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86’ ram van blowing fuse. Help!
#771748 February 21st 2021 7:30 pm
Joined: Jan 2021
Posts: 9
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stranger
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Joined: Jan 2021
Posts: 9
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.

Re: 86’ ram van blowing fuse. Help!
dwade277 #771763 February 21st 2021 10:51 pm
Joined: Jan 2014
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Likes: 30
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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.


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Re: 86’ ram van blowing fuse. Help!
dwade277 #774595 April 14th 2021 6:44 pm
Joined: Jul 2020
Posts: 64
Likes: 1
journeyman
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journeyman
Joined: Jul 2020
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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.


1988 B250 Conversion Van
https://i.imgur.com/uQPPuqo.jpg

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