3500 4x4 Pickup L6-359 5.9L DSL Turbo (1996)
Radio/Stereo: Description and Operation
Radio Memory
CIRCUIT OPERATION
Circuit M1 from the Ignition Off Draw (IOD) fuse (Fuse 17) in the fuse block supplies power for the radio memory The IOD fuse is removed
during vehicle shipping to prevent excessive battery draw.
Circuit A7 from fuse 1, a 50 Amp, in the Power Distribution Center (PDC) supplies voltage to the IOD fuse. Circuit A7 is HOT at all times.