Non Versatile-Link radios will not recognize this cable. In order for the radio to recognize this cable it must be "VERSATILE LINK READY". Frequently asked question 1. My Alpine radio has a cd changer port on the back, will this part work? A-- Yes, but only if the radio is V-LINK ready and will also work on NON-VERSATILE LINK radios with a pink/black wire in the power/speaker harness. 2. I already have an Alpine CD changer connected, will i have to sacrifice the cd changer to use this cable? A- YES, you must disconnect the CD Changer. Use PIE's ALP/Ai-AUX interface to retain CD Changer and provide an aux input. 3. I understand Alpine has two bus systems, ai-net and m-bus, how do i identify an Ai-Net radio? A- Alpine Bus systems can be identified by looking at the 3rd letter in the model number-- if it's an "A" then Ai-NET, if it's an "M" then M-BUS examples: CDA-9811 (Ai-net), CDM-7874 (m-bus)