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I'll have to go look at the circuit board to see what is on it and see if we can reverse engineer it. I'll post up pictures tomorrow of it, don't feel like going to grab it out of the garage now...work was exhausting today.

Yes, It's been back in the truck and hooked up for a few days now. Truck has started every time I've tried it now...seems to be working perfectly. Previously I was also having an issue with one of the ABS systems not doing it's start up "clicks"/self test...but now it works every time...not...

Well, to be honest, I'm not an idiot. I would never connect the batteries backwards like some 18 year old inexperienced mechanic in the Army might. I can still tweak the design, the box isn't that difficult to open up. I can install a diode into the control line on both solenoids...would...

Yes, it was a Presto-Lite. The seam around the base/lid appeared to be epoxied on(with paint over it all). I used a hammer and a chisel to break the epoxy up, and then used a screwdriver to pry the seam apart. The OE solenoids were spot welded to the base of the box, I used my drill press to...

Here's my redone box: White wires are just grounds going to the case. I saw another one on here that just had the grounds daisy chained, but I don't like doing that. It's the amateur radio operator in me. Diodes are 1N5408. On the side with the 2 blue crimp on ring terminals, there is a...

I just finished rebuilding my PCB, two brand new solenoids, and got rid of the circuit board. The truck fires right up now(no more beating on the box with a hammer). I'll post pictures of it a little later on. I pretty much followed what a few others have done on here. I'm glad I didn't...

The fuel solenoid isn't working. When I hit the box with the hammer, it kicks on then. When I flip the main power switch, the gauges come on, and that's it. ABS, warning buzzer, and fuel solenoid kick on when I flip the run switch(when it works).

Here's the inside of my PCB: Have we established a way of getting rid of the circuit board? I've seen some very clean looking boxes with just the two solenoids and a couple of diodes attached to them. With my truck, the main power switch would activate the one solenoid just fine, but the...