epharris123@gmail. Posted March 31, 2020 Share Posted March 31, 2020 hi everyone, first time here and was wondering if anyone else has suddenly lost headlight and full beam, also pass doesn’t work, I’ve tested everything , fuse, switches, Light control unit power getting to all the right places but doesn’t work.i saw on other threads about earlier bikes having a problem with the lighting loom, mines a 2017, pulling my hair out any ideas appreciated,thanks paul Link to comment Share on other sites More sharing options...
Supporting Member betoney Posted March 31, 2020 Supporting Member Share Posted March 31, 2020 (edited) 12 minutes ago, epharris123@gmail. said: hi everyone, first time here and was wondering if anyone else has suddenly lost headlight and full beam, also pass doesn’t work, I’ve tested everything , fuse, switches, Light control unit power getting to all the right places but doesn’t work.i saw on other threads about earlier bikes having a problem with the lighting loom, mines a 2017, pulling my hair out any ideas appreciated,thanks paul It might sound silly but you are checking for headlight operation while the engine is running, correct ? Its happened before. If you turn on the key without starting the engine, do you have running lights? Edited March 31, 2020 by betoney ***2015 Candy Red FJ-09*** Link to comment Share on other sites More sharing options...
cletus Posted March 31, 2020 Share Posted March 31, 2020 On my old virago, the starter button would get barely stuck in. Enough for the bike to run and starter not keep engaging but the headlight would be off. Had to pull out the switch the last tiny bit Link to comment Share on other sites More sharing options...
epharris123@gmail. Posted March 31, 2020 Author Share Posted March 31, 2020 Hi,yes engine running, running lights working,lights work ,I tested the unit on another tracer, Link to comment Share on other sites More sharing options...
Premium Member 2and3cylinders Posted March 31, 2020 Premium Member Share Posted March 31, 2020 1 hour ago, epharris123@gmail. said: Hi,yes engine running, running lights working,lights work ,I tested the unit on another tracer, and the result of the led light control module test?? Link to comment Share on other sites More sharing options...
skipperT Posted April 1, 2020 Share Posted April 1, 2020 Ok so as mentioned earlier: engine HAS to be running! Check your fuse first, connections second. Have you Or anyone else done any work to the bike recently? Did you just wash it? operate the Hi/Lo switch rapidly, does that cause them to flicker on? (Dirty switch) have you wired ANYTHING into the bike that’s not factory? I have some troubleshooting info I can PM you beyond this. Lmk. -Skip Link to comment Share on other sites More sharing options...
epharris123@gmail. Posted April 1, 2020 Author Share Posted April 1, 2020 Hi, I checked the lights control module and it has power running to it, I then removed it and tried it on another tracer and it works fine, thanks for your help ,paul Link to comment Share on other sites More sharing options...
norcal616 Posted April 1, 2020 Share Posted April 1, 2020 Only one side stays on, while the other side stays dim during normal running operations...then the other side turns on when HI beam is selected... both lights do not light up as LOW beam during normal operations... 2012 wr250f - C-class 30+ age group 2015 fz-07- Hordpower Edition-80whp 2015 fj-09- Graves Exhaust w/Woolich tune by 2WDW @120whp Link to comment Share on other sites More sharing options...
cantin Posted January 22, 2022 Share Posted January 22, 2022 On 4/1/2020 at 4:22 AM, skipperT said: Ok so as mentioned earlier: engine HAS to be running! Check your fuse first, connections second. Have you Or anyone else done any work to the bike recently? Did you just wash it? operate the Hi/Lo switch rapidly, does that cause them to flicker on? (Dirty switch) have you wired ANYTHING into the bike that’s not factory? I have some troubleshooting info I can PM you beyond this. Lmk. -Skip Hey mate, I am having a similar issue. Headlight is getting 12v after the modulator. But only my running lights are on. No low or high beam. Also with all the switches rapidly switched still nothing. Any suggestions? I am trying to avoid replacing the whole assembly. Link to comment Share on other sites More sharing options...
skipperT Posted January 23, 2022 Share Posted January 23, 2022 Ok. Sorry to hear that @cantin. what do you mean by modulator? you saw my post about the bike having to be RUNNING, correct? have you verified the fuses are good? -Skip Link to comment Share on other sites More sharing options...
cantin Posted January 27, 2022 Share Posted January 27, 2022 @skipperT the light control unit under the assembly. Is what I mean by modulator. Yes also when running there is no low or high beam. There is 12v coming out of each pin on the light control unit, also tried another light control unit and still no success. I have removed the entire assembly now, to have a look. Any suggestions before replacing ? running lights work but everything powered by the supply entering the back of the unit has no response. Link to comment Share on other sites More sharing options...
skipperT Posted January 27, 2022 Share Posted January 27, 2022 Do you have access to the wiring diagram and/or the service manual? if not, I’ll need some time to dig abs try to help. -Skip 2 Link to comment Share on other sites More sharing options...
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