Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › A/C Wiring and Code reader › Reply To: A/C Wiring and Code reader November 5, 2020 at 3:31 pm #987001 Richard KirshyParticipant If itppears to be a loose connection, I would try what ever to remedy that issue before hacking into the wiring and changinging the switch. Might try a different MFG code reader