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Originally Posted by Weasy2k
Pin 3 - W = OX1 Signal Wire
Pin 2 PB Pink/Blk = HTB (12v + Switched)
Pin 4 - BR = Ground
Pin 1 - BY Blk/Yel= HTR ECU Gnd trigger for heater
So pins 1 and 2 are both heater signals
Pin 3 is for the 5v signal to the ecu
Pin 4 is ground
The colors may not match but you can use a multimeter to check the rest or look on the plug and see if there is number markings on it
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Ok! so you are saying connect the two white wires to the two black wires and
the blue wire to the gray wire and the white wire to the the black wire. Is that correct Weasy?.