RED WOLF Parking Brake Override Bypass Video In Motion Interface for all Aftermarket Alpine Video and Navigation units For most alpine stereo For Alpine c860-v6-600 INE-W990 INA-W910 8.3inch

The description of one of the wire locations in the fitting instructions didn't quite match the Alpine manual description, but I took a calculated guess and it worked perfectly

Something I knew little about but needed it complete my car audio installation