reprograming door remote for a 95 rivera

Can someone guide me on how to reprogram a door remote for a 95 rivera.


Thanks

here's how to do it.
Turn ignition switch "off"
Using a fused jumper, jump data line connector terminal 8 (blk/wht) to terminal 4 Blk close all doors
turn ignition switch "on" door locks cycle
press and hold lock and unlock button on one transmitter alter a 30 second delay the doors will lock and unlock
repeat step to program extra transmitters
do not turn off ignition, if switch is turned off the first transmitter will become inoperative.
disconnect jumper from DLC