I have a 2014 NE and I run Heated Socks that take 2.2 amps and a jacket liner that draws 6.4 amps. For a total of 8.6 amps. Also a GPS that takes next to nothing so I'm not counting that. I want to add heated grips that draw "under 4 amps". That's 12.6 amps in "extra" loads. Still ok?