Does not work by itself! Needs the ALDU1 or APU1 to work.
Used for datalogging and PCM reflash on 1995 LT1 setups. Connects directly to AutoProm or ALDU1. Is used primarily on 94/95 GM LT1s.
Does NOT work by itself! Requires the ALDU1 or APU1 to actually interface to the PC!