LED Press to Test indicator features a dimming actuator, LED replaceable lamp, and an amber lens. Military grade panel mount indicator meets or exceeds military specification MIL-L-3661B with high quality black anodized aluminum housing.

The 12V LED is easy to installation and compatible with a 10-15V electrical system. If you do not have an EFIS to connect to, this is a required indicator light if installing in a certified aircraft along with the ETX900-TSO battery. Detailed installation directions are located in the EarthX manual but it is very simple. To install, connect red wire to a positive bus connection, connect the black wire to fault monitoring wire (also black) that is located on the EarthX battery.

The positive wire (red wire) of the LED should be connected to the electrical bus (12volt positive), typically to a fuse/breaker downstream of the master switch. The negative of the LED (black wire) should be connected to the fault monitor wire (wire out the side of the battery) of the battery.

• 1: Install the 12V LED light thru a hole in your control panel.
• 2: Cut the black wire to length desired for your installation so the LED’s black wire reaches the battery.
• 3: Use a wire stripper to remove ¼" of the wire. Then, attach the "male" spade connector to the black wire. Crimp the male spade connector to black wire.
• 4: Plug the male spade connector into the end of the pigtail wire from the battery.
• 5: Connect the red wire to an electrical bus fuse/breaker (.25-1 AMP). Most of the time it is most convenient to connect to a fuse on the back side of the panel. It could also be connected directly to the positive terminal of the battery with a ¼" ring lug connector.

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