Bluemoon Posted March 1, 2009 Share Posted March 1, 2009 Driving last night , when I press the switch forward for full beam the lights go out , if I flash ok, ,any ideas what wrong, cheers in advance Brian Quote Link to comment Share on other sites More sharing options...
western Posted March 1, 2009 Share Posted March 1, 2009 vehicle model would help ? Quote Link to comment Share on other sites More sharing options...
bishbosh Posted March 1, 2009 Share Posted March 1, 2009 Fuse. Quote Link to comment Share on other sites More sharing options...
Bluemoon Posted March 1, 2009 Author Share Posted March 1, 2009 sorry, I know its a Defender 300tdi Brian Quote Link to comment Share on other sites More sharing options...
Off Road Toad Posted March 2, 2009 Share Posted March 2, 2009 This happened on my 90"- TWICE!. It was in my case the actual switch stalk the first time and then about 3 months later the dim/dip relay went wrong. seems fine now though. Quote Link to comment Share on other sites More sharing options...
Gozling2 Posted March 2, 2009 Share Posted March 2, 2009 sounds to me as if you may have either a faulty switch or faulty dim/dip relay, flash and main beam use the same wiring and fuses on the circuit, if you have flash then that's an easy check on bulbs and wiring, that leaves you 2 things to check, the relay or the switch, if you check the feeds from the switch to the relay you will be able to determine which is faulty. hope this helps in some way. Goz Quote Link to comment Share on other sites More sharing options...
missingsid Posted March 2, 2009 Share Posted March 2, 2009 I have had this more than once. Same as Goz says. The Flash contact and the Main Beam contacts are both connected to the same point to power the relay. If one lead breaks or the contact is faulty then you have the situation where the flash will still work but not the Main Beam. Some times this is a weak contact in the cluster some times it is a broken wire. You can either take it apart to look or replace it. Marc. Quote Link to comment Share on other sites More sharing options...
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