I don't have that particular combination diagram drawn up. As noted above, I recommend using a
TS-400-64T system - it is easier to install.
Referring to the 1965 Thunderbird diagram, it shows that both the RR (orange/blue 5) and LR (green/orange 9) turn signal switch output wires are tied together to the orange/black (458) wire, to provide the indicator relay input.
Looking at the indicator relay with the pins up, and the bracket away from you, the pins are oriented: orange/green, brown, orange/black.

The indicator relay brown (694) wire connects to the turn signal switch indicator light input. Indicator light output is directed to the right (red 362) or left (yellow 363) fender indicator lamps.
The indicator relay orange/green wire connects to the orange/green wire in the
sequencer pack.
The RF TS switch output (2) connects to the violet (441) wire in the
sequencer pack. (Not to the front bulb!) The original RF front bulb white/blue (2) must be disconnected and connected to the
sequencer pack (449).
The LF TS switch output (3) connects to the white (440) wire in the
sequencer pack. (Not to the front bulb!) The original LF front bulb green/white (3) must be disconnected and connected to the
sequencer pack (448).
Note that the brake power is not fed through the turn signal switch on a 1965-66 but controls the brake light relay green/white (475) in the
sequencer pack.
Switched 12V power is provided on the red (474) and the relay output is connected to the green 476) in the
sequencer pack.