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The 1993 Sable uses the old OBD l PCM (powertrain control module). It is located under the dash behind the glove compartment. If you are removing the PCM the electrical connector is on the firewall inside the engine compartment. There is a small bolt in the connector that you loosen as the connector is being pulled out. If you are looking for the diagnostic connectors, they are on the passenger side near the firewall, in the engine compartment.

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16y ago

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