There's a fuse in the lighter plug. I'd suggest fusing the power wire with a in-line fuse holder. You should be able to get one for under a $1 from Ratshack/BB/CC. You don't want to fry your new tuner!
1999 Ford Contour SVT #900/2760 (SOLD)
2005 Mazda 6s
2003.5 Mazdaspeed Protege
1998 Ford Ranger 4x4
