I was able to repair the choke, but it took unwinding it until I found the broken lead.
Great. This HQ-160 has definitely been an educational boatanchor repair for you.
I pulled up the Hammerlund HQ-160 manual, schematic, and parts list.http://www.hammarlund.org/files/HQ_160_ISSUE_3_SCHEMATIC.pdf
I see the L2 is between the T2 and T3 IF transformers (which you previously worked on),
and the HQ-160 parts list only states that L2 is a Bifilar Coil (with tap).Failure of L2 explains why your T2 repair did not solve the problem.
Your solution is the tried and true approach, when the manuals do not state value,
you don't have electronics bench equipment OR you are a financially challenged (poor) college student.