Posted by chris case [75.36.44.110] on Friday, May 18, 2012 at 23:20:18 :
In Reply to: coil questions posted by mannyc [173.77.221.68] on Friday, May 18, 2012 at 22:42:46 :
They don't spark as well, and get really hot if hooked up backwards.
(+) to switch on a negative ground vehicle
(-) to switch on a positive ground vehicle.