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 5:31 pm #987003 Richard KirshyParticipant I don’t work much with OBDI. My suggestion would be to do a review search for that specific OBD with in your budget.