Andrew P Posted December 13, 2021 Share Posted December 13, 2021 Evening all, thinking about getting these for my 310, but I am confused by the wiring diagram as it seems to neglect the yellow wire!Assume the white and yellow would connect to the sidelight wires, similar to the JAL instruction video? Anyone fitted these or lights with similar wiring that can help? Link to comment Share on other sites More sharing options...
Dixa1225 Posted December 13, 2021 Share Posted December 13, 2021 The yellow wire is not used. Link to comment Share on other sites More sharing options...
K7 VCT Posted December 14, 2021 Share Posted December 14, 2021 Fitted them last 8 months ago, great bits of kit. If you need help send us your number ns I can WhatsApp pics Link to comment Share on other sites More sharing options...
Mrb00ns Posted December 14, 2021 Share Posted December 14, 2021 Dead easy to fit, as mentioned above the yellow wire is not used. Otherwise it is just a case of swap over (you might need to pop on some new connectors too but no big problems). Link to comment Share on other sites More sharing options...
Andrew P Posted December 14, 2021 Author Share Posted December 14, 2021 Thank you all, pictures would be very useful have sent a DM. Link to comment Share on other sites More sharing options...
Wrightpayne Posted December 14, 2021 Share Posted December 14, 2021 Discussion of said lights here...https://www.caterhamlotus7.club/forum/techtalk/7-led-headlamps Link to comment Share on other sites More sharing options...
Andrew P Posted December 14, 2021 Author Share Posted December 14, 2021 Awesome, hadn't found this thread yet, but had found others - thank you! Seems insulate the yellow wire from light and black wire from side lights. Connect the H4 and the White to Red and... let there be light! Link to comment Share on other sites More sharing options...
Andrew P Posted December 15, 2021 Author Share Posted December 15, 2021 So, got and tried to fit these today thanks to K7 VCT for some WhatsApp assistance!Sidelights work ok, but when I go to dipped beam, it looks like it's on full beam and the blue light on the dash comes on. The full beam toggle does nothing.When on sidelights the flash toggle works fine, but does nothing when on dipped beam.What have I broked / not done?! Link to comment Share on other sites More sharing options...
SM25T Posted December 15, 2021 Share Posted December 15, 2021 Not wired them correctly. Have you connected black wires ok to earth stud in headlamp bowl ? Link to comment Share on other sites More sharing options...
Andrew P Posted December 15, 2021 Author Share Posted December 15, 2021 Hopefully, I have... I cut the side lights and insulated the black wire. Connected the sidelight red wire to the white drl wire on the LED. Insulated the yellow wire on LED. Then just plugged the H4 connecter in... Link to comment Share on other sites More sharing options...
Andrew P Posted December 15, 2021 Author Share Posted December 15, 2021 Seems one of the units is defective... one works fine, the other one when connected starts the symptoms! Thanks again to K7 VCT. Link to comment Share on other sites More sharing options...
Member Jonathan Kay Posted December 15, 2021 Member Share Posted December 15, 2021 If you swap them amd then connect them one at a time does the fault move with the lamp unit or stay with the wiring?Jonathan Link to comment Share on other sites More sharing options...
TomCat1 Posted July 11, 2022 Share Posted July 11, 2022 Im sorry to dig up and old thread but I've bought a pair of these and are now on the car. Whats the easiest way to wire these up so that they come on when I start the car?In essence I want the DRL's on but not the rear lights. Turning the side lights on would then turn the rear sidelights on with the DRL's...Many Thanks Link to comment Share on other sites More sharing options...
Member Jonathan Kay Posted July 11, 2022 Member Share Posted July 11, 2022 That's:The DRLs but not the rear position lights to come on with the ignition?And the DRLs and the rear position lights to come on with the sideliight switch?Jonathan Link to comment Share on other sites More sharing options...
TomCat1 Posted July 12, 2022 Share Posted July 12, 2022 Hi Jonathan - exactly that. Link to comment Share on other sites More sharing options...
