Quote:
Originally posted by stevebfl
My first impression is that anyone who is probing ECU wiring should be able to tell me where X11/4 is.
X11/4 is the 38pin diagnostic connector and it is under the oil cap looking cap on the electrical center at the right side hood hinge area.
Just what would you like to do with the engine speed signal "TN"?
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LOL. I thought you would say that. My question might have give the impression I know more about the electrical system than I do.
I am installing a Split Second PSC1-001 unit to help massage my MAF signal. I was pegging out the unit and I am trying to get the voltage reading back on the map.
I need to pick up the Tach signal for this unit. It has a built in MAP sensor and uses the rpm range to figure how much more or less a percent of voltage should be sent to the ECU.
The tables work from vacuum to boost. My car was leaning out and this is the first step to fixing the problem.
Was that drivers side or passenger side btw. I think you mean the ECU box, but I want to make sure.