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#1
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Gear Horn issues
With my '70 C337E. When the gear is up and throttles open horn sounds . Press to test the green light, light comes on horn quiet. When gear goes down, horn quiet, green light on.
Did anyone find a solution?? 
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#2
11-08-12, 10:24 AM
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HEW
What about your throttle body switches on the engine? Are they adjusted correctly? They should sound the horn when the gear is up and the throttles are pulled back to low power. It is a warning system to alert you that the gear is not down. One on each engine
__________________
Herb R Harney 1968 337C Flying the same Skymaster for 47 years
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#4
11-11-12, 10:27 PM
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Intermittent faulty throttle microswitch
Got rid of the noise of the gear warning horn. One of the throttle body switches had an intermittent fault which didn't show up on ground testing but then did so in the air and occasionally went away. While waiting for a new microswitch we simply bypassed the microswitch allowing the other engine to provide the gear-up throttle closed warning. If we had just disconnected the ground from the warning noise box we would have lost all warning sounds. Nevertheless, I had trouble hearing the horn anyway as I have good noise cancelling headsets!
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