Metra 70-8113 Amplifier Integration Harness for Select 2000-2004 Toyota Vehicles<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Factory amplifier interface harness that plugs in behind the radio</li><li>Retains the factory amplifier</li><li>Harness is set up for low level inputs using RCA Outputs from the aftermarket radio</li><li>20-pin connector</li></ul></div><img src="http://ecx.images-amazon.com/images/I/419Oz7C%2BOxL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/515EqvxODhL.jpg" noproxy>