57727 R3 ACM COM to GTR200 April 02, 2024 20:02 Updated ACM to GTR200 harness as radio only (must have external audio panel or intercom). Related to gtr200 57727 R3 ACM COM to GTR200.pdf 300 KB Download Related articles 57726 R2 GTR 200 (with intercom) to ACM Harness 57695 ACM Generic Radio Harness