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Commander Overland, RWD
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Section 128 (Final Drive Control Module (FDCM) - Electrical Diagnostics)
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DTC Troubleshooting
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C1420-Rear Differential Control Circuit Current Performance
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Circuit Schematic
Circuit Schematic
WARNING:
This page is about a different car, the 2009 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Front Differential Solenoid Control Circuit Schematic
Courtesy of CHRYSLER LLC