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Re-post. Am I testing correctly? 200 1990

You can find and review your posts by clicking on MY POSTS, at the top of the screen when no threads are open.

Here on the brickboard, ecu usually refers to the FI control unit, where pin #6 is a ground, not voltage.

But if you are testing pin #6 at the Ignition CU (ICU here, to avoid ambiguity), then you are missing the voltage from the ignition switch.

P.S. It can also avoid confusion if you provide your car YEAR on the subject line (as I did here). I assumed 1990 was right, after digging thru some of your older posts, using EVERY POST Author Info.
--
Bruce Young
'93 940-NA (current) — 240s (one V8) — 140s — 122s — since '63.






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