Quote:
Originally Posted by ndutton
It's my opinion the override adds unnecessary wiring complexity to a basic A-4. There is ample residual fuel in the carb bowl to get the engine started without any help from the fuel pump. Once started the oil pressure rises so quickly it seems the fuel pump starts instantly (I have a fuel pump indicator light on my engine panel so I keep a close eye on it).
If you're a keep it simple sort, I'd avoid the start switch override altogether. Simpler to wire in the first place, simpler to troubleshoot later.
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I have a manual button for the override. If I have run the fuel out after shutdown, I use it. If the engine was just turned off still showing fuel pressure, it is not needed.