Metra 70-1726 Wiring Harness for 2003 Honda Element Factory amplifier bypass harness includes 17Ft of 16 gauge wire Plugs in at the factory amplifier and ran to the aftermarket radio or amplify 15-Pin plug Compatible with the 2003 Honda Element Factory amplifier bypass harness includes 17ft. of 16 Gauge wire Plugs in at the factory amplifier and ran to the aftermarket radio or amplifier 15-pin plug Allows for the installation of an aftermarket radio using the existing factory wiring and connectors