Vannin' Home Forums Dodge How To (Dodge) 86’ ram van blowing fuse. Help!

I have a 1986 ram van 250, 318. My dash lights don’t work. I think I’ve narrowed it down to the light switch but I’m not sure. Fuse number 6 is a 30amp and blows when turn the head lights on. My multimeter reads 14.20 volts at the fuse when the light switch is on! It’s like it’s hooked up straight to the battery which also also .reads 14.20 when the engine is running.
I think I’m going to order a light switch and hope for the best.
Any pointers would be appreciated.

Sounds to me like you might have two wires exposed in the harness and touching each other allowing the battery voltage to spike or a bad ground somewhere. Just my 2 cents as I'm not an expert.

Try and chase the headlamp wires, look for any chaffing. I looked inside a harness and the splices are just bare wires wrapped up along with all the other wires. Won't take much for the sharp solder edges to vibrate their way thorugh some insulation. Switch is well worth a try.