AFC Install Problem

[AWD96TSI]

I was attempting to install my afc yesterday. I used this link VFAQ
for instructions. After I hooked everything up, reconnected the battery, turned the key to power up the afc and nothing. I double and triple checked my connections and they where good. So I thought maybe someone sold me a bum afc. Well this morning I connected the red to the positive on my battery and the brown, black to the negative. Then the afc came on. So I'm confused. Do I have bad instructions? Any help would be appreciated. Thanks

 

[DSM4me44]

Id say its because your black and red wire, one or both, didn't make a connection. Make sure you splice into the right wires on the ecu and try again.

 

[prplhz96]

One time I had an AFC become unplugged. What I mean is the wires that come out of the AFC became unplugged. All I had to do was pull the back cover off, and plug the little wire harness back in.