1998-1999 Chevrolet Astro, GMC Safari

The security system is managed by the EVO/Passlock module located on the right side of the Instrument Cluster, behind the air-duct.


  1. Remove the caps that cover the extension screws.
  2. Remove the screws from the extension.
  3. Remove the nuts at the bottom of the extension.
  4. Pull toward the rear of the vehicle in order to remove the extension from the instrument panel.



  1. Disconnect the electrical connector (1) from the EVO/Passlock module (2)




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
on off off off off on on off


Set SW2 (10 switches) as following:

1 2 3 4 5 6 7 8 9 10
off off off off off off off on off off


To install the NEWROCKIES PRO Module, connect it as following:


PRO Bypass

Car wires

RED & White wires    

Splice this into the Pink wire that goes into the EVO Passlock module, Pin B3.


Splice this into the Black/White wire that goes into The EVO Module, Pin B1.


Not Used


Not Used


Cut the yellow wire going into the EVO Module, Pin B7 and attach the YEL wire of the PRO Bypass to it going into the EVO Module. Tape the other side out of the way.


Splice this into the Orange/Black wire that goes into the EVO Module, Pin B5



Relearning Procedure

After plugging the EVO Module back in, perform the following relearn procedure:


  1. Turn the key on, with the engine OFF.
  2. Try to start the engine, then release the key to ON, Engine  will not start.
  3. Watch the security telltale, after about 10 mins, it  will turn OFF.
  4. Turn OFF the ignition, and wait 5 seconds.  


Repeat steps 1 through 4 two more times for a total of 3 cycles/30 minutes. You must turn the ignition OFF before attempting to start the vehicle.


Start the engine .



IMPORTANT: If your car still does not start, please follow the troubleshooting directions for Passlock 1/2 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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