Bad smell and hissing noise from battery

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California Dreamin
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Re: Bad smell and hissing noise from battery

Post by California Dreamin »

horizontal kipper wrote:Ok today i replaced the voltage regulator brush pack then took readings at both batteries with ignition off starter battery now a 54AH off the polo gave a reading of 12.7 v (the boiled 74AH starter one was giving a reading of 13.2 even after being left in the garden overnight, not reconnected it)
The other 74AH i use as the leisure battery gave a reading of 12.5v with ignition off.
Engine running 54 AH starter reading 13.8v and 74AH leisure reading 13.5v

Should i not be getting the same readings from both batteries when the alternator is charging :?:

As I know yours is an early Westy setup Paul, the split charge 'link' between the two batteries is relatively short so the 0.3volt difference is a little bit much TBH....the split charge wiring on these isn't the heaviest and I suspect the puny relay may well have some burnt contacts creating that drop. (relay is to the side of the leisure, drivers side)

Martin
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ghost123uk
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Re: Bad smell and hissing noise from battery

Post by ghost123uk »

Oldiebut goodie wrote:
horizontal kipper wrote:
Should i not be getting the same readings from both batteries when the alternator is charging :?:

Differing lengths/resistance of cabling/relay will explain that.

And some info on this on another current (ah, a pun) thread here = https://club8090.co.uk/forum/viewtopic.php?f=39&t=119424" onclick="window.open(this.href);return false;
Got a new van, but it's a 165bhp T4 [shock horror] Accurate LPG Station map here

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Re: Bad smell and hissing noise from battery

Post by CovKid »

15v is not the most effective way to get brighter headlamps thats for sure. :D
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California Dreamin
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Re: Bad smell and hissing noise from battery

Post by California Dreamin »

SNAKES ON A BUS :rofl



Martin
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ghost123uk
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Re: Bad smell and hissing noise from battery

Post by ghost123uk »

Image
Got a new van, but it's a 165bhp T4 [shock horror] Accurate LPG Station map here

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