Selling a set of wiring harnesses including the PAC OEM-1, AMP-RCA, and ADD-CHR. This set up was used for a 1999 Jeep Grand Cherokee. The PAC OEM-1 and AMP-RCA should work with nearly any vehicle. The ADD-CHR works with the 1999-2001 Grand Cherokee and possibly other Dodge/Jeep/Chrysler vehicles. PAC makes other vehicle specific harnesses in place of the ADD-CHR to use the OEM-1 with other vehicles.
This system allows for hooking up an amplifier to a factory stereo system without any wire splicing.