Velocita Rosso Posted November 18, 2018 Share Posted November 18, 2018 OK so who is the expert who can explain : I have fitted a new harnesss/loom everything now connected and all the bits and switches are working. Realised that some items work in series eg the reverse lights have to be connected to allow the indicators and brake lights to work, however....cant get a spark, purely down to knowing whether I have connected the right end to wherever Got live to the start solenoid and it turns over, but don`t know whether I have live to the + coil .....yet ...till I start over in the morning.Crack that and I`m home and dry as every gauge/light/switch works Give us a clue....reading line drawings has sent me word blind Quote Link to comment Share on other sites More sharing options...
thescrapman Posted November 18, 2018 Share Posted November 18, 2018 Crappy earths Mike especially the rear lights, nothing should need anything else connected. Quote Link to comment Share on other sites More sharing options...
Velocita Rosso Posted November 18, 2018 Author Share Posted November 18, 2018 I thought I h responded to say I had found my problem... No crap earths ..all new harness all new metal etc Just my stupidity in forgetting something.....🤐 Quote Link to comment Share on other sites More sharing options...
RobPearce Posted November 18, 2018 Share Posted November 18, 2018 Colin is wrong. On a Mk3 Spitfire the rear lights are all isolated from the bodywork and the earth connections are daisy-chained, so you need the left-most one connected before the next-left-most will work, and both of them for the middle, and... Quote Link to comment Share on other sites More sharing options...
Velocita Rosso Posted November 18, 2018 Author Share Posted November 18, 2018 Yes I know, the whole harness is brand new and that`s how they are bound My problem was with: not being able to get a spark having an ageing brain who forgot about an ignition, cut out switch fed into the loom 😲 😲 Quote Link to comment Share on other sites More sharing options...
RobPearce Posted November 19, 2018 Share Posted November 19, 2018 Yes, well, having wasted several hours looking for the weird mis-wiring that made my headlight relays behave strangely... only to realise I was looking at the switch positions upside-down... I can sympathise! Quote Link to comment Share on other sites More sharing options...
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