WIRING HARNESSES
Using high quality materials, Trig harnesses are fully tested, quality controlled and will provide you with a reliable, faster and easier installation. These harnesses are intended for light-sport, experimental and homebuilt aircraft owners.
COMPATIBLE TRIG PRODUCTS
Trig wiring harnesses are designed to be used with Trig compact transponders, with the option of including wiring for the TN72 GPS.
Specifications:
| Product / Model | TT21/22 to TC20 | TT21/22 power + ground | GPS input + ground | TT21/22 to TN72 | TN72 power + ground | Sales part number |
| Transponder short | 100cm/39 inches | 300cm/118 inches | 300cm/118 inches | N/A | N/A | 01989-00 |
| Transponder short plus TN72 | 100cm/39 inches | 300cm/118 inches | N/A | 100cm/39 inches | 100cm/39 inches | 01991-00 |
| Transponder long | 300cm/118 inches | 300cm/118 inches | 300cm/118 inches | N/A | N/A | 01990-00 |
| Tranponder long plus TN72 | 300cm/118 inches | 300cm/118 inches | N/A | 100cm/39 inches | 100cm/39 inches | 01992-00 |
Versions:
| Product / Model | Length | Sales Part Number | |
| Transponder short | 100cm/39 inches with GPS input + ground wires | 01989-00 | |
| Transponder short plus TN72 | 100cm/39 inches with TN72 GPS connectors | 01991-00 | |
| Transponder long | 300cm/118 inches with GPS input + ground wires | 01990-00 | |
| Transponder long plus TN72 | 300cm/118 inches with TN72 GPS connectors | 01992-00 | |
WHAT’S IN THE BOX
- Trig wiring harnesses ship ready to use.
- All Trig products come with a two year warranty, starting from the day of installation.
FREQUENTLY ASKED QUESTIONS
How do you connect Trig wiring harnesses to the aircraft electrical system?
The wiring harnesses come with connections for power and ground. A circuit breaker as specified in the installation manual should be used.
I need to remove a connector to install the harness in my aircraft?
In most installations, simply connect the wiring harness to the Trig unit and stow any excess wire in a safe and tidy way. If you need to remove a connection D-Sub to route the wires through a tight space in your aircraft, we recommend that you use an inexpensive crimp removal tool.
1. Open the Controller D-Sub connector – this is easier as there are fewer wires in this connector.
2. Use a crimp removal tool to carefully take out each wire and its connected pin.
3. Route the cable through the aircraft in a safe method.
4. When complete re-insert the pins into the Controller D-Sub.
5. Check and test the connections are correct and working.
This avoids having to cut wires and retains the superior reliability that a crimp connector offers over a soldered wire.
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