Quote:
Originally Posted by 2fst4u
thanks buddy. just wanted to make sure. do all of them need to be the same or anything?
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Either direction you push current through, it will open the injector. There is no inherent polarity.
As long as each injector has the two colors going to it that Cliff mentioned above, they'll work, regardless whether the black is on one side or the other of the injector plug.