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WIRING DETAILS FOR TT21/22 HARNESS
Please fill in the form below as accurately as possible and submit. Lengths are in centimetres.
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We will review the details provided and if there are any questions, we will get in touch.

Thu Dec 9 08:05:58 2021
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The Trig TT21/22 is a split unit comprising of a control head that sits in the panel, and a main body that is mounted elsewhere.  All wiring should be measured from where the main body will be mounted allowing sufficient length for routing around the airframe and securing the wires into place.
CONTROL HEAD: cm TT21 body to control head.
(* IF FITTED)    CONTROL HEAD 2: cm TT21 body to second control head.
POWER: cm TT21 body to circuit breaker/fuse.
GROUND: cm TT21 body to ground block.
RS-232: cm TT21 body to serial device. (GPS/EFIS)
EXTERNAL STANDBY: cm TT21 body to standby switch.
SUPPRESS I/O: cm TT21 body to suppression device
SQUAT SWITCH: cm TT21 body to squat switch
EXTERNAL IDENT: cm TT21 body to IDENT switch
ANTENNA CABLE: cm TT21 BODY to antenna (TNC-BNC)
ANY OTHER NOTES: