@bradsena there are two conditions you must observe for avionics master
AVIONICS MASTER ON
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IF SWITCH_ENGINE == 0
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IF SWITCH_ENGINE != 0
d16a39bf-4940-4674-99f6-a754519fa03d-image.png
AVIONICS MASTER OFF
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IF SWITCH_ENGINE == 0
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IF SWITCH_ENGINE != 0
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I setup my Avionics Master switch and it`s working fine.
Hope it helps.
Regards
Anderson