Noob question; Installing intellitronix digital gauge, (tw: LOTS OF DUMB QUESTIONS)

This is how the wires were on my 73 Duster.
This is the connector on the instrument cluster.


Fuel - Dark Blue
Dash lights - Orange
12V key on - Blue / White tracer
Turn signal LH - Lt Green
Turn signal RH - Tan
High beam - Red 18g
Brake - Blue/White tracer+ / Black 20g
Purple - Water temp
Grey - Oil light