Martyn22 Posted December 28, 2016 Share Posted December 28, 2016 last night my head lights did not work, as I do not travel at night I don't know when the problem started, my van is based on a Ford transit 2007 Mrk 7 also the heated screen will no turn off, does anyone know how to fix these problems?, I have changed the head light bulb the one I took out looked ok, the bulbs are the 130% brighter type which I have used for some time have also looked at relays but no sigh of burning but do not have spare to swop the main beam would light on both bulbs but the would not stay on when I let go the control arm, side lights work fog lights work Link to comment Share on other sites More sharing options...
Derek Uzzell Posted December 28, 2016 Share Posted December 28, 2016 If your 130% brighter H4 headlamp bulbs are still 60/55W variants (example here) https://www.powerbulbs.com/product/philips-xtreme-vision-130-h4-twin?gclid=CPaegZD_ltECFU-6GwodK3ALvQ this should have no potential effect on your light-related problem. I assume that the main-beam comes on when you pull the steering-column lever back into the ‘headlamp flasher’ temporary position (which at least proves that the bulbs should be OK). As all the other lights will come on, I guess the problem might lie with the lighting switch, but it seems more likely that it’s a relay-related fault (similarly for the heated windscreen). I’d start by removing and reinserting all the relevant fuses and relays, but I think you may have already done that. It would be worth you enquiring on the Ford Transit forum http://fordtransit.org/forum/ as there might be a simple explanation. Link to comment Share on other sites More sharing options...
Robbo Posted December 28, 2016 Share Posted December 28, 2016 Just a pure guess - but do the brighter headlight bulbs draw more power, expect they do. In which case, perhaps the existing relay is not man-enough to handle the increased current and the contacts have become partly pitted. However, my theory is probably flawed because you can still get main beam when manually operating the stork arm. It might be worth checking the design loading (amps) of the existing relay and upgrading to a higher rating, if necessary. You should be able to bench-test the existing relay (under load) before going down this route. The other possibility is, the lighting switch on the dashboard has developed a fault - you say you very rarely drive at night. Perhaps the contacts in the switch have corroded over time and just need a bit of a clean. Edit, must type quicker, I see Derek has already commented. Link to comment Share on other sites More sharing options...
George Collings Posted December 28, 2016 Share Posted December 28, 2016 Might be corrosion in the switch or the multi pin connector where sub loom from steering column joins main loom. A dose of contact cleaner inside the lighting switch in the first instance. Leave to soak for ten minutes and then work the switch a lot. Next disconnect the multi pin connector and dose with cleaner then replug and unplug several times. before reconnecting. A cheap test lamp would enable you to check if the current is arriving at the bulbs when a helper operates the switch. I would normally say check the earthing of the headlamp unit but the fact the lights work when flashed indicates the earth is good. Link to comment Share on other sites More sharing options...
Martyn22 Posted January 2, 2017 Author Share Posted January 2, 2017 thanks for the info Robbo, dont know how to bench test, but a recent artical in mmm bulb upgrade did not mention the need to upgrade the relays, and have upgraded bulbs in all cars I hve owend Link to comment Share on other sites More sharing options...
Martyn22 Posted January 3, 2017 Author Share Posted January 3, 2017 Robbo, I have checked all wire connections, all OK, have changed headlight bulbs, no change,had a look at light switch, which will light,side frount and rear fog, hazards also work, so will try and get a second hand light switch if possible, do you have any contacts, don't what to get new switch if its not that giving my van grief Link to comment Share on other sites More sharing options...
mgnbuk Posted January 3, 2017 Share Posted January 3, 2017 Have you checked the fuses ? This link refers to the MK7 Transit fuse boxes & shows individual fuses for each high & low beam filament, plus identifies the relays : http://fordtransit.org/forum/viewtopic.php?t=49206 HTH Nigel B Link to comment Share on other sites More sharing options...
Martyn22 Posted January 20, 2017 Author Share Posted January 20, 2017 Thanksfor your advice, yes it was a relay that sends power to the light switch and the blower motor, tooka lot of tracking down, but all now sorted Link to comment Share on other sites More sharing options...
Martyn22 Posted January 20, 2017 Author Share Posted January 20, 2017 Thanks foryour help with my light problem. It was the relay that suppliespower to head lights and heater blower Link to comment Share on other sites More sharing options...
Robbo Posted January 20, 2017 Share Posted January 20, 2017 Good to receive feedback - often people don't bother once they've resolved the problem. Anyway, glad it's all fixed now, despite your struggles along the way. You can now bathe in the glory of a job well done :-D Link to comment Share on other sites More sharing options...
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