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I am working on the Moebius skipjack 1/72 model have the SD WTC servos in place but am using a Four channel 75 Mherz radio. The pump power leads are hard wired to the battery and when I connect the pump servo lead thru a y harness to the ballast servo the ballast mini servo does not work but the pump motor shows green light on left movement of channel four stick and red light on right delection if I disconnect the pump servo lead the ballast servo works fine. Any advice from you guys would be greatly appreciated thanks. Happy holidays Mark
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Hi Mark,
That's probably my pump controller you've got. (The round one that mounts directly to the back of the pump?) If so I've run in to that problem before, the pump controller loads down the signal from the receiver to the point that a servo won't "see" it anymore. That's why unplugging either device from the Y-lead will allow the other to work, but they won't play with both of them plugged in.
In theory the solution is a buffered Y-lead, but I say "theory" because I don't know of a specific product to recommend to you. By definition a "reversing Y-lead" would re-buffer the signal, that might be another option.
I hope this helps!Kevin McLeod - OSCAR II driver
KMc Designs -
The reversing y lead sounds promising could you enlighten me as to how to accomplish that thank u for taking the time to help. MarkComment
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