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post #1 of 7 (permalink) Old 2nd February 2008 Thread Starter
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Flat battery again

Hi to all. I have a scenic 1.9 Fidji diesel 02. I have bought a new battery and had the alternator changed in the last six weeks. I got up this morning and the battery was flat again. I have had both items checked today and have been told they are ok. Any ideas?
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Flat battery again Electronics fadman 6 2025 2nd February 2008 01:47 PM
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post #2 of 7 (permalink) Old 2nd February 2008
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Hi Pete - could be a duff battery (not unknown for new batteries to fail) - take it back and get it load tested and also the alternator at the same time - if all is OK it could be your have leaking current somewhere. I suggest you check the boot light and glove box lights are going out when the should - an easy test is to remove their bulbs and see if it improves
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post #3 of 7 (permalink) Old 2nd February 2008
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Try MadNoel's suggestion. If the vehicle still drains the battery then you will have to conduct a drain test. Which involves connecting an ammeter in SERIES between the battery negative terminal and the earth lead. Then check the current draw. Anything like 0.03 or less is fine. If it is more then you need to pull the fuses one at a time. Checking as you take each one out to see if the drain has gone. When you find the fuse that is controlling the drain then you can identify the circuit that is at fault and you can conduct more tests on that circuit.
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post #4 of 7 (permalink) Old 12th February 2008
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Hi there, I've got a 1998 Laguna RT. I'm having the same issues as many folk in the threads, my battery will slowly drain away, apparently when the car is out of use?
I'm on my third battery and alternator has been checked!
The weird thing is, when I got my friend to jump start it from leads, the battery charged back up really quickly, the car would start absolutly fine for 2 days, then it drains again, everytime I start up, the engine turns over more slowly, until it doesnt have any power at all. Saying that, even if the battery cannot turn the engine over and even if I leave the car a few days, the central locking and internal lights always work?
Is this a typical issue with Renaults? It seems so by the amount of threads, and has anyone actually found the fault?
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post #5 of 7 (permalink) Old 12th February 2008
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I used to get this with the Clio, traced to a poor Earth connection and a loose wire on the alternator
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