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Posted by Keith in Washington on Wednesday, September 10, 2008 at 12:50:30 :
In Reply to: Re: My trucks are Protected with; posted by Robert N on Tuesday, September 09, 2008 at 17:30:26 :
I started with 10 gage wire to start with. Later I put a bigger wire in. I can not remember the gage at this time and I can't look as I am at work. It is about the diameter of a pencil. Over kill but no heat build up at all and it will take all the current I ever want to draw. THe wire was designed for the battery wire for a car amplifier. I put the bigger wire in when I took out the fusable link as I was starting to exceed its limits.
With the carryall I ran a very heavy welding cable from the batter box to the firewall. Since I am 12 volts I put in a starter relay on the firewall and ran the main battery cable to that. Then I came off the same terminal with a short lead to a high amp junction box that has several fused circuits that I use to run to several fuse boxes that I run. The junction box is fused on the input side with a large fuse then each circuit is fused with an appropriate fuse. I also had a fair amount of weirdness in the electrical system for a couple of years. I solved it by running a ground cable from the frame to the engine, the engine to the firewall (body) and from the body to the frame in a couple of places. THis is in addition to the one at the battery theat goes to the frame. Doing this stopped a lot of problems. One of them was arcing from the transmission floorboard cover to the tranmission. This told me that the engine and did not have a good ground to the frame which I found interesting.
I wired the head lights with 14 or 12 gage wire. I ran the wires from the light switch to the dimmer or headlights. I have the original military light switch. I would do it differently today. I would put a relay in the system and use a lighter lower amp circuit running from the switch to a relay and run the higher amp and larger wires from the relay to the head light. I run Hella H4 bulbs in my truck.
My 51 ffPW also runs Hella lights with a 6 volt H4 bulb. The light is so much better. I do have the original headlights that came from the factory for this truck. I took them out as I did not want ot break them. They are date stamped Feb 13, 1951. The wiring on the 51 PW is all original with the exception of the turn signals that were added and the plug wires.