ECM Pin location
#16
Resident Retard
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It is my understanding that the Pin 33 only works on 03+ PCMs.
Thread link read from page 7-10
https://www.performancetrucks.net/fo...=blowing+relay
GM Factory Efan wiring harness, dual speed.
15216055
i hope that helps
Thread link read from page 7-10
https://www.performancetrucks.net/fo...=blowing+relay
GM Factory Efan wiring harness, dual speed.
15216055
i hope that helps
#17
How do I change this text
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Originally Posted by Blown02Sierra
could the unused pins be used for inputs for wideband afr, fuel press., egt, dual tune, valet mode, nitrous, et cetera? What about outputs for certain gauges?
Blown02Sierra, you are 100% correct..
This thread is abit older, I bought a aftermarket fan controler and temp sensor to control the other setting...
#19
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Originally Posted by Blown02Sierra
could the unused pins be used for inputs for wideband afr, fuel press., egt, dual tune, valet mode, nitrous, et cetera? What about outputs for certain gauges?