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Home >> Chrysler >> 2005 >> 300 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 122 (Electronic Control Modules) >> Engine Control Module >> Installation
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Engine Control Module: Installation

WARNING: This page is about a different car, the 2004 Dodge Pickup and 2004 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

Do not apply paint to ECM or a poor ground will result.

  1. Position the ECM to the ECM support bracket and install the five mounting bolts. Tighten the bolts to 24 N.m (18 ft. lbs.).
  2. Check pin connectors in ECM, 50-way and 60-way connectors for corrosion or damage. Repair as necessary.
  3. Clean pins in the 50-way and 60-way electrical connectors with a electrical contact cleaner.
  4. Install the 50-way and 60-way connectors to ECM. Tighten connector bolts to 3 N.m (27 in. lbs.).
  5. Reconnect both negative battery cables.
  6. Use DRBIII® scan tool to erase any stored companion DTC's from ECM.
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