I had earlier fabricated a Molex connector mount for the engine sensor connections. After discussing this with my neighbor, I decided to change to a sealed Weather Pack six pin connector with pins for #10 &12 AWG wires, so it could also handle the alternator (18 Amp) circuit.
I fabricated a mounting bracket from 0.040” thick 2024-T3 aluminum and riveted it to the alternator mounting bracket, and wired the alternator, carb temperature, fuel pressure, oil pressure, and oil temperature sensors through it.