I recently had the same problem. The following worked for me: ACC Pin 2 - Auxbus: connect to green wire - Pin 6 on DB-9 ACC Pin 7 - K3 on signal: connect to red wire - Pin 8 on DB-9 ACC Pin 10 - Keyout: connect to black wire - Pin 9 on DB-9 ACC Pin 5 or 12 - Gnd: connect to bare wire - Pin 1 on DB-9 73 Luc/F6HJO