@AuroraGirl Of course I know you know this but any electrical device with enough load will cause some kind of a voltage drop, depending on length of wire and gauge of the wire. Our squares have a high speed relay like Tory described. For some reason I'm yet to figure out, we see a lot of squares and other older Chevys, some Dodges, but very few Fords at the shop, so I just do not know as much about them.
Ok I got the fog lights installed this morning!!!!!!!
First issue, I couldn't get the old lights off, the bolts were pretty well rusted, I ended up having to get my angle grinder out, ground them flat with the bumper and hit them though with a punch. The left side went perfectly, the right side I slipped and put a little gouge in the bumper. Lucky it's in a spot that you can't see with the fog light installed, but I need to do something to keep that spot from rusting, so I'll take suggestions on that. Other than that everything went smoothly. When I do electrical I'm rather anal about weather proof connectors, soldering joints, and shrink wrapping ect. So there were a couple of connections under the bumper that I wasn't happy with, so I took a little extra time soldering and shirk wrapping. PO wired the lights though a switch under the dash, and I did not change that, IDK it thinner wire than I would have used, maybe 16 gauge, so I'm sure there is some loss there in the resistance of the wiring. Of course I can always decide to run it off a relay if it seems to be a problem.
These are all daytime pics. I'm not planning on being out after dark until Monday, hopefully I'll have time to do some good night time pics then. Of course I'll aim the fogs on the shop wall on Monday as well.
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Above: Lights wired up and installed.
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Above: slightly blurry picture fog lights only on. Sun is out.
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Above, headlights and fogs on. It's worth noting that the engine is not running, so this is how they look run on battery only when the sun is out.
On another note we took the wifes van into the town last night after dark, and the whole time I kept thinking how much better the lights are on the square. I wonder what can be done to improve the headlights on a caravan....