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Old 10-25-2003, 12:36 AM
AJ Johnson AJ Johnson is offline
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Hey guys! I have an 88 or 89 TBI chev 350 with the wiring and ECU, basically all the parts I need for the TBI to work, except the fuel pump that I want to put in my Jeep. The problem I have here is that I don't know how to tie the wiring into my Jeep! Does anyone know of a good source for wiring diagrams that would help me figure out where to tie all these wires into? I do have the mitchell manual for that year of truck, but in lots of areas, it really isn't any help. It's obvious where all the components plug into, that's the easy part. The hard part is figuring out whereto put the wires thast were cut, it looks right where it would go into the fuse block in the cab.....
ANY help would be GREATLY appreciated!
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Old 10-25-2003, 01:24 AM
KYJ10 KYJ10 is offline
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I know that the chip is programmed to run the 350. And since putting it on an AMC, it will not run right. You would need to have the chip reprogrammed for proper running. Contact customefis.com He might be able to help you, but he sells the exact setup, and is his lifeblood, so he may not want to give out that info. He may though be able to take your stuff, rewire it, program your chip, and get you going. Then again, he may not want to deal with it. Just a thought. Dennis
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Old 10-25-2003, 02:41 AM
AJ Johnson AJ Johnson is offline
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I have the whole setup to swap in, the motor, distributor, everything... my problem is hooking the wiring up is all..
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Old 10-29-2003, 07:39 AM
popeye44 popeye44 is offline
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Aj: Take a gander over at pirate4x4 in their general discussion forum. Ask in there someones bound to have the info. I've always had good luck from them.
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Old 10-29-2003, 08:14 AM
chrism chrism is offline
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Some wiring diagrams here:
http://www.ih8mud.com/tech/tbi350.html

The DIY EFI site seems to be partially down. You may want to get on one of their email lists. Those guys should be able to help you out.
http://www.diy-efi.org/
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Old 10-31-2003, 06:58 AM
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The Anti-Chrysler The Anti-Chrysler is offline
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TBI is about the easiest there is. The hardest part is going to be splicing in the gauges and everything. There's not that many leads coming off the engine. There's the ECM, the vehicle speed sensor (you will need), the O2 sensor, the gauges (to the firewall connector) etc etc.

I can help with specific questions. I've wired several GM TBI setups and am very good with it. I can't tell you exactly everything to do, of course. You might want to consider getting a Painless wiring harness - for about $250 it's complete, and has all the connectors labeled. You shouldn't need much more than a factory service manual for the GM truck. I went into detail about this stuff a few months back with Crazy_Jeepman. You might be able to do a search. I'll see if I can find it.
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Old 10-31-2003, 07:02 AM
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The Anti-Chrysler The Anti-Chrysler is offline
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Here's the thread with C_J.

http://www.ifsja.org/ubb/ultimatebb....=018409#000000
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'82 J-10 Laredo, 360, T-177, 4" Rusty's
'85 J-10 (parts)
'09 Pontiac G8 GT Sport, '97 Sierra (Vortec 454), '98 Silverado Z71 (5.7 Vortec)
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Old 10-31-2003, 09:22 PM
AJ Johnson AJ Johnson is offline
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thanks man! as I get further into this, I'll give you a shout if I run into any snags..
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