Hook Up drains starter battery
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Hook Up drains starter battery
We bought our T25 last year. All brilliant, apart from a wierd problem when on mains Hook Up. Everytime we connect to Hook Up at sites, all the electrics including 240v socket work perfectly. But by the morning the starter battery is drained dead flat.
Leisure battery works fine and charges fine when not on hook up (ie from starter battery).
I'm not the sparkiest of owners, so any advice gratefully received.
Jim
Leisure battery works fine and charges fine when not on hook up (ie from starter battery).
I'm not the sparkiest of owners, so any advice gratefully received.
Jim
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Re: Hook Up drains starter battery
Do you have a Zig or some other sort of charger/power distribution ??
1987 Westfalia Van, Petrol 2.0 AGG
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Re: Hook Up drains starter battery
and what conversion is it? We might have a wiring diagram for it.MidLifeCrisis wrote:Do you have a Zig or some other sort of charger/power distribution ??
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Re: Hook Up drains starter battery
Maybe a faulty built in charger?
Zoltan
1986 Multivan ex-Caravelle. Van since 2006, running mTDi 1Z since 2008 with Fiat Croma 1.9 TDid pump 2008-2019, custom pump since 2019
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1986 Multivan ex-Caravelle. Van since 2006, running mTDi 1Z since 2008 with Fiat Croma 1.9 TDid pump 2008-2019, custom pump since 2019
5spd custom box 4.57 diff + 0.74 5th
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Re: Hook Up drains starter battery
Yep, got a Numax 1000 battery charger. And it was a DIY conversion done by the guy we bought it off - so possible it's just bodged.
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Re: Hook Up drains starter battery
Mmm - if it's a home brew van then there's probably not much that can be done to help other than encourage you to start following the wires around the van and see what is connected to what .....
.... if the battery is going flat in a single night then:
a) you're doing damage to your starter battery letting it get flat
b) that power must be going somewhere and if you don't know where then there could be a danger that it is shorting to something and that there could be a safety risk ....
Start investigating !!
Oh - and by the way - welcome to the forum !!
.... if the battery is going flat in a single night then:
a) you're doing damage to your starter battery letting it get flat
b) that power must be going somewhere and if you don't know where then there could be a danger that it is shorting to something and that there could be a safety risk ....
Start investigating !!
Oh - and by the way - welcome to the forum !!
1987 Westfalia Van, Petrol 2.0 AGG
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Re: Hook Up drains starter battery
Thanks. Was holding out hope there was a known fix to this, but here's to a weekend following wires! Thanks for the advice anyway. Will be back when I hit the next problem.
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Re: Hook Up drains starter battery
Well - feel free to post pics of the van wiring or any drawings you can make of the wiring and perhaps folks can help you track down the issue ......
1987 Westfalia Van, Petrol 2.0 AGG
Re: Hook Up drains starter battery
Jimandcharlotte wrote:We bought our T25 last year. All brilliant, apart from a wierd problem when on mains Hook Up. Everytime we connect to Hook Up at sites, all the electrics including 240v socket work perfectly. But by the morning the starter battery is drained dead flat.
Leisure battery works fine and charges fine when not on hook up (ie from starter battery).
I'm not the sparkiest of owners, so any advice gratefully received.
Jim
Sounds like some of the DC equipment is wired to the Starter battery perhaps, and not the Leisure battery..??
( So you think AC is charging battery that the load is on, but really something is wired to the starter battery instead - which isn't being charged )
Could try disconnecting Leisure battery, and see if any DC powered equipment still works..??
( like one of the lights, or pump, heater or 12v power outlet etc etc )
Just a thought.
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Re: Hook Up drains starter battery
It really is going to be multimeter o'clock.
What voltage are you seeing at each battery, when on hookup?
What fuses do you have for internal 12v equipment?
What voltage are you seeing at each battery, when on hookup?
What fuses do you have for internal 12v equipment?
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