According to Alldata, we pulled up a wiring schematic specifically for the H22 and it matched completely at the ECU. Like I said, pins A4 and D6 had had wires going into it. BTW, I'm running the ground off the oil pressure switch to the chassis. Like I said, no CEL's and the light does light up when the key is first turned on.Originally Posted by EmminoDaGreat





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