My 2005 1200 custom is not firing on the rear cyl.I´ve replaced the coil twice. Last time with genuine hd coil.new wires,still no fire.I just purchased the bike about 5 weeks ago.had to rewire all switches,lights, turn signals and the 3 wires going to the coil.man I haven´t had a bike in 9 years.I´m 62 years old & I need to ride.