With having the H4 configuration figured out on the headlights and getting the left side light sockets wired in, I moved on to the right side to get those done. Of course they would be a duplicate of the left side, given all the colored wires. Another thing that needed to be addressed but was already figured out was the extra wires in the wire harness that went to the headlights, and parking lights by extension. I figured that the extra wires were for the turn signal light fixtures as well. First things first, getting the right side headlights wired up. Because of a little mishap on the left side regarding the wire that turned out to be a chassis ground on the old headlight circuit, rather than un-solder the wires and redo them, I just popped the terminals from the plug and swapped them around to be in the places I needed them to be in. I had to do the same thing with the primary light socket on the right side so the colored wires matched up to the left side. After this little detour, I got everything wired up, soldered up, covered in heat shrink tubing and zip tied to make things nice and neat. Enough wire was used to give proper spacing between the light sockets so there is no undue stress on the plugs when they are in place. Even then with the newer H4 LED's, most of them have pigtail plugs that will give more than enough cable to ensure no stress on any plugs. The next thing was the extra wires in the wire harness. I had a light and dark blue wire and a darker brown wire. Already knowing what was up I checked out the wires going to the side marker lights, and sure enough, the left marker had a light blue wire and brown light and the right side marker had a dark blue and brown wire. At first I hooked up both blue wires to the 12v power feed for the headlights, since the side markers would be a cool feature to have, just for shits and giggles. But then after looking at the turn signal light fixture, I found that it was a two filament bulb that also had a blue wire on it, light blue for the left and dark blue for the right, plus two brown wires, with switched grounds for both filaments. Or maybe the blue wires were the grounds and the brown wires were the power lines. Who knows, either way, that aborted the mission for hooking up the side marker lights to the headlight circuit. Rather than complicate things with this backyard rewiring, I decided to rewire the side markers with the turn signals, which is probably more practical so one can see even from the side when the car is indicating an intent to make a turn, especially since the turn signal light is recessed under the front bumper. With the blue wires cut from the headlight circuit, I added a good length of the same colors of wire to these wire ends in order to give me the extra wire to reach into the cab and up to the steering column. I soldered the extra wire and covered the joints with heat shrink tubing to protect them then tucked the wires in the wire snake going up to the firewall. The two blue wires were fed through the hole in the firewall, along side the wires for the headlight circuit. The brown wire was added to in order to reach the firewall where I have a chassis ground with a couple other ground wires attached. Everything was tucked in the wire snake to keep things neat and of course save on zip ties. As for the turn signals, since the turn signal cam on the steering column is trashed, I will have to do like I did with the 69 Mustang and bolt a metal strap to the side of the steering column holding a SPDT switch that is used as a turn signal switch, in the same way the original switch would've been used, down for left, up for right. I made sure to have enough wire on these two runs to be able to route the circuits up along the routes other wires are taking and up the steering column to where the switch will be mounted. Zip ties will of course keep things neat and orderly. With this taken care of the next target will be the gauge cluster. This component consists of the fuel gauge and clock, both of which will share a 12v power feed, with the clock going to chassis ground and the fuel gauge over to the line feeding the sending unit in the back of the car. There are the two turn signal lights on the gauge cluster that of course will be spliced together with our blue wires from the front and into the switch that I'll mount on the steering column. Lastly, the dash lights to illuminate the gauge cluster will have a power feed routed down to the headlight switch circuit where it hooks into the fuse box. The taillights and these dash lights can be hooked directly to the fuse box since they are of a low enough wattage to be able to be handled on the circuit. The ground for the dash lights will of course go to chassis ground.
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