How many gauges can you run off of one tapped wire? I searched for the right wires to tap for power and lighting but they seem to all be the same so I was wondering do I tap all 3 gauges to the same wire or should I find 3 different wires, one for each gauge? I am running electric EGT and Oil Temp and mechanical boost.

its been covered about 230 times but honestly if u look at the flow charts for wire gauges, its gonna take a lot of gauges to max out a piece of 14 gauge wire

ull be fine w/ all 3 for power on one wire, for the lighting power i hooked up a relay and had it triggered off of the signal from the lights on the instrument cluster <dont ask me y such a weird spot i cant rememrber> and powered off of the cig lighter power

The spare plug on the radio harness is 'dimmed' with the gauge lights...a #168 bulb(I colored it with a green sharpie) in autometer gauges approximates the rest of the panel very well.
I grabbed gauge power from an unused relay plug on the fuse pannel.

http://forums.nasioc.com/forums/showthread.php?t=613227&highlight=gauge+lighting

Thanks for the help I will try the hazard light wires.