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I ordered the ML center dash radio faceplate, brackets, screw and bolts. A local stereo installer mounted my Avic-Z2 in the new bezel, installed a steering wheel interface so that I could continue to use the steering wheel controls and used the Metra 70-8113 amp/radio harness. The problem: No audio. The steering controls work. Volume level changes on the Avic, radio works, Nav works, everything works, EXCEPT SOUND. I found this thread while searching: http://us.lexusownersclub.com/forums...hp/t24774.html I know this is not the same model Lexus as mine and there's no resolution posted anyway. Has anyone done this successfully? Please help! Thank you, Scott

I'm interested in this answer also. I bought all the pieces you mentioned above, took them to a local stereo shop, and had it all assembled with my Avic-Z2. Looks great! Unfortunately, the shop didn't have any suggestions for wiring it up other than hardwiring everything. If you don't mind my asking, what was the total cost of all the parts. Thanks. I paid $105 for the parts. I live in Las vegas and the local dealership sucks for pricing. I ordered the parts online from Superstition Springs Lexus. They are located in the Mesa, AZ area. They have an online parts request form, which I completed, and I was contacted almost immediately via email by a parts rep. Very good communication and excellent pricing. I happened upon them when I ordered a cargo net for the trunk off of Ebay from a seller named SSLexus. Here's a link to their parts ordering page: SS Lexus parts order page

I'm interested in this answer also. I bought all the pieces you mentioned above, took them to a local stereo shop, and had it all assembled with my Avic-Z2. Looks great! Unfortunately, the shop didn't have any suggestions for wiring it up other than hardwiring everything.