GM LAN Data Bus Interface with Chime Retention
Designed to be used in non-amplified vehicles or in vehicles that the OEM amplifier is bypassed
Does not retain OnStar
Retains all the factory warning chimes that would be lost when the OEM radio is removed
Provides a 10 amp 12 volt switched accessory wire for proper radio operation
Provides 12 volt DC 3A accessory output
Retains warning chimes with built in speaker