I don't have an 03 PCM, but I know my 00-02 PCM did not have an oil pressure sensor. You can run a 3 wire ECT sensor (from a Camaro I think) with 1 connection to the ECM and 1 to the dash.
Using factory gauges for LS swap
- Thread starter Chevyboi93
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at7615
Newbie
Yep, I looked at my LexTech pinout, no oil pressure input, got the sensors ordered, moving forward.
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