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Re: P2127 code on 2007 Saturn Ion 2.2
Posted to Technical Discussion Forum on 8/7/2020 1 Reply

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Bradley, yes, 5 volt reference, signal return, output. What color wire is the output line for APP 2? I DON'T trust the All Data wiring diagrams for this thing at all.

Right now it has a brand new B... Login to read more.

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