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when changing my crocdile clips to new quick release ones, on the batterey

 I accidently relaced them the wrong way round. The light was on , I instantly smelt burning and removed the clips. Only on for around 5 seconds. I opened the fuse cupboard and a puff of smoke bellowed out.

 i then changed the terminals around and all seems okay????

the vans a wee bit stinky now - have I done any damage?

no fuses tripped during the time this happened....

D'oh seems I have blown the charger,

Are they easy to replace?

I have cheked the 3 fuses that are obtanable  - all are in tact.

I think I have proably burned something out - due to the puff of smoke.

Does any replacement do the job? Or does it have to be specific??

the van is around 1990,

The 12v system is working, I presume its soley a charger.

Thanks for your help

Gary

thanks ,

but I looking to swap the knackered item - any ideas?

gary

Hi Gary, I did a daft trick like that when I first had my folding camper, so you weren't the first and I'm sure you won't be the last. There weren't loads of things that seemed to be polarity sensitive however the Truma water heater was one of them. Luckyly I had only blown the little 20mm fuse on the circuit board. Good luck mate.

Dave.

Seems just to be the charger. Heater is working fine - touch wood !

The 12v lights etc all work fine.

does this mean that the charger is soleley a charger? and can be replaced with a sole charger.

What about the fridge - its working fine on the 240v, I haven't tested it on the 12v

Gary

Had to replace a charger/power supply on a caravan about 7 years ago.  It was a straightforward job if you've got any diy skill but the unit cost about seventy quid then!