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.


TDM/PDM Connector