Im trying to complete a Fan update on a 2002 GMC SierraTMC and Im having issues.TMC I had my pcm flashed byTMC a vendor in ColumbiaTMC KY. They have been less than helpful in responding or technical support . I added electric fans factory and harness from 06, and a ac transducer ( in place of the recirc) , the fans work on low and high from trigger wires pinned on 42 and 33, as they should
TMC But I have no fans on ac, the transducerTMC is pinned onTMC gray 5 volt on blue pin 8,TMC black wire ground on blue pin 49 and he signal on green 14.
On the transducerTMC harness I have the 5volts on gray wire from PCM to transducer and a gound on black wie at the transducer from the PCM, I jumped the transducer with a 1.5 volt batteryTMC as instructionsTMC fromTMC grond to signal wire, like the 4 seasons technical documentation said in orderTMCTMC to verifyTMC trasnducer operation.TMC but still no fans,TMC is it possible the the signal pin in the pcmTMC (green 14 , red wire to transducer ) could be faulty?TMC If anybody has any idea, it would be helpful
Thank in advance if anybody has any Ideas
TMC But I have no fans on ac, the transducerTMC is pinned onTMC gray 5 volt on blue pin 8,TMC black wire ground on blue pin 49 and he signal on green 14.
On the transducerTMC harness I have the 5volts on gray wire from PCM to transducer and a gound on black wie at the transducer from the PCM, I jumped the transducer with a 1.5 volt batteryTMC as instructionsTMC fromTMC grond to signal wire, like the 4 seasons technical documentation said in orderTMCTMC to verifyTMC trasnducer operation.TMC but still no fans,TMC is it possible the the signal pin in the pcmTMC (green 14 , red wire to transducer ) could be faulty?TMC If anybody has any idea, it would be helpful
Thank in advance if anybody has any Ideas
