ARTEX PRODUCTS / ACR ELECTRONICS, INC.
DESCRIPTION, OPERATION, INSTALLATION AND MAINTENANCE MANUAL
ELT 1000 (P/N: A3-06-2749-1)
Y1-03-0259 Rev. U
Company Confidential
Page 51 of 62
C.
ELT D-Sub Plug Installation
1)
See Figure 25 Harness Plug Assembly.
2)
Select a rubber grommet, supplied as part of the D-Sub housing kit (150-1127), that fits snugly around the
harness wiring.
3)
Feed the wiring harness, ground wire, and buzzer power wire through the grommet, such that the raised collar
end of the grommet is positioned toward the connector end of the harness.
4)
Slide the grommet away from the cable and other conductor ends, such that it does not interfere with
soldering the conductors to the plug (150-1130).
5)
Buzzer ground conductor may be soldered to the cable shield or ground pin for composite airframe
installations (see Figure 21 Typical 2-Wire Installation for Shielded Harness on page 47 & Figure 23 Typical
5-Wire Installations for Composite Airframes on page 49 for composite airframe wiring diagrams).
6)
Solder a short jumper wire (G-switch loop) between pins 5 and 12 of the harness connector
CAUTION:
THE ELT WILL NOT AUTOMATICALLY ACTIVATE IF THE JUMPER G-SW LOOP) IS NOT
PROPERLY INSTALLED IN THE ELT D-SUB CONNECTOR.
7)
Note the pin locations of the harness D-sub connector plug and solder the harness wires in place, referring to
the appropriate wiring diagram.
8)
Fit the plug into one of the housing halves, positioning the grommet such that it fits into the recess on the cable
end of the housing.
9)
Install the bracket washers onto the thumbscrews.
10)
Insert thumbscrews into lower housing half.
11)
Fit the other housing half into place.
12)
Screw housing halves together using the screws and nuts supplied as part of the housing kit.