How To Modify MMI 3G AMI Cable For AUX Audio Inputs
There are many AMI cables sold on Ebay and Amazon, some are made not to work due to mis-configured the iPod detect resistance. For iPod and USB drive to work, the iPod detection resistance must be 18.7k ohms (pin 21 and pin 22), for the AMI to be in the AUX External Audio Mode, the …