There is a connector that plugs into a plunger on the trans...
You can either use a plug that fits this (if you can find one), or just use 2 spade connectors and run the wiring up to the column where the reverse light switch is up there.
It will be the plug that's connected to the two spade connectors that are in-line with each other... like so: - - I opted to just use a pair of male spade connectors, but you can tie in however you want. The pic below isn't mine, but it's exactly what I did. It also shows you the connector and wire colors for the reverse switch.
You can either use a plug that fits this (if you can find one), or just use 2 spade connectors and run the wiring up to the column where the reverse light switch is up there.
It will be the plug that's connected to the two spade connectors that are in-line with each other... like so: - - I opted to just use a pair of male spade connectors, but you can tie in however you want. The pic below isn't mine, but it's exactly what I did. It also shows you the connector and wire colors for the reverse switch.