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#1
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What are you symptoms?
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#2
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The front tach indication was intermittent, then failed altogether. I swapped the front and rear engine magnetic pickup connections to the tach gauge and proved that the fault was not in the gauge. I verified wiring and connections to the front magnetic pickup were good, then removed the pickup from the magneto. It reads as an open circuit on a DMM. I measured the rear-engine pickup and it does measure a resistance, though I don't recall the value at the moment. I have not been able to locate any specs on the part, beyond the old and replacement part numbers.
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#3
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Can you post a picture of this pickup? I might have an extra.
Kevin |
#4
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Is this what you are looking for?
Kevin |
#5
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I had the same problem. Took mine out and replaced with the aerospace logic digital gauge. Its awesome. Would do it again in a heartbeat.
http://www.aerospacelogic.com/index....product_id=238 https://youtu.be/ot-GQDERFvw
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337B Philadelphia PA Last edited by Jhogan0101 : 10-25-20 at 11:39 PM. |
#6
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Did you need an STC for it?
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#7
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From the product page:
Certification / Compliance TSO C49b Canadian STC FAA STC Certified as primary replacement
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337B Philadelphia PA |