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The center lug I believe runs over by alternator and not sure where it goes as I was not the one that disassemble. Chasing no power , no crank , no start issue.
S110 (Splice 110) splices the fusible link to circuit #2 to your blower motor relay. There is a lot on that circuit (including charging and power distro) that may be your power problems. If that end was just laying on your engine it could have shorted and blown one or more fusible links. Maybe. Basically, from a cursory look, it looks like all the wires off that Battery Junction Block is included in circuit #2. Do you have a multi-meter and a test lamp? Your going to need them to test the circuits. Especially with the fact someone else has had their hands in there. You don't know what they butchered and bandaged together. Highly recommend you get a subscription for your truck at Alldata.com. It will make life significantly easier.
EDIT: Note that I don't know if that terminal end you're holding goes to your blower motor. Kind of doubt it, probably goes to the generator, but I don't know without you having some test equipment. Was only answering you're initial question from the other thread.
Ok I got on the all data. Off the junction block was hard to guess as they go right into the firewall. I will grab the tester and look in that direction. Thank you very much
Alldata has great easy to follow wiring diagrams, both OE and Non-OE. The Non-OE will give you the colored diagrams. Personally I think I would isolate all the fusible links and just check for continuity to see if any are blown. Removing them all from the Battery Junction Block (noting where they are). Then take a test lamp from B(-) and start with circuit that has S119 and go from there. Let us know if you need any help.
EDIT: Just so you know, the main difference between the two types of wiring diagrams is the OE gives you circuit numbers, while the non-OE is displayed in color. I use a combination of both of them.
