Posted by Daryl in Oz [210.50.228.4] on Saturday, August 20, 2011 at 21:37:30 :
In Reply to: 12 volt coil wiring question posted by Robert Kosusnik [209.165.147.221] on Saturday, August 20, 2011 at 21:23:31 :
Power supply goes to positive for a negative earth system.