wrote on last edited by
                  #8

                  No I reconnected the old light (led) and the brake light isn't working now on that either. Thinking a break in a cable between the light and the switches somewhere.

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                  0
                  • RickyR Offline
                    RickyR Offline
                    Ricky
                    wrote on last edited by
                    #9

                    Check the fuses when you cut them they might of touched and blown a fuse

                    DT 125X

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                    • CalumC Offline
                      CalumC Offline
                      Calum
                      wrote on last edited by
                      #10

                      This is going to make life SOOOO MUCH EASIER....
                      http://www.ebay.co.uk/itm/New-Accurate-DIGITAL-LCD-VOLTMETER-MULTIMETER-WIDE-RANGE-TESTER-AMMETER-AC-DC-UK-/191921991924?hash=item2caf7130f4:g:tP4AAOSwcLxYEw1O

                      And for the money.

                      Always Originate, Never Pirate!

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                      • CallumJ94C Offline
                        CallumJ94C Offline
                        CallumJ94
                        wrote on last edited by
                        #11

                        Got it all sorted cheers lads, turns out the loom extension had been chopped further up, and the connecting block was filthy. I replaced the cables, cleaned it and wired it up. Boom all working again 👌

                        NINJAN 1 Reply Last reply
                        2
                        • CallumJ94C CallumJ94

                          Got it all sorted cheers lads, turns out the loom extension had been chopped further up, and the connecting block was filthy. I replaced the cables, cleaned it and wired it up. Boom all working again 👌

                          NINJAN Offline
                          NINJAN Offline
                          NINJA
                          wrote on last edited by
                          #12

                          @CallumJ94 Unmolested looms are a rarity these days!!! 😉

                          SEDUCED BY THE DARK SIDE!!!

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