1990-1993 Cadillac Deville

The Theft Deterrent Module/Passkey Decoder Module  or TDM/PDM  is under the dash, right side.


-Remove the glove box, Disconnect the wiring from the retainer, Remove the Relay center

-Remove the 3 screws from the relay bracket, Remove the relay center bracket.

-Remove the 2 Module screws, Disconnect the electrical connector and remove the module.










Unplug and remove the Passkey decoder module. It has a green plug. The PRO Full Bypass replaces the PDM.


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 off on


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 TDM/PDM should be left unplugged as it is not needed anymore):


PRO Bypass        

Car Wires


Attach to the PINK with a BLACK stripe at the TDM/PDM Connector Pin A1


Attach to the BLACK with a WHITE stripe at the TDM/PDM connector Pin B1


Attach to the YELLOW wire with a BLACK Stripe  at the TDM/PDM connector Pin A3


Attach to the DARK BLUE wire at the TDM/PDM connector Pin A2


Not used.


Not Used


Not used



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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