A friend of mine bought a Red Line Power Chip. It says to hook it to the air temp sensor. However, on that year I believe it is integrated with the Mass Air flow sensor. There are 5 wires on the Mass air flow.
Can anyone tell me which wires are for the air temp sensor?
Thanks!

 

Does anyone have this info?

 

I think that my 2003 2500HD had the sensor in the air tract. I couldnt find any info for you though.

 

Thanks for looking.
Any one else know anybody that would know?
Thanks!

 

There should have been a wiring harness adapter, to tap into existing connectors(usually you just c/o p.r.o.m. chip in ecm). You should not tap into any sensor wires, as they operate on 5 volts and specific resistance.

This will change resistance of sensor signal, which in turn will change sensor return info to ecm, affecting performance, fueling and timing parameters, and set off check engine light. Contact place where he bought it, for installation instructions, or check out website for info. (P.M me for more info).