Re: How to use Multimeter to test injector connection? - Saab 900 Bulletin Board - Saabnet.com
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The easiest thing to do is unplug all the injectors then jump the fuel pump relay (pin 30 to pin 87b IIRC). You should get +12v at the injector. You can also simply test continuity by unplugging the ECU harness and testing between pin 13 (IIRC - look in Bentley to be sure) to the injector connector. Remember that all the injectors share the same +12v source and the same ground point, as c900s use a batch-fired injector scheme.
-Justin
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