99 Chevy 3500, keeps popping running light fuse.

[GJF]

I am trying to figure this thing out. I checked the bulbs and they are all fresh. But the running lights including dash lights keep blowing the fuse at random. It will work fine for a few days and then it blows the fuse. It is intermittent??? Any ideas?

 

[ak diesel driver]

Check the headlight switch might be melted and shorting in the connector.

 

[Dieseldad97]

It's a short somewhere, but where. Just a guess, but could it be your mutifunction switch in your steering column? Try turning the steering wheel while lifting and lowering your tilt wheel and see if the fuse pops. Hey...it's a free and easy test. Good luck!

 

[GJF]

I just replaced the HL switch it's new??? It did the same thing with the old one too???
Multi function switch????

 

[96 OILBURNER]

If you have trailer wiring, I would give it a look too. I had a similar issue with a raw spot in my trailer harness.

 

[GJF]

Thanks guys,
I found a crimped wire by one of the dually fender mounting nuts. I must have not paid attention to what I was doing when I widened the fenders for the 22"s. :mad2::mad2::nonod: