Fuel and Ignition Fuel Pumps and Systems, Ignition and Spark Systems

LTCC wiring, complete please

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Old Jan 30, 2008 | 10:19 AM
  #1  
always faster's Avatar
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From: Solar system/earth/canada/quebec
LTCC wiring, complete please

Ok i got my ls2 coils with my ltcc box and harness with the ls2 connectors.

I dont know where i will mount the box but thats an easy job.Thanks to a nice member who answer in a previous post what connector was needed for my taylor wire.(part #46059 from taylor)

So now can we just make a complete post on the wiring and where to plug what?Im having just a little trouble finding where to connect everything.Or maybe i maybe just need some confirmation that all that i got is right...

I ve done some search and found some info but would need to be confirm.

So the wiring harness got:
-8 blue(ls2=blue/ ls1=black) coils connector= Easy one goes to each coils;
-8 black wire with a loop connector=These are ground;
-Big black connector connected to a bigger grey connector(looks like opti connector)=Those connect between the opti connector on the pass side of the intake;
Yellow wire:for nitrous only for retard;
white:is ground but need to be connect to a pcm ground @ ignition module(yellow with black stripes)@ ignition module;
2 pinks wire:connect them together then connect to the pink with black stripes(12volts).

So ami i right,wrong or maybe i missed some details or seomthing just need to be modify to be clear?

Thanks
Old Feb 1, 2008 | 07:55 AM
  #2  
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Ensure you have established a good ground connection for the coils, preferably to the engine.

Pin "G" is for cylinder 2 coil
Pin "H" is for cylinder 4 coil
Pin "J" is for cylinder 6 coil
Pin "K" is for cylinder 8 coil
Pin "M" is for cylinder 7 coil
Pin "N" is for cylinder 5 coil
Pin "P" is for cylinder 3 coil
Pin "R" is for cylinder 1 coil

The LTCC's Opti signal connects inline using the vehicle's 4 pin Opti-spark pigtail. This is located on the passenger side top of the motor near the purge sol. valve

The white wire (pin "F" on the LTCC connector) requires an EST input from the PCM. You can splice this wire in at the ignition module connector.

Connect the two pink wires from the LTCC box to the pink/black wire at the stock LT-1 coil connector. You can verify the proper wire by checking for 12 volts with the key in the "ON" position. The stock coil and ignition module are now no longer connected to the vehicle's wiring system.

You will have to "upgrade" the vehicle's Coil/Ignition fuse to a 20 amp rating as the LTCC current draw is 16 amps.

I mounted the LTCC box in front of the driver's side strut mount.
Old Feb 2, 2008 | 02:03 PM
  #3  
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Originally Posted by Boosted_Z28
Ensure you have established a good ground connection for the coils, preferably to the engine.

Pin "G" is for cylinder 2 coil
Pin "H" is for cylinder 4 coil
Pin "J" is for cylinder 6 coil
Pin "K" is for cylinder 8 coil
Pin "M" is for cylinder 7 coil
Pin "N" is for cylinder 5 coil
Pin "P" is for cylinder 3 coil
Pin "R" is for cylinder 1 coil

The LTCC's Opti signal connects inline using the vehicle's 4 pin Opti-spark pigtail. This is located on the passenger side top of the motor near the purge sol. valve

The white wire (pin "F" on the LTCC connector) requires an EST input from the PCM. You can splice this wire in at the ignition module connector.

Connect the two pink wires from the LTCC box to the pink/black wire at the stock LT-1 coil connector. You can verify the proper wire by checking for 12 volts with the key in the "ON" position. The stock coil and ignition module are now no longer connected to the vehicle's wiring system.

You will have to "upgrade" the vehicle's Coil/Ignition fuse to a 20 amp rating as the LTCC current draw is 16 amps.

I mounted the LTCC box in front of the driver's side strut mount.
Cool thanks for the input

The only thing that im confused(mayb because im a french guy) is:

-The white wire (pin "F" on the LTCC connector) requires an EST input from the PCM. You can splice this wire in at the ignition module connector.-

Do i need to splice the white wire from the ltcc connector because there is two est signal at the ignition module? Or you mean that i just have to splice the wire from the ignition module and connect the white wire from the ltcc to it?

Thanks
Old Feb 2, 2008 | 02:14 PM
  #4  
Boosted_Z28's Avatar
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From: St. Charles, IL
Locate the white wire going to the connector that would have plugged into the ICM and splice the white wire from pin "F" of the LTCC to it. Hope this helps.
Old Feb 2, 2008 | 02:42 PM
  #5  
always faster's Avatar
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From: Solar system/earth/canada/quebec
Originally Posted by Boosted_Z28
Locate the white wire going to the connector that would have plugged into the ICM and splice the white wire from pin "F" of the LTCC to it. Hope this helps.

Thanks i knew someone would help me out.
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