Teco US TR20 - Manual (Page 9)

Attach the ballast by screwing the ballast onto the strut
supporting the compressor.
Pull the wiring harness forward and attach the harness to
the ballast mounting plate with a zip tie.
Use zip ties to gather wires together.
Clip excess plastic from zip ties with wire cutter.
(continued)
Step 4
Installing The Wiring Harness