Thread: Electrical issues

Did you replace the clamp as well? Probably bad connection beween negative terminal clamp one the battery and cable. Going by what you described. Unless there other symptoms as well. Measure voltage between some exposed metal on the engine or body and plus of the battery.

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If you have that much heat going to earth through the neg. battery terminal you have a MAJOR short of a positive wire somewhere to ground or your earth LEADS are not grounding. You should have one earth lead from battery to engine block, one from engine block to chassis and one from chassis to body. They all must be tight onto clean bare metal and of appropriate thickness to carry the flow, check these first, There should be a fusible link (Wire from + battery post to fuse box next to battery), if it is blown you will have to replace that, but check everything, from loose live wire to earths first before connecting back to battery, or you could have a nice bonfire, otherwise, good luck, Regards Frank.
P.S. Quote: "Knowing land rover I'm sure I'm not the first with an electrical issue."
Having owned Land Rovers for years now, I believe that most problems with Land Rovers are the direct result of lack of maintenance and care by the owners, present and previous and bodgy electrical wiring, so don't get into the habit of blaming the marque for problems caused by neglect or ignorance, Regards (again) Frank.

Thankyou both for your reply. I do already run the triangle of earth leads and this still has this problem all leads are 12mm.

Frank I think its a bit rough your comments saying it maintaince more than brand. No other vehcile I have owned has required extra earth leeds adding to stop electrical issues. I think we all get a little to attached to our cars and forget there are good and bad engineers, designers and factory workers. Land rover have had issues like all brands. Maybe you should google all the new model Ferrari fires and tell me its maintaince not poor design.

Originally Posted by Tdi Nico

Thankyou both for your reply. I do already run the triangle of earth leads and this still has this problem all leads are 12mm.

Frank I think its a bit rough your comments saying it maintaince more than brand. No other vehcile I have owned has required extra earth leeds adding to stop electrical issues. I think we all get a little to attached to our cars and forget there are good and bad engineers, designers and factory workers. Land rover have had issues like all brands. Maybe you should google all the new model Ferrari fires and tell me its maintaince not poor design.

Wasn't having a shot at you, being a mechanic I've worked on a fair few cars and most repairs stem from lack of maintenance or bodgy work, usually by the owner or dodgy mechanics. But to blame this problem (which I have never seen before) on Land Rovers in general is wrong, as you said all makes have problems direct from the factory, but for you to put it back to Land Rover on an 18 year old car is wrong, BTW all motor vehicles have battery earthed to engine, then to Chassis/Body, so if I offended, I apologise, Regards Frank.

Originally Posted by Tdi Nico

Thankyou both for your reply. I do already run the triangle of earth leads and this still has this problem all leads are 12mm.

Frank I think its a bit rough your comments saying it maintaince more than brand. No other vehcile I have owned has required extra earth leeds adding to stop electrical issues. I think we all get a little to attached to our cars and forget there are good and bad engineers, designers and factory workers. Land rover have had issues like all brands. Maybe you should google all the new model Ferrari fires and tell me its maintaince not poor design.

Toyota rav 4 does need extra earthing in some cases apparently it sends ecu crazy! Anyway, back to the point, did you have any progress? Bad connection can melt terminals. Bad connection = resistance. Resistance + cureent = heat. Heat causes connection to be more bad. And there is your vicious circle of bad connection turning catastrophic! I burned my hand on earth strap from battery to body connection when my 60 series didn't want to start a while ago due to bad connection. That can indicate amount of heat that can be poduced potentially. So melting lead on battery terminal is not a problem!

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A friend of mine just had this same problem with a 2005 Defender Td5, it turned out to be a high resistance (dry) joint where the cable went into the lug that goes on the battery terminal, it may have been like that for some time as this Deefer, that he has had since new, has consumed a lot of batteries over the last few years.
Finally a visit to an Auto eleco and $36 later the problem has been fixed. He only picked up the problem by chance when checking around the battery after a run, and it would not really matter how many extra earths you had fitted if the one right on the battery post was resistant.