There is no junction box.

A red 12 ga wire from battery pos goes thru rad support, heads towards drivers side but gets lost in tape. It all exits by the windshield washer bottle.

The existing crimp-on butt connectors I left alone(for now).
Removed wire nut, soldered the 3 wires, shrink wrap them.

For now, Im going to call it good, take it for a ride. Will bring multimeter.
If it dies,
... will check battery volts
... will check power to distributor
... any other place I should check???

Thanks much,
...don...