I'm installing my greddy profec e-01 boost controller on my 03 eco and I almost got it but can't find the "ECU rpm signal wire". please help.



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~Using nitrous is like having sex with a hot chick with an STD, you wanna hit it, but your afraid of the consequences.~

try searching for a tach install on the eco.....i think there is a pink wire that is what you are looking for, but do a search for that in the different forums, and your answer is in there somewhere.

Search in the audio electronics forum. Many wiring diagrams floating around in there for gauge installs that all use the wires from the same bundle under the dash.