Changing a battery on a Renault Scenic II - Page 2 - Renault Forums :: Independent Renault forum

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post #6 of 8 (permalink) Old 3rd January 2009
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Originally Posted by DerryUK View Post
<leave the sidelights switched on during the changeover>

Ignore that, I think Asterix is still in 'happy' mode from the seasonal break <s>.

asterix is perfectly correct in saying that, most people would recommend you do so as it minimizes the risk of a voltage spike to the ECU
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post #7 of 8 (permalink) Old 3rd January 2009
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Originally Posted by Asterix View Post
It is recommended that you leave the sidelights switched on during the changeover
I concur, this should be standard procedure.. Some Renaults are sensitive to having the battery disconnected/reconnected and can cause spurious electrical problems. Leaving the sidelights on is known to stop the problem..

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post #8 of 8 (permalink) Old 4th January 2009
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<can cause spurious electrical problems>
Well let's be honest you can get spurious problems at any time.

But I may have missed a trick and I see you are an ex Renault dealer technician what did the Renault service manuals say about battery reconnection on a Scenic II?

Leaving the sidelights on seems to me like an urban myth and I'd be pleased for anyone to explain the theory behind it to me.

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battery , changing , renault , scenic

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