i got the 1/16 scale e-revo i got it a couple years back i have been doing some work on it since it wasn't working i thought i just take it apart and see if i can find anything the speed control ez set XL-2.5 (https://traxxas.com/products/parts/escs/xl25lvd) wont turn on so i tired to turn it on wen i had unplugged it from the receiver (https://traxxas.com/products/parts/6519) and it turned on just fine but wen i plug it back in it turns off looking for someone who may know something ..... thanks for your time