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Home >> Mercury >> 1999 >> Grand Marquis V8-4.6L VIN W >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Service and Repair >> Removal and Replacement
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Removal and Replacement

REMOVAL
1. Disconnect the battery ground cable.







2. Remove the screw and position the powertrain control module electrical connector out of the way.







3. Remove the nuts.







4. Remove the powertrain control module cover.







5. Remove the three pin-type retainers and the under dash sight cover.







6. Remove the Powertrain Control Module (PCM).

INSTALLATION







1. To install, reverse the removal procedure.
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