okay guys i need help , please post any info ,
i bought gm 15912597 harness and installed the Fans and the harness and every thing looks okay my os is 12587603
as i said the fans installed and pcm programed too , for ECT aka coolant the fans runs low and high speed which is fine , but for the A/C the fans run at low speed only , still i cant get it to run high speed for A/C
connector C1 pin 42 low speed control rely
connector C2 pin 33 high speed control rely
connector C2 pin 14 A/C Refrigerant Pressure Sensor Signal
i added a A/C Refrigerant Pressure Sensor and wilded to the pipes and connected to pin 14 and still can get hi speed for A/C
there is also on connector C2 18 DK GRN 59 A/C Compressor Clutch Supply Voltag
i pined this one too and the wire is ready but i dont know where i connect the wire
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