"VHFRadioBuff" wrote in message
... for anything other
than the cigarette lighter. There is no rating in the book
or on the cap for the accessory port that tells the max amps that can be
drawn.
It looks like I'll have to run wires to the battery after all.

In the manual it should say what fuse covers what circuit, and what it's
amperage is. My guess is your acc. port is a 20A circuit.