Vehicle & Technical > Defender

12v to 24v

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unknownmanxman:
Hey,

Right, ive got a 24v horn but want to run it off my landy's 12v electrics..

There must be a way of doing this...

Anyone got any ideas how?


Thanks

hobbit:
Not that easy to drop from 24 to 12 is a doddle, the other way not so, one way is to mount 2 batteries connected up for 24, and have another charging system to charge them, ie a 24v alternator mounted, or just re charge the batteries when parked up from a charger

Invertors from 12 to 24 not very common though for onboard use, you 24v horn should work on 12v but be rather weak

beast5680:
the quickest and easiest way is to fit a 12-24 inverter but why you want a 24v horn?

unknownmanxman:
Thanks,

The horn is an air horn from a truck, it really loud but its 24v it needs the power to open a valve within the horn to let the compressed air through....

would an inverter still work?

More batteries etc seems a bit expensive just for a horn

Thanks

beast5680:
an inverter should work ok you just need to make sure its big enough, only prob is they,re not that cheap either :?

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