I recently did an engine swap. When I first tried to start the truck, the solenoid makes one click and wouldn't start. I found the first problem was that my ignition box's 12V ignition wire wasn't hooked up. I hooked it up and tried again. I finally got the truck to turn over and moved the distributor around to get the perfect timing and got it started. Now when I try to start it, the solenoid makes one click and won't crank. I have checked the starter and it works perfectly. I have replaced the battery, solenoid, and the entire starter wire. I take the electrical test light and when you try to start the truck, I am getting power all the way to the starter. I have a 302 with an Edelbrock Performer RPM intake manifold, Thunder Series AVS carb, MSD 6A ignition box, MSD Blaster 2 coil, 8.5 mm MSD Wires, MSD Pro Billet Distributor, and NGK V-Power plugs. If you have any ideas, I would greatly appreciate them.