Convert the L33 to DBC for TPS. Its still 24x. Convert to single wire P/N for idle/spark control.
With RPM is it hitting the black box from crank sensor? Set tach out to proper pulse and maybe use a pull up circuit. Or am I thinking about it wrong?
Other question is what is hitting the ABS from VCM? Speed and what, I think it shares a brake signal. I do not believe there are any comms. If thats the case then run the LS1B and ditch the VCM. On LS conversions we have done with that era of truck we have always only used the ECM from the LS. Never had an issue.
As far as code reading. There are only codes if you tie the comms together. Get what I mean.
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