I haven't spent the time to troubleshoot it yet. The RX is not loosing signal, both packs have a full charge.  It may or may not be the actual switch, when I first ran the engine up it started dropping and revving, which got my attention, then I noticed it did it at all speeds, so I checked the LED while it was running and I could see it blinking off.   I stopped the engine, pulled the wing off and checked all my connections inside, then gave the switch a firm pull to turn it on and it ran OK, no more drops, so thought well maybe it was the switch, so I took off and after it was up about a minute I heard it dropping off again. It did it a couple more times before I landed it, so what ever it is, didnt get fixed when I rechecked the connections. <div>
</div><div>If the RX is turned off the OPtikill stays on, at least I think it does, or maybe its when the TX is turned off, need to double check, it's one or the other. </div><div>
</div><div>Over the last weekend I had removed the tank and repositioned the ignition, it kept coming loose and flopping around in the cowl, so maybe I pulled a wire loose in the harness. However, if it was a lead to the ignition, would the LED still blink out?  My thought would be either the power connection or the RX connection would cause it. </div>