Ken Trethewey Posted February 11, 2022 Report Share Posted February 11, 2022 Hi guys! My lights suddenly died, side and main front and back. The fuse and switch are fine. What else could it be? Thanks in advance. ken Quote Link to post Share on other sites
Mike C Posted February 11, 2022 Report Share Posted February 11, 2022 I assume the starter still works- this will confirm the battery and terminals are OK.Then Check the other earths are clean and tight. Break, clean and remake any connectors in the circuit from the battery to the light switch. Quote Link to post Share on other sites
RobH Posted February 11, 2022 Report Share Posted February 11, 2022 (edited) Since it affects all the lights this is unlikely to be an earth fault unless you have lost all electrics - in which case it will be the battery earth. The common point is the power feed to the lighting switch. It isn't fused but comes direct from the battery (via the ammeter if yours is an earlier car). For '72 and earlier, the wiring diagram shows an in-line bullet connector in the brown/white wire to the lighting switch. It could be that. Edited February 11, 2022 by RobH Quote Link to post Share on other sites
RogerH Posted February 11, 2022 Report Share Posted February 11, 2022 Hi Ken, did this happen when using only the battery or when driving. If only the battery then the Ammeter may have gone open circuit. Can you see it move with any other load. If when running then as Rob states there is a bullet connector between the ignition switch and the light switch. Roger Quote Link to post Share on other sites
roy53 Posted February 11, 2022 Report Share Posted February 11, 2022 Yesterday i lost head lights. Went through all connections etc it was a wire that came off from the foot dip switch . worth a look Roy Quote Link to post Share on other sites
DaveB66 Posted February 11, 2022 Report Share Posted February 11, 2022 I suggest you check your fuses with a multimeter. I lost my lights in Austria and got pulled over by the police, didn't notice as we were in town with street lights. Checked the fuses by the side of the road and they looked OK in the torch light. As we were less than 100m from our hotel the police kindly let us drive there. After spending time checking everything over in the morning with a multimeter it came back to the fuse so I changed it over and all was well. Looking carefully at the fuse I couldn't see anything wrong with it, the wire inside looked complete, I can only presume that the break was hidden by one of the end caps. I've subsequently seen on various fora that there are duff glass fuses circulating. Dave Quote Link to post Share on other sites
RobH Posted February 11, 2022 Report Share Posted February 11, 2022 1 hour ago, roy53 said: it was a wire that came off from the foot dip switch We are told that all the lights are lost. The dip-switch affects only the headlights. 3 minutes ago, DaveB66 said: I suggest you check your fuses with a multimeter. As standard there is no fuse in the headlamp circuit. Quote Link to post Share on other sites
Scaf Posted February 12, 2022 Report Share Posted February 12, 2022 I have been having light problems as well, I think I have narrowed it down to a faulty switch. hoep to investigate further over the weekend Quote Link to post Share on other sites
astontr6 Posted February 12, 2022 Report Share Posted February 12, 2022 23 hours ago, Ken Trethewey said: Hi guys! My lights suddenly died, side and main front and back. The fuse and switch are fine. What else could it be? Thanks in advance. ken I would check the light switch very carefully if its a Clear Hooters one they are known to be a faulty type. I have had a number of their switches fail over the years and replaced them with a Lucas ones. Bruce. Quote Link to post Share on other sites
Scaf Posted February 12, 2022 Report Share Posted February 12, 2022 Well I have had a look this afternoon and my fault is definitely caused by a faulty switch so will have to get a new one. It looks like a real pain to fit, so will have to do it when I am feeling very patient. Quote Link to post Share on other sites
Scaf Posted February 23, 2022 Report Share Posted February 23, 2022 So this evening I managed to replace the switch by splicing and soldering the wires and heat shrinking the joints. A bit of a fiddle but easy enough whole job took just over an hour - very pleased, and light work properly now Quote Link to post Share on other sites
RogerH Posted February 23, 2022 Report Share Posted February 23, 2022 Well done Roger Quote Link to post Share on other sites
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