I put it into gear and it dies.

See the ballast resistor?
Follow J2A back to the splice.
Then follow wire J2 dark blue with trace to the connector.
upload_2022-1-14_21-44-56.png
Looks like N
Its going to be a corner position on the same side as the bump.
Drawing orientation doesn't always match the way we are looking at it.
upload_2022-1-14_21-47-47.png
The little bumpouts are the clues.
On that connector the fusible link (A1B) is another good reference. Its the opposite corner J