NOTE: For 1990-1992 The module you work on is called PDM, for 1993 it is called TDM, but the location and the wiring are absolutely the same.
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.

