electrical wiring

I've been working on my ranger for a bit now and finally got to the electrical parts which is just hard for me. But im getting it down as I go. I know that all the 12v power for the truck is connected to that side of the solenoid. Just doesn't seem right to have all 3 wires go to one wire. They...

I installed a brand new starter from Autozone this past weekend. (The old starter failed the diagnostics test at the store, so the starter was shot). Still won't start. I had my mechanic from work swing by to check it. He tested the battery, the fuses and all worked fine. He even jump...