Ignition wiring issues

[71DreamMachine]

Hey I'm needing some serious help on my wiring issues. My 71 c10 was jot wired due to a lost key but then was wired back to the best of my knowledge. Now, a couple of months later, a new battery, alternator, voltage regulator and some burnt wires. My truck is dead. It is getting 13 volts once jumped, and the alternator reads the same. The left headlight went out again which was fixed when installed the new voltage regulator. I can't find any diagram of the 7 prong ignition nor do I know exactly which wire connects to its prong. Please help as my girlfriends daily driver sits patiently.
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