Hello guys. My gun is a M4 SA-B02 Specna Arms with 120m spring gearbox shimmed and that's all. I decided to upgrade it with 18 AWG, deans and a micro AB Jefftron Mosfet. Bought these, installed and verify. Look how wrong it look: 1- From mosfet to trigger and back, the signal wires have the ressistance of 00.8 ohms( on the 200 Ohm scale of the multimeter). 2- From mosfet to motor(installed) and back, the ressistance of wires is 01.2 ohms. Now the awkward part: 3- Through mosfet, from battery - to motor - it's a closed circuit with 00.6 ohms ressistance. It should be an open circuit, right? 4- Through mosfet, from battery + to motor +, the circuit is open, all good. 5- Now, through mosfet again, from motor + to signal wire which goes to the bottom contact of the trigger it's again an open circuit with 00.6 ohms ressistance. That's allright? One more question: 6- With battery connected, the voltage is going through the signal wires, and when I pull the trigger, the voltage is going as it supossed to the motor cables. Here is the question: The voltage should NOT use the signal wires at all, it's supposed to be stopped by the mosfet and leave through the motor cables just when I pull the trigger right? P.S.: The motor and gearbox it's shimmed and veryfied over and over again, in good conditions. Please, take a shot! Sorry for my bad English!