[an error occurred while processing this directive] Big Red Van - Andy's Bucket-o-Memes [an error occurred while processing this directive]
Big Red Van: Conversion project diary

Friday, September 16, 2005

Sparky tweaks

On the advice of the lovely members of the Self-Build Motor Caravan Club (smbcc.co.uk), I've adjusted my electrical plans slightly:

They've confirmed that using the alternator line to switch the leisure battery should be fine as it only comes live once the engine's turning. Since I've already gone through the trial of finding and running that wire, I'm glad I can use it!

They suggested that I modify my plan to have big fat fuses - 80A maybe - near each positive battery terminal, so that's one at the main-battery end and one at the leisure end. I'll need to buy more parts.

And I can stick with shared earths - probably splicing them into the earth strap that clamps between chassis and the leisure battery's negative terminal. Apparently weird ground loop effects are an audio thing - which must be where I got twitchy about them, as I worked for a while building analogue amplifiers with chassis earths!

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