Metra Reverse Wiring Harness 71-2105 for Select GM Vehicles (14/16 Way) Plugs into oem radio Power 4 speakers Can be used to repair a harness where the plugs have been cut off or damaged Reverse Wiring Harness for Select GM Vehicles (14/16 Way) Reverse Wiring Harness for Select Impala and Monte Carlo Vehicles Plugs into OEM Radio Power/4-Speaker One 16-pin plug and one 14-pin plug