Quick question, can i run a 12v tv tuner hooked up directly to the battery for a day or two, or must it be fused? I dont blow fuses very often, ok, never, so is the risk low and what would cause it to spike?
You can but there is a risk from a short on the cable to the tuner (damage or trapping it etc) or damage to the tuner 'IF' a fault develops in it.
The risk is pretty low though if you are only using it for a few days. Why can't you use the 12v socket (cigarette Lighter?)
Yeah, i agree. Just nipped to halfords for a cig lighter plug, as its a temporary fit i'll just plug it in when in use. I'll have the power supply and two signal boosters wired from this. It has a 5 amp fuse in it so should be ok.