Description:  This is J.W. Speaker’s new adapter wire harness for Peterbilt Trucks 388, 389, & 567, Years 2023 and Older Use this as a plug a play solution when installing the Speaker Model 9600 pod lights into your 2023 and older Peterbilt 388, 389, & 567 truck. Product Weight 0.73 lbs / 0.33 kgs