51 Scenic 1.6 battery goes flat overnight - Page 2 - Renault Forums :: Independent Renault forum

Electronics In Car Entertainment (ICE), Sat-Nav, lighting, wiring etc.

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post #6 of 7 (permalink) Old 22nd August 2007 Thread Starter
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Well checked the suggestions and none of those things seem to be the cause... any other possibilities?
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post #7 of 7 (permalink) Old 22nd August 2007
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I'd be inclined to think its a circuit which has quite a large 'draw' on current, something like the engine cooling fan, for example (rather than the stereo remaining on). Your best bet would be to get an auto electrician to test which fuses are remaining 'live' after the ignition key has been removed. I would presume that only the alarm, stereo (code), immobiliser, and central locking should be the only items which should receive power.

Another possibility (although its a bit of a long shot), is that the new battery has a defective cell - cold starts require more 'shove' than warm starts, so it would be a good starting point (pardon the pun) .

Hope that helps.


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