how to replace battery cable

Disconnect it from both ends, battery end first, and get a matching replacement either from an auto parts store, or from the dealer if necessary. Be careful, don't make sparks around the battery, use safety goggles. Make sure the key is OFF, you may need to 'code' the radio if it has theft-deterrent. Here's a directory link for you: http://repairpal.com/chrysler-repair-in-brighton-colorado