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Old 06-25-2018, 11:52 AM   #5
78F350
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Join Date: Jul 2014
Location: Oklahoma
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Can anyone tell me where the signal ground comes from? Looked for the pinout for the DME, but no clear answer. Any info would be helpful. Thanks.
A quick look at a '97 diagram I found online shows that the ground for the pulse comes from pin 33 on the DME.

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