92 22re,harness and ecu in 85???
#1
92 22re,harness and ecu in 85???
Hello everybody iv'e got a quick and easy question. I searched and could'nt find the answer. Will a 1992 22re harness and ecu plug into a 1985 cab harness? Thanks ahead.
#2
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I am interested in this also. I have an '84 carb'd, but I want to upgrade to the RE. I would also like to know about fuel tank swaps for the pump necessity. I'm sure I will get flamed on this since I didn't search yet... But I didnt post the original thread... so I'm not in trouble, right?
#5
Registered User
I tried this a bit ago but I had an 85 truck and was wanting to use an 87 harness and ECU. Everything plugged in and the truck ran but you could not give it gas. It would buck and sputter.
One of the main reasons I figure is in 85 the trucks diagnostic ports were on the driver fender well and the later trucks had the diagnostic ports on the passenger side. So the ECU had to be getting mixed messages and whatnot.
I'm not good with wiring so I just picked up an 85 harness and everything is fine now.
I'm sure if you know what you're doing you could figure it out but it wasn't worth my time.
One of the main reasons I figure is in 85 the trucks diagnostic ports were on the driver fender well and the later trucks had the diagnostic ports on the passenger side. So the ECU had to be getting mixed messages and whatnot.
I'm not good with wiring so I just picked up an 85 harness and everything is fine now.
I'm sure if you know what you're doing you could figure it out but it wasn't worth my time.
#6
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ECU's are the same for the most part as far as plugging in and programming, altho there's a couple sensors that are different and the harness for the injectors uses a different style plug on the 87(?) and up. I swapped a motor out of an 88 into my 85 and that's the things I ran into. I'm sure a search would turn up even more info.
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