no power to #20 fues on 1996 Dodge Ram Van 2500

I am not getting any power to the # 20 fuse that gives power from the battery to the interior lights and the radio to keep the presets and the clock
All other fuses work
Is there an inline fuse and were should I look?

Asked by for the 1996 Dodge Ram Van 2500
It's going to be really difficult without a wiring diagram that shows you the wire location and color.
You might find a free wiring diagram here: or go to or and get an online repair manual subscription.