RupertJames Posted July 6, 2019 Share Posted July 6, 2019 So the main beam on my lights stopped working yesterday. They work when on full beam, but with the switch set to main beam, then only the sidelights work. I'm using classic car led H4 headlights. Any help much appreciated as I leave to France on Monday.. Link to comment Share on other sites More sharing options...
John Vine Posted July 6, 2019 Share Posted July 6, 2019 What model and year?You say the main beam stopped working but the full beam is ok. Do you mean the dipped beam is ok but the main beam is not?JV Link to comment Share on other sites More sharing options...
RupertJames Posted July 6, 2019 Author Share Posted July 6, 2019 Hi, yes sorry John, that is what I meant. Model is a 2002 1.8k Supersport. Link to comment Share on other sites More sharing options...
Sooty Posted July 6, 2019 Share Posted July 6, 2019 Fuse? Main and dip should be on different fuses Link to comment Share on other sites More sharing options...
John Vine Posted July 6, 2019 Share Posted July 6, 2019 And if the fuse is ok, check the dipswitch and connections.JV Link to comment Share on other sites More sharing options...
Toby S Posted July 7, 2019 Share Posted July 7, 2019 When my dip beam went it was the headlamp switch (not the full beam/dip toggle beam switch but the main sidelight/headlamp switch) ) - I popped the switch out dismantled the light switch and cleaned up the copper bits with emery cloth (it all looked a bit oxidised) and it then worked fine - mine is a 92 1400 Supersport.Before the fix I was getting side lights on position 1 and then side and main beam on position 2 when toggling between dip and main beam. Link to comment Share on other sites More sharing options...
Sooty Posted July 10, 2019 Share Posted July 10, 2019 Had a similar problem but with the on/on switch between dip and main shorting which also blew the main beam fuse so side and dip worked but not main. Link to comment Share on other sites More sharing options...
Ian B Posted July 10, 2019 Share Posted July 10, 2019 Does the Flasher toggle switch bring on the main beam?If so it's likely a switch/connection problem with the Side/Headlight, or Dip/Main switches.If not probably the fuse (but could still possibly be an issue with the switches above) Link to comment Share on other sites More sharing options...
Jonathan Kay Posted July 18, 2019 Share Posted July 18, 2019 Is this solved yet?Jonathan Link to comment Share on other sites More sharing options...
RupertJames Posted July 30, 2019 Author Share Posted July 30, 2019 Sorry, I've been away in France!A connection came loose which was causing my starter motor to stop working, and whilst finding that, I found a connector had come loose (one under the bonnet next to the inertia switch). My dipped beam is now working!Thank you for all your tipsRupert Link to comment Share on other sites More sharing options...
Jonathan Kay Posted July 30, 2019 Share Posted July 30, 2019 Thanks. Well done.Jonathan Link to comment Share on other sites More sharing options...
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