1993 Buick Riviera

How to reach the PassKey Decoder Module (PDM) and install the PRO Full  Bypass


The PDM is under the Left side of the dash above the parking brake area.



  1. Remove the PASS-Key® I module (PDM)  from the bracket (1).
  2. Disconnect the electrical connection(s).




                       PDM Connector


Unplug the PDM and leave it unplugged, the PRO module replaces the TDM.


If the enclosure of your NEWROCKIES PRO Module is green and blue, please setup the switches as following (if enclosure is black, please submit a request to our support team for correct switch configurations): 


Open the NEWROCKIES PRO Module's cover (this will NOT void the warranty) by removing the 2 screws on the bottom. Inside there are 2 sets of switches.


Set SW1 (8 switches) as following:

1 2 3 4 5 6 7 8
off off on off on off on off


Leave SW2 (10 switches) the way it is. Close the PRO Module's cover.


To install the NEWROCKIES PRO Module, connect it as following (the PDM should be left unplugged as it is not needed anymore):


Pro Bypass        

Car Wires


Attach to the Pink or Pink with a black stripe in pin A2


Attach to the Black or Black with White stripe in pin B5


Attach to the Yellow with a black stripe in pin A4


Attach to the Dark Blue wire in A3








Do NOT plug back the original PDM. The PRO Full Bypass replaces the TDM.



IMPORTANT: If your car still does not start, please follow the troubleshooting directions for PASSKEY 1/2/3 Systems before contacting our support team. This will make it easier and faster for us to handle your support questions and will enable us to serve you better.


The installation is completed.

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