Chamberlain Liftmaster 41A3039 Garage Door Operator Circuit Logic Board - 9 DipChamberlain Liftmaster 41A3039 Garage Door Operator Circuit Logic Board 9 Dip I'm not 100% sure that the part number on this is correct but the "FCC ID" contains the "41A3039" which fits the Chamberlain Liftmaster part naming convention (Although I have seen this same one with 8 dip switches) This is the 4 terminal model with RED, WHT, BLK & YEL. FCC ID: BYF8GK41A3039 132C1891 14PC300F 14SR300F NOTE: The part you receive WILL NOT be the exact one
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