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**WIDESIDE72** · 11-11-2015, 12:58 PM

I had a mid 80's truck with a similar problem. I'm not sure if it was factory or not but the sockets were full of grease. I assume it was dielectric grease, but it was all dried out and was causing high resistance. It wasn't enough to blow the fuse if the headlights were of but with everything on it would blow the fuse as soon as I touched the brake pedal.

11-11-2015, 12:58 PM	#5
WIDESIDE72 Senior Member Join Date: Aug 2008 Location: Cedar Park, Texas Posts: 7,500	Re: 1970 pickup fuse blows when brakes and? I had a mid 80's truck with a similar problem. I'm not sure if it was factory or not but the sockets were full of grease. I assume it was dielectric grease, but it was all dried out and was causing high resistance. It wasn't enough to blow the fuse if the headlights were of but with everything on it would blow the fuse as soon as I touched the brake pedal.