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Originally Posted by RickyRover
I recently came upon my Disco and it wouldnt start, the lights were off and the battery is fairly new. I was has anyone with a disco I ever find their vehicle unable to start and that the battery died? Is it just me? or is it the lucas electric system?
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The first thing i would do is fully charge the battery then undo the neg cable
and put a test lamp between neg batt terminal and neg cable terminal to see
if you have a drain of some sort .If you have any kind of drain you must track
drown and isolate the circuit.You can slowly pull one fuse out at a time until the test lamp goes out and when it does that is the circuit where the drain
is you hope you then have to be like sherlock holmes and track down the drain in that circuit.
If no drain then reattach neg batt term start vehicle. Place a voltmeter across
pos and neg terminals voltage should read appr 13.2-14.5 At idle. If reading
lower than 13.2 you want to check your serpentine belt, belt tensioner,if they
check out ok then your alternator might be the culprit.
GOOD LUCK
