Splice interior 12V connection for TV?
I have a Flagstaff 12RBST A-frame without a 12-volt connection (cigarette lighter socket) installed inside. I would like to hook up an interior connection for a 12V television. The pre-installed CD player is in the same general area of where the TV will go, and it has what look like about 10-gauge wires to supply power. The TV I am planning to get is a 19-inch LCD. I don't know the wattage yet, but it will not be a lot (EnergyGuide rating is $5/year). Is there likely to be any problem with splicing in an extra wire with those those to supply the TV?
Thanks for any help you can give!