Tailgate alignment / adjustment help please

[howzzzit]

Originally Posted by custom10nut

As Richard says, adjust the trunion mount.
If you’ll notice in your picture, the gap on the right side is greater that the left.
Adjust the left side and the issue will be fixed.

Don't know about 69s, but my 72 is tack welded at the side bottoms. No movement there. Like others stated it just needs adjustment.