TPI Tuned Port Injection discussion and questions. LB9 and L98 tech, porting, tuning, and bolt-on aftermarket products.
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Old Jul 10, 2004 | 06:15 PM
  #1  
CALIROCZ28's Avatar
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Joined: Aug 2002
Posts: 237
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From: Southern California
Car: '98 Z28 LS1
Engine: LS1
Transmission: 4l60E
Axle/Gears: 373
S.o.s. Asap

Hey guy's I'm totally confused or the section of my brain that holds this information that I know that I know how to do it has up and ran away or most likely those particular brains cells are dead! ha!

Here is the problem.

I have been working on the engine wiring in my '91 Iroc with a L98 motor & 700R4, I've been doing a little at a time I thought I had it all finished but I seem to be at a dead end trying to figure out how my injector wires go. I know that 1, 3, 5, & 7 injectors wires connect together and then connect to the ecm hole number C12 and the 2, 4, 6, & 8 wires come together and connect to the ecm hole C11. Where does the 2nd wire from each injector side go to? are these wires the ones that need to connect to the fuel inj fuse 1 & fuel injector fuse 2 wire? Or do they connect to the D side of the connector ( I believe connector "D6 & D7" ) which are supposed to be to Ground. Dis I answer myself or do I have it all *** backwards? Help would really be appreciated as I am working on it as we speak. ( Well I stopped long enough to write this S.O.S.. I'll pop back in every 10 minutes or so to see if anyone of you fellow third genners got my S.O.S.


Thank you!

CALIROCZ28
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Old Jul 10, 2004 | 06:56 PM
  #2  
Trickster's Avatar
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Joined: Sep 2003
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From: conway, s.c.
Car: 1989 Iroc-Z
Engine: 5.7L TPI
Transmission: 700R4
Answered in your other thread of the same name.
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Old Jul 13, 2004 | 08:47 PM
  #3  
Parrydise7's Avatar
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From: SoCal
If you are still having a problem, give DynoDon a shout. He's in Anaheim.
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