How to Program a 1991 Cadillac DeVille Ignition Smart Key Fob

Description

to purchase Auto Keys, Fobs, Remotes, Shell/Cases & Related products for 1991 Cadillac DeVille

Step-by-Step Programming Instructions:

1. Locate the Data Link Connector (DLC) underneath the driver’s side dashboard. Refer to the figure as a guide for your DLC (Note: They are not lettered on your vehicle). The view should be looking straight into the cavities of the DLC.
2. Connect cavity G with cavity A in the DLC using a fused jumper wire. Your vehicle will respond by locking and unlocking the door locks within 2 seconds.
3. Press any button on the first remote to be programmed. The locks will lock and unlock, verifying that the remote was programmed.
4. If applicable, press any button on the second remote to be programmed. The locks will lock and unlock again to verify that the remote was programmed.
5. Remove the jumper wire and test the remote(s).

to purchase Auto Keys, Fobs, Remotes, Shell/Cases & Related products for 1991 Cadillac DeVille