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Microtech Wiring a 2nd gen coils on 1st gen

Old 04-09-09, 07:13 AM
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FL Wiring a 2nd gen coils on 1st gen

I am in need of some technical help...
I have a TII swapped GSL-SE that was blow-thru with a Holley that I am switching back to FI and I have been installing a Microtech LT-8S ECU for the last week. I am at the point where I need to wire in the TII coils BUT don't know how. I am using the CAS from the TII and got rid of my dizzy with ignitors. I am still using the SE harness so I need to know which wires go where to make these coils work. If anyone could shed some light it would be GREATLY appreciated.

Thanks
Joe
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Old 04-09-09, 09:09 AM
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It is the same as wiring it up in a 2nd gen. But you will need to provide a switched 12V source to the coil power wire (black I think, check the 2nd gen FSM).
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Old 04-10-09, 12:11 PM
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Yes, I have that much figured out...
What I was refering to was where can I get the switched source from on my SE as well as where is the tach signal now going to come from?

Thanks
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Old 04-11-09, 10:48 AM
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Get the tach signal (for the dash tach) from the trailing coil. Yellow/blue wire.

There are many convenient switched 12V sources. I generally grab it from the actual key switch and use it to switch a master relay for the EFI system when I do 1st gen retrofits.
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Old 04-11-09, 01:10 PM
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Thanks... will try it out tomorrow..
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Old 04-11-09, 06:59 PM
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You can use the Thick Black white wire used for the original coil packs.

BUt you say you have GSL-SE.

Wouldnt you already have these coil packs? Or did your GSL-SE engines come with dizzy?
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Old 04-11-09, 07:21 PM
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GSL-SE came with dizzy and regular barrel type coils...

L8R
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Old 04-12-09, 02:56 AM
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Then use your regular black white + coil wires.
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