Thread: Too Much Fuel, Too Soon? And Other ???
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Old Fri, October 2nd, 2009, 09:03 AM
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Quote:
Originally Posted by theSLEEPER View Post
Sorry to be a pain. But which color is to the PCM? And just for my own mental library, what do the other two wires go to?

Blue/Red (or Green) out of ICP sensor to PCM. (Sensor Return)

Brown 5V Reference (VREF)

Gray/Red Sensor Ground (Signal Return)


Just for shiggles, there is another ICP Mod that uses a resistor in parallel with the ICP sensor that went between the blue wire and the gray wire. However, the LOWER the resistance in that setup, the HIGHER the ICP would actually be.
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Tuning, PCM flashing, and burning chips for 7.3s since 2008. Repairing all aspects of 7.3L Powerstrokes for 25 years.
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