Rick's Free Auto Repair Advice

Posts Tagged: Chrysler

Chrysler, Ram, Jeep no start

Diagnose and fix a Chrysler, Ram, Jeep no start A Chrysler, Ram and Jeep no start is often caused by a locked Wireless control module. Chrysler vehicles use a wireless control module (WCM) referred to as the Sentry key Remote Entry Module (SKREEM). This module is extremely sensitive to static discharge that can occur during dry or cold winter months when sliding across the seats. When that happens, The WCM lock up and you get a no start condition. This will also disable the remote lock/unlock feature of your key … Read More

Chrysler charging system

Chrysler charging system The manner in which Chrysler charging systems power the alternator field varies depending on which generation PCM you have installed in your vehicle. So consult a shop manual for the exact system used in your vehicle. This is just an overview. In a Next Generation Controller PCM the alternator has 3 wires. The black wire is a contact ground. The PCM sends a pulsed power to the alternator field coil on the dark green wire. The strength of the field depends on the pulse width. The output … Read More


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