Radio Replacement Interface for Select GM Vehicles with OnStar, Bose and GM-LAN Data-bus
Product highlights
Equivalent to PAC OS-4 (OS4) • Radio Replacement Interface for Select GM Vehicles with OnStar, Bose and GM-LAN Data-bus • Can be used if the vehicle does not have OnStar • Retains the 5.1 Digital audio system in select GM Vehicles
Learn more about the gmahl1The Peripheral GMAHL1 is a plug and play interface that all for the replacement of a GM GMLAN Factory radio. It maintains the operation of OnStar in vehicles with Bose sound systems, amplified audio systems, and also audio systems without an external amplifier. The GMAHL1 has on-board switching that allows audio from the OnStar system to play through the two front factory speakers. This interface retains all factory warning chimes, audible turn signal indicators, factory XM Radio, and rear parking assist system. This is an all-in-one interface that eliminates the needed for multiple harnesses in specific GM LAN Vehicles.
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Manufacturer:
Model Number:
GMAHL1
Weight:
0.90lbs
Internal SKU:
gmahl1
Internal Product ID:
18791
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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:
Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.
