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Old 04-23-2013, 09:03 PM   #23
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Join Date: May 2007
Location: az
Posts: 1,236
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I have your answer. This has worked on a couple of hobbywing/speedpassion esc's so far and should work on most any esc. Plug in a battery and check for voltage on each side of the switch. One side of the switch should have the same voltage as the battery. Now disconnect the red wire from the esc going to the rx and connect it to the switched side of the switch. Just remember if you run a 3s pack that the servo and rx will be getting the same voltage as your battery. You now have the same factory switch controlling everything as it should. I actually pulled my esc apart and changed the wires at the board. It takes me about 5 minutes to do it now.
The servo goes to wherever you set the failsafe to when you turn the tx off and leave the rx on. I burned an expensive servo up this way years ago.
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