Metra 70-7713 Wiring Harness for 2002 Isuzu Rodeo with Factory Amplifier Plugs into car harness at radio Power 4 speakers This product is manufactured in china Factory amplifier integration harness 4 RCA Plugs plug to the aftermarket radio's pre-amp outputs 18-pin plug Harness is set up for low-level inputs only using the RCA Outputs from the aftermarket radio Compatible with 2002 - 2003 Isuzu Rodeo with factory amplifier