 | Home > Technical > Help Headlight issue - Not Switch , poss relay |
 
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| NormanD Member Since: 12 Aug 2011 Location: Bristol Posts: 285   
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That will be the Dip Main Beam Indicator Horn Switch then. NormanD WE191
2015 110 XS Utility 2014 VW Caravelle 180 Executive |
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20th Dec 2017 5:13pm |
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| Tony Lim Member Since: 20 Dec 2017 Location: newark Posts: 9  
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Hi Norman, Ive replace the switch (and tested the voltage all good), on mine the horn and main lights are on separate switches. So I still have no idea???
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20th Dec 2017 5:16pm |
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| Harryb450 Member Since: 11 Dec 2011 Location: over yonder Posts: 283
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I had the exact same problem last night, after a bit of head scratching I found that it was the main Beam/indicator/horn switch, if you have the plastic off around the switches, look at the switch you will see the two contacts on the top that pull back for flash and forward to go on to main beam, below them is another contact if you get a small screwdriver and press the contacts together your lights should come on, hth, Harry NO ROAD..........EXCEPT FOR LANDROVER
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20th Dec 2017 7:19pm |
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| Tony Lim Member Since: 20 Dec 2017 Location: newark Posts: 9
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Thanks Harry, shorting the contacts gives full beam - that's back working after swapping a relay, however, still no dipped beam?
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20th Dec 2017 8:08pm |
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| Harryb450 Member Since: 11 Dec 2011 Location: over yonder Posts: 283
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It’s the contacts below the main Beam ones, that should give you dip, Harry NO ROAD..........EXCEPT FOR LANDROVER
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20th Dec 2017 8:13pm |
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| Harryb450 Member Since: 11 Dec 2011 Location: over yonder Posts: 283
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 Click image to enlarge It’s the one on the left NO ROAD..........EXCEPT FOR LANDROVER |
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20th Dec 2017 8:18pm |
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| Harryb450 Member Since: 11 Dec 2011 Location: over yonder Posts: 283
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Click image to enlarge NO ROAD..........EXCEPT FOR LANDROVER |
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20th Dec 2017 8:30pm |
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| Tony Lim Member Since: 20 Dec 2017 Location: newark Posts: 9
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No joy with dip, appreciate the help
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20th Dec 2017 8:35pm |
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| Tony Lim Member Since: 20 Dec 2017 Location: newark Posts: 9
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I ran a bypass across the blue and the blue and red wire just to ensure I’d made the connection, still no joy.
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20th Dec 2017 9:25pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20300
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Have you tested for Earth continuity and for voltage at the H4 headlights connectors?
You will need to be doing some testing with a Multimeter to narrow down the culprit that is causing the issue. Have you checked the fuse has not been blown? ⭐️⭐️God Bless the USA 🇬🇧🇺🇸 ⭐️⭐️ |
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20th Dec 2017 9:39pm |
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| Tony Lim Member Since: 20 Dec 2017 Location: newark Posts: 9
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Fuses all good, no voltage at the headlight connectors, however have just noticed a high pitch buzz underneath the bonnet near the bulk head on the passenger side, however I can’t locate it. It may have always been their and I’m going paronoid
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20th Dec 2017 9:49pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20300
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Does yours have the dim-dip Relay under the steering wheel fuse box area? Typically pink?
If your dim dip resistor as standard or un-plugged? (You can try disconnecting and see what happens if anything, you can always reconnect.) I think there maybe a fuse shared with the horn also, have you checked that? There are fuses underseat but also fuses under the steering wheel access flap. Do you have any accessory Relays added anywhere, even for main beam? I had a lot of issues with a faulty aux spotlight Relay that I had as trigger feed on main beam. Remove the under dash dim - dip Relay and replace it, also try bridging. This can also knock out dipped if faulty. As main is working, it's not the stalk, not the master switch you've fitted or lets presume so. Earth at headlights appears to work with main beam, I assume on flash and latched with main beam dash light on. So I'm tending to think possibly dim dip Relay. ⭐️⭐️God Bless the USA 🇬🇧🇺🇸 ⭐️⭐️ |
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20th Dec 2017 10:39pm |
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| Tony Lim Member Since: 20 Dec 2017 Location: newark Posts: 9
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Really appreciate the help, mine doesn’t have the dim relay (later model with headlamp adjuster on the dash). I’ve checked all light related fuses in both fuse boxes, but hadn’t checked the horn fuse, I will give that a go in the morning, I now seem to have lost mainbeam (locked) but flash still works.
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20th Dec 2017 11:35pm |
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| dorsetsmith Member Since: 30 Oct 2011 Location: South West Posts: 4554 |
Near the bulk head on the passenger side (wing wiring loom gray plug and socket) between wing top and the heater fan housing 
earth header on the bulk head behind coolant tank common earth point for head lights, side light and so on |
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21st Dec 2017 9:15am |
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