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We have local members who run the TT fuel pump with NA fpc and NA ecu with no extra noise level. Guapo runs this same setup, although he has mentioned it being "louder", I'm not sure what his definition of "louder" is, hence my mentioning of "interpretations" being annoying here. The NA ecu/fpc run the TT fuel pump at 8V, it would be amazing if the extra 2V up from the TT versions actually does create the noise.There is no "need" to run the TT fpc and ecu, as both NA and TT fpc/ecus (na with chip obviously) will run the TT fuel pump. I'm just curious as to whether this whine is what people mean by "louder", and also my cranking issue. I will be checking voltages to see if there is a difference between the same setups between two Zs here. I have a TT ECU and TT FPC sitting around, I will do some more testing later. Having the TT components won't add the middle voltage of operation without the extra wiring. As always, I was just looking for ideas before I go chasing geese.
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