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Wiring
Posted: Fri Jul 21, 2006 3:42 pm
by cuzza
Hi
I was wondering what the best way is to wire in my uhf radio. It already has an inline fuse on it and I want to have constant power to it, so that i can us it when ingnition is turned off. Can I just wire it straight up to the battery? or is not the way to go.
cheers
cuzza
Posted: Fri Jul 21, 2006 4:27 pm
by festy
Yep, if you want it to be on independant of ignition, just wire straignt to your battery. If you run the negative wire to the battery as well (instead of to the body etc) then put a fuse on that wire too.
Posted: Fri Jul 21, 2006 5:16 pm
by familybus
festy wrote:Yep, if you want it to be on independant of ignition, just wire straignt to your battery. If you run the negative wire to the battery as well (instead of to the body etc) then put a fuse on that wire too.
why would you want a fuse on an earth! theres no need for it and your better off wiring it up to a switch power (ignition) i dont know bout you but a lot of people who go straight to battery tend to leave the radios on and forgeting to turn them off!
Posted: Fri Jul 21, 2006 6:14 pm
by mickyd555
familybus wrote:festy wrote:Yep, if you want it to be on independant of ignition, just wire straignt to your battery. If you run the negative wire to the battery as well (instead of to the body etc) then put a fuse on that wire too.
why would you want a fuse on an earth! theres no need for it and your better off wiring it up to a switch power (ignition) i dont know bout you but a lot of people who go straight to battery tend to leave the radios on and forgeting to turn them off!
im not too sure about the fuse on negative??? but you should wire it stright to your battery so that if your in trouble it should still work regardless of weather the ignition works or not.
Posted: Fri Jul 21, 2006 10:07 pm
by cuzza
Yeah that was my train of thought, just in case the ignition does not work. I should be able to remember to turn it off.
Posted: Sat Jul 22, 2006 6:54 am
by bru21
no fuse on negative. one fuse will protect any circuit in series as it will break the loop! the reason the fuse is on the positive side is so if the wire chaifs through it will not arc and cause fire - hence the fuse should be at the end of the red wire as close as possible to the source