Worked on 42CiS/U-07 by studying the ELT, it turns out that the DIN connector that the ELT manual calls for being fabricated already came with our main harness.
42MiS/U-04 AV-00012 antenna was installed.
42MiS/U-12 The XPNDR cabble was attached to AV-00012.
42CiS/U-11 The OAT probe was tightened using the plastic nut.