Dave,
You will find that you will have to do a "modification" on the Littlefuse Add A Circuit to get it to fit into the Dodge fuse panel. You will need to file away some of the plastic around the part that goes into the fuse panel because it's too thick. Cut away a little material at the time and check or you will get down too far and expose the metal. I have used 2 Littlefuse Add A Circuits- 1 for the Painless Wiring Kit and the other for hooking up the lights(terminal 5A) for my gauges.
Bill
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Y2K 3500QC, 6 Speed, 4. 10, SLT+, Camper & Tow Pkg. , Westin Chrome Nerf Bars, Mopar Flaps, Reese 20K Hitch, EGT & Boost Gauges, RPM 45 Gallon Aux. Fuel Tank, Highway Products 5th Wheel Toolbox, ECM Controlled PacBrake, Painless Wiring Kit, Mag-Hytec Diff. Cover, Rancho 9000, 80% Towing Hitchhiker II 31', 2 slideouts, 19,750 GCW, Lance 990 Camper