Roger Ford Posted July 12, 2022 Share Posted July 12, 2022 You'll need to take a feed from somewhere. If you want to avoid wires going through the transmission tunnel and into the main loom, then you could take a feed from the brake light switch, which has a permanent (but switched) live, or on some cars you may be able to get a feed from the radiator fan. I believe the K series loom has a live feed to the fan, which is switched on its way to earth.If you want the DRLs to also come on if you use the sidelight switch with the ignition off, you'd need a double feed, with diodes to prevent the current feeding back from the ignition feed through the rear and instrument lights. Link to comment Share on other sites More sharing options...
Member Jonathan Kay Posted July 12, 2022 Member Share Posted July 12, 2022 Thanks.As Roger says you'll need to stop the DRLs which come on with the ignition feeding the rear position lights through the factory wiring which connects them to the front position lights.And you can do it• With diodes, as above. • With a changeover relay in the feed to the DRLs so that they can be powered either by the new ignition circuit or by the factory sidelight circuit. • With some sort of relay in the feed or earth to the rear position lights. (It would be amusing to isolate their earth with a relay from the new DRL circuit!)I can't see any advantage in the third of these.Experts, please: What are the advantages and disadvantages of diodes and a changeover relay? If diodes are preferable what's the specification?NB: If you run a new circuit remember that it might need a new or differently rated fuse.Jonathan Link to comment Share on other sites More sharing options...
Member Jonathan Kay Posted July 12, 2022 Member Share Posted July 12, 2022 Have you got a multimeter and would you like the appropriate wiring diagram for your Seven?Jonathan Link to comment Share on other sites More sharing options...
Roger Ford Posted July 12, 2022 Share Posted July 12, 2022 Personally I wouldn't bother with the sidelight feed. There's few situations where you need sidelights with the ignition off, unless you're likely to park it at night on a road with a speed limit of over 30mph. Some readings of the MOT tester's manual might suggest that it's a requirement, but I doubt any decent MOT shop would complain. Link to comment Share on other sites More sharing options...
Member Jonathan Kay Posted July 12, 2022 Member Share Posted July 12, 2022 "Personally I wouldn't bother with the sidelight feed. "Have I caused confusion over this... I wouldn't bother with the front sidelights either.Jonathan Link to comment Share on other sites More sharing options...
Area Representative Golf Juliet Tango Posted July 12, 2022 Area Representative Share Posted July 12, 2022 I don't understand why you want rear lights off. I know daylight running lights work that way but I value showing light to drivers behind me. Link to comment Share on other sites More sharing options...
TomCat1 Posted July 12, 2022 Share Posted July 12, 2022 Hi Jonathan, a wiring diagram would be great thank you, shall I pm you my email address? I do have a multimeter yes. Thanks for the replies - I know people are wondering why but I like the look of the DRL's, I don't like the look of the rear lights when they're on (I have clear lenses). I also very rarely drive at night so I thought if it wasn't too much bother I'd get them wired up this way.Cheers, Tom Link to comment Share on other sites More sharing options...
Member Jonathan Kay Posted July 12, 2022 Member Share Posted July 12, 2022 Yes, please.Jonathan Link to comment Share on other sites More sharing options...
1646958 Posted yesterday at 11:21 Share Posted yesterday at 11:21 On 14/12/2021 at 07:55, Mrb00ns said: Dead easy to fit, as mentioned above the yellow wire is not used. Otherwise it is just a case of swap over (you might need to pop on some new connectors too but no big problems). Where does the red wire pick up power from, for the DRL, can I use the side light connector or do you have to run a new wire. Link to comment Share on other sites More sharing options...
1646958 Posted yesterday at 11:24 Share Posted yesterday at 11:24 (edited) Where does the white wire pick up power from, for the DRL, can I use the side light connector or do you have to run a new wire. Edited yesterday at 11:31 by 1646958 Link to comment Share on other sites More sharing options...
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