Metra 70-2054 Amp Bypass Wire Harness for Select 1997-2009 GM Vehicles
This harness can be plugged in at the factory amplifier and run to the location of the aftermarket radio/amplifier
Factory amplifier harness includes 17 feet of 16 gauge wire
One 24-pin plug and one 8-pin plug
No cutting of factory wiring is required
Installation Instructions for Part 70-2054.pdf