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22re early and late injectors

NotMatt

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I have a 22re from a '91 that I'm putting into an '87 4runner, using the wiring harness from the '87 (I know... I like doing things the hard way). The injector plugs are different, but I have the pigtails from a later harness. Can I cut the plugs off the '87 harness and solder the newer ends on? I'd have to figure out what wire is what, because the color's don't match up... but is the resistance and such the same on the newer injectors as the old ones? Also, anybody know what the color code is on the wires... I've got a 50/50 chance if I guess... but I'd rather not... :D

I guess if I don't get an answer I can just try it, but I don't want to have to rip the top of the manifold off again later to swap to the early injectors.
 
Which ECM are you using?

Toyota p/u~4runner are grouped by years, 84 ~87, 88, 89 to ? Try to stay in the grouped years. You can use motors from different years, but it's the harness and brain that should stay with the year of truck.
They are different ohm's like you said. Also the tps sensor is different too! I would stay with the 87 setup on the 91 motor. Find a used harness, injectors and TPS for the 87 and go with that! If you plan on using a 91 ECM and harness, you may have a problem with the dash harness and other electrical wiring in the rest of the rig. Due to different ohms, pin location, and other electrical stuff!

Hope this helps!
 


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