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Brando
 
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efi injector question



Am I wrong or is this contrary? Can someone help me so I can wire the injectors? Mine Are for BMW if I remember correctly.
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Old 10-23-2017, 05:39 PM
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Are you asking about the polarity? It shouldnt matter.
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Old 10-23-2017, 06:33 PM
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Brando
 
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Ya. How do I test for which side is +?
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Old 10-23-2017, 06:34 PM
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Doesn't matter, not polarized. 1 side with 12V, the other is grounded to ECU. ECU triggers them by grounding them.
Old 10-23-2017, 07:33 PM
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Quote:
Originally Posted by quattrorunner View Post
Ya. How do I test for which side is +?
On the injector? The polarity doesnt matter. Just pick a side and keep them consistent from one injector to the next. It's just a coil, so shouldnt matter what direction the current is traveling.
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Old 10-23-2017, 07:33 PM
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Injectors are not polarized. The wiring is often polarized and sometimes there is a + mark or other indicator. This is purely for following a wiring diagram.
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Old 10-23-2017, 07:40 PM
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Brando
 
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Thanks guys.
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Old 10-23-2017, 08:19 PM
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