Some documentation of my wiring to the MakerX VESC since I am about to connect a BRemote instead of the Maytech one.

VESCFirst cableSecondThirdFourthMaytech RxBRemote Rx V1.3
PPM
SigYellowOrangeYellowOrangePWMSRV
5VRedNC
GNDBlackNC
COMM 
AUXBrownNC
MISO_ADC_EXT2OrangeNC
TX_SDA_NSSWhitePurplePinkPurpleRXDTX2
RX_SCL_MOSIBlueGreyGreyGreyTXDRX2
SCK_ADC_EXT1GreenNC
GNDBlackBlackBlueBlackGNDGND
3.3VYellowNC
5VRedRedRedRed5V5V
Other
Battery +GreenGreenBrownGreyBATBMS+
Motor phaseBlueBlueWhiteWhiteMOT