Wiring the 55 Wagon; rear taillights, brake lights, back up lights.

Tail lights first.

Pulled my rear harness through and hooked up the tail lights. Nothing. So I checked connections and the factory diagram against the aftermarket harness and figured it was likely a ground issue. Ran a ground test wire and the passenger side lit up. I modified the taillight assembly with a separate ground wire. Ran it to the frame with a star washer and hit the light switch and the passenger side lit up.

Duplicated everything on the driver side and nothing.

Heres my troubleshoot:

1) modified taillight housing with a separate ground wire to frame with star washer
2) verified that wire feeding taillights was hot
3) verified that current was running through pig tail and that black wire was hot.
4) changed 1157 bulb twice
5) removed pig tail and checked contacts and ran a test light off both feeds. It lit up for the tail light feed.

OK, still no taillight driver side.

The only thing I can think is that the taillight housing is not allowing bulb contacts to align with pig tail contacts.

What am I missing?

S