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On all 1991-93 Ram D350 trucks, fuse 15 protects the circuits to Radio & Clock Memory, Power Mirror Interior Lights and Underhood Light.
Please let me know if you need further assistance tracing this short.
Do you have a fuse box Diag I also have zero brake lights !
This is a a van ram 350 with a 5.9
Do you mean a diagram of the fuse box showing fuse location and ID? Is that 5.9 a Cummins diesel?
OK. On the 1992 B350 Ram Vans, fuse 15 protects the stop lamp circuit - so that's why no brake lights. I'm attaching a diagram from Mitchell showing the fuse box and not much more in the way of wiring details.
Being a retired Chrysler/Dodge tech, my database is mostly oem stuff and there isn't a lot on these old trucks, but let me know and I'll try and look up whatever you need that can help you locate this short.
Yeah I'm going to need a wiring Diag for fuse 15 and brake lights. I've disconnected all the trailer stuff and eyeballed all I can ! And fuse still blows.
OK. Here is the OEM diagram in two parts.
Please let me know if you need further assistance.