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Re: 5V reference shorted to B+ through EFI No. 2, no ECM communi
Posted to Technical Discussion Forum on 10/23/2026

In my professional opinion, do not bypass . . ., find the problem.

There are many versions of wiring/circuit tracers out there. If you do not have one, you are missing a very low priced important diagnostic aid. There are expensive ones, but for less than &#... Login to read more.