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So the 50ohm 10w resistor will install before the 2ohm resistor. One wire from the 50ohm 10w resistor will tap into the yellow and the other wire of the 50ohm 10w resistor will tap into the black/ground wire. Everything else u have it wired right
It seems like the inner one is
LM YN 100 Watt 0.5 Ohm 5% Wirewound Resistor Electronic Aluminium Shell Resistors Gold (Pack of 2) https://a.co/d/hPoqC6Z
But I'm not sure on the outer ones
So apparently talking directly from alpharex they said all the 21 model s need resistors on the brake and tail wiring which they were going to ship out but I just checked in today with them and now they are saying that it is 3 weeks out until they get them at there warehouse