EDM-700/800 Pin assignments( 4 or 6 cylinder ): yel 1, red 2, OIL yel 3, red 4, IAT (or CARB if EDM is for a 7/8/9 cylinder engine.) yel 5, red 6, CARB (or CDT if IAT installed) yel 14, red 15, OAT yel 16, red 17, TIT yel 18, red 19, TIT-2 (2nd TIT) gry 12, Remote alarm (Sinks to ground) red 13, + Power(Red) wht 24 , RS-232 data port blk 25, Engine ground.(Black) ** ( Pin # 11 not used -not used.)
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