This is a modification that allows you to use a upgraded fan inside of the Bambulab p1/x1, The honeybadger 5015 fan, without a lot of effort, just splice, solder and heatshrink as follows,
P1
Original Wiring Function Fabreeko wiring
White PWM signal to the fan Blue
Light Grey RPM signal from the fan White
Dark Grey +24v Red
Black GND Black
X1
Original Wiring Function Fabreeko wiring
White PWM signal to the fan Blue
Light Grey RPM signal from the fan White
Black +24v Red
Dark Grey GND Black