Maybe a stupid ? but how do you know which is the supply side and which is the load side on the fuse?
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05 3500 Yellow 6 speed, Mega cab dually fenders, Rumble Bee Scoop, Edge Juice w/ A2, Striker 2, Valair 3600 DD, 5" Silverline exhaust, Icebox with torque tube, Rokkteck, Quad Rail Gauge, Mag-Hytecs, Brite Box w/ Fogzilla