sean729 Posted October 12, 2019 Share Posted October 12, 2019 hi there, I have a defender 90 1988, with a 200tdi disco engine. when I go to start her she starts and runs fine, soon as I turn my headlights on (dipped/full)beam the starting motor starts to engage and stay engage until I turn the lights off again. while that happens the vault meter drops in the red. if any ideas would be very thankfull, thanks sean. Quote Link to comment Share on other sites More sharing options...
western Posted October 12, 2019 Share Posted October 12, 2019 I would be carefully examining all the wiring to ensure nothing is trapped/crushed/chaffed between engine/gearbox joint or around the starter/manifold ares & along the inner wings. Quote Link to comment Share on other sites More sharing options...
sean729 Posted October 12, 2019 Author Share Posted October 12, 2019 (edited) okay I will have a good look tomorrow. it doesn't always do it as this is the second time it has since I have owned it. it normally drives spot on. when I turn the lights on the voltmeter jumps about abit as well, would this be a bad earth or wires touching somewhere under dash? Edited October 12, 2019 by sean729 Quote Link to comment Share on other sites More sharing options...
FridgeFreezer Posted October 14, 2019 Share Posted October 14, 2019 99% of the time when electrics are doing something weird that affects more than 1 thing it's a dodgy earth. 1 Quote Link to comment Share on other sites More sharing options...
smallfry Posted October 14, 2019 Share Posted October 14, 2019 If the vehicle is not used much, you may have been "Moused" Quote Link to comment Share on other sites More sharing options...
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