350tbi swap need wiring help fast

tbramich

Well-Known Member
Joined
Jun 24, 2009
Location
charlotte, nc
Well i got my engine in and now im trying to get the hardest part worked out. I need help wiring my 90 350tbi engine to my 95 2.5l yj. I know its been done before so im calling out for help. Yes i know i can buy a harness for $600-700 that takes a lot of guess work out but i was hoping to do it myself. Heck at this piont im willing to do about anything to get it going. My goal is to have it drovong by next weekend. Pm me or email me if you prefer tbramich@yahoo.com thanks in advance tom
 
you dont need to buy a harness for a TBI....
1)are you modding (winldll) your ECM or having it done?
2) what are you running and what arent you running?
 
Ill probably have it moded but i would do ig mhself if i could. Ill be running all the truck hardware and ecm, with the tranny& tcase. Going to plum the ac in but nkt hook it up intil the bugs are wormed out.
 
ok...all the hardware?

you gonna run a knock sensor?
how about evap canister?
etc.
etc.
etc.

I recommed MAF, TPS, O2 and scrap the rest.
You can program yourself for free....winldl
 
Ski i planned to run what ever was on the stock motor so i guess yes would be the correct answer. but mostly because i thought the TBI need all that stuff to run correctly. I'm trying to stay true to the TBI for steep climbing & descending since i like to rock climb.
 
1-ton, i rather wire it in myself. i have a strong electrical background so i dont think it would be an issue. i just really need some guidance on the pin locations for the old harness. thanks to madmax i may have what i need. if not im going to break down and buy the manual.
 
on binder planet look in the injection tech section. then click the inj faq.next theres a section about being able to hook up all these wires with ecm # mine's 1227747. they don't really have a pinout, but it was super simple to follow there directions and it tells you every wires function, hope this helps a little more.
 
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