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503 EGT/CHT sender wire extensions


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I have just received the new replacement CHT and EGT senders for my 503 in the vampire, unfortunately the wire is not long enough to reach the panel and hence the gauges, does anyone know what type, resistance etc is required for a wire extension so it does not give a false readings?


I am currently reading through the Aircraft Spruce and Wicks catalogs, and they have heaps of extension wires but of varying OHM resistances..


Thanks in advance..





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Guest Teenie2

If its only a few feet use any wire. The resistance in a few feet is negligible.A few years ago I did testing,different dimensions and lengths = no change in indicated temp



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