Fuel Injector Wiring - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 12-21-2010
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Fuel Injector Wiring

I have a 89 Ranger 2.9 that i got off my brother which he tore apart and I am now getting it back together to drive around. Only problem I have is he too the injector wires off the injectors and I do not know which plug goes to which injector. Does anybody know how to tell which plug goes to which injector? I
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Old 12-21-2010
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Anybody know anything on this?
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Old 12-22-2010
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The injectors in your 88 engine fire "bank-to-bank". That means that 3 injectors fire at a time on one side of the V6 and then 3 more fire together on the opposite side. So it doesn't matter which connector goes to which injector in a particular bank of 3. Plug them in where they fit the best.

The closest wiring book I have is 1989. 88 is probably the same.
All 89 driver side injector connectors should have tan and red wires.
All 89 passenger side injector connectors should have white and red wires.

Last edited by V8 Level II; 12-22-2010 at 12:57 PM.
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Old 12-22-2010
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Thanks for the help on this. It's greatly appreciated!
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