Mitsubishi Repair Problems? Ask a Mechanic for Answers ASAP
Welcome, I'm Chris (aka Moose), my normal schedule online is around lunch and after dinner till early morning.
Low voltage can cause relays to chatter so I would not worry about that concern for now. I suggest having your battery load tested. Your description indicates the battery is failing or there is a parasitic draw on the battery with the car off that is draining the battery voltage.
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Thanks for using Just Answer, Chris
Hello again Chris here,