WHO4 MUD Posted March 1, 2012 Share Posted March 1, 2012 hia im having problems with a drop in voltage info ok when i turn on the lights, heater, indicators, window wipers on i get a drop in volts the thing that is getting effected by this is the stereo keeps turning off and if i have all these things running it turns on and off constantly. at the same time running with non of the above on my temp gauge reads correct but when i start turning things on the gauge starts going up the staying high. also horn dosent work thinking about it i havent checked that the resistance when the engine is of but the ingnition lights etc are on reads 6 ohm when the truck is on it reads 50 taking the reading from the fuse of the stereo. has any one got a wire diagram that might help. any suggestions as to finding the problem. Is there a main relay for the power going to all of theys things Quote Link to comment Share on other sites More sharing options...
landroversforever Posted March 1, 2012 Share Posted March 1, 2012 Not on a Td5, but I had very similar problem when my battery was shagged. Quote Link to comment Share on other sites More sharing options...
GBMUD Posted March 1, 2012 Share Posted March 1, 2012 Look towards the earths as well as the lives. Chris Quote Link to comment Share on other sites More sharing options...
western Posted March 1, 2012 Share Posted March 1, 2012 you haven't stated what year your vehicle is, the '99 td5 wiring diagrams here http://forums.lr4x4.com/index.php?showtopic=69934 if later then go here http://www.legionlandrover.com/manuales/electrical%20schemes%20-%20defender%202002%20uk.pdf Quote Link to comment Share on other sites More sharing options...
Gaz13 Posted March 2, 2012 Share Posted March 2, 2012 Earths in general and check the Earth header on the bulkhead just behind the radiater expansion tank, or something common on the feed side like the ignition switch. Gaz Quote Link to comment Share on other sites More sharing options...
vulcan bomber Posted March 2, 2012 Share Posted March 2, 2012 Its an earth issue, the give away is the temp gauge rising when you turn stuff on. Quote Link to comment Share on other sites More sharing options...
WHO4 MUD Posted March 5, 2012 Author Share Posted March 5, 2012 Fixed it was the earth behind the radiator exspantion tank thanks a lot guys mega appreciate the help can't believe I didnt know that was there Quote Link to comment Share on other sites More sharing options...
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