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OAT Probe Wiring
Author: Matt Liknaitzky Reference Number: AA-00451 Views: 15966 Created: 2013-04-30 10:06 Last Updated: 2015-02-16 19:06 0 Rating/ Voters


There are 2 Outside Air Temp Probes supplied by MGL Avionics. Only these Ambient Temp Probes (LM335) can be used with MGL Avionics systems.

Standard OAT Probe

The standard OAT probe has a red and a green wire. It is often supplied with a black sheath over most of the length.

Red is Signal
Green is Ground

(Some instruments have a dedicated Ground connection for the OAT probe - normally in the Main Power Connector)

 

Aluminum OAT Probe

The aluminum OAT probe has a threaded body and a nylon nut.

White is Signal
Blue is Ground

Or, in some cases:

Red is Signal
Green is Ground

(Some instruments have a dedicated Ground connection for the OAT probe - normally in the Main Power Connector)

 


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