Thank you to everyone who offered some advice here. The rewiring is complete and the drill press is running again.
Quick summary of how this landed in case it's helpful for anyone in the future...
Checked continuity on motor wires to confirm red/green and black/yellow pairs and labeled each...
Great progress here. I used WillyBoy's suggestion to check continuity and was able to figure out the colors for each wire (I had red/yellow mixed up). I got a new power cable and connected it directly to the motor using the wiring diagram. I bypassed the switch just to see if it would come to...
Thank you for the suggestions. I'll try one more time to sort out the current state of the wiring. The suggestion to check the wire color beneath the wire nuts is a great call.
My wife's grandfather gave me his vintage Walker Tuner 900 Series Drill Press when he shut down his shop. It was in good working condition when I took ownership. I've had it in storage for about 8-10 years and would like to put it back in service, but I'm in over my head on the wiring. The plug...