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Subject:Daily Update On My Injectors
From:Vdub Guy
Date:Sat, 29 Dec 2007 00:21:27 +0000

OK, <sigh>, today I obtained not one but 2 used ECU's, 6 used injectors, and while I was at it got the entire wiring harness out of a 1.9 Vanagon. Both ECU's give the same result as my other two. Now the 2 I got today were used and unkown, but doubtful I have 4 bad ECU's. Thanks to those who pointed out I was checking the fuel injectors incorrectly with my meter. Set at 1X I get 15-16 ohms. Now, I started dissecting the harness I got (damn sure less complicated than the mountain of wiring I have in my basement from my Suby donor!). From the ECU plug I found continuity between pin 7 and brown wire with a white tracer ,which goes to the cluster of grounds on the head. I assume pin 7 is ground to the ECU, as each injector shows one side to pin 7 (Bentley). I did NOT get continuity from any of the injector plugs to pin 7.  So, I head out to the Vanagon, unplug the ECU, I get continuity from pin 7 to the head. I also get continuity between one side of each injector plug and pin 7. So, I
'm not sure what this proves, other than I have ground to pin 7 at the ECU, but when i check the FI plugs on the engine, apparently no ground with ignition on, engine cranking-test light doesn't flicker.    Jeff

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