PLEASE HELP
I HAVE A 1400NI MH BATTERY PACK W/ RED AND BLACK WIRE . I HAVE A AM RADIO AND RECEIVER WHEN I PLUG THE BATTERY IN THE RECEIVER AND THE SERVOS I CANT GET MOVEMENT BUT WHEN I UNPLUG SERVOS AND TEST THE RECEIVER WITH A METER I GET POWER. NOW THE RECIVER HAS ONLY THREE HOLES FOR BATTERY AND ONE FOR CH1 AND CH2. IF I HOOK A SERVO UP TO CHARGER I GET MOVEMENT. CAN SOMEONE PLZ HELP ME I BEEN WORKING ON THIS FOR 1 WEEK???????????????????????