LTX and LSX Putting LT1s, LS1s, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects including repairs, swap info, and performance upgrades.

Where to splice in to the check engine / MIL

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Old May 31, 2008 | 04:30 PM
  #1  
Aaron91RS's Avatar
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From: St. Louis
Car: RS
Engine: LS1
Transmission: T56
Axle/Gears: 9" for the ladies
Where to splice in to the check engine / MIL

I know what wire it is on the ls1 harness. Where does it come out at a good spot on our cars to splice in to it?
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Old Jun 1, 2008 | 09:17 AM
  #2  
macdadyZ28's Avatar
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From: Melbourne Florida
Car: 87 Formula
Engine: '00 LM7
Transmission: 4L60e
Axle/Gears: 3.23 posi
Re: Where to splice in to the check engine / MIL

there should be a wire going from your gauges to your old computer that controlled the MIL in the cluster before. My guess is that would work, but I havnt tried it yet.
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Old Jun 16, 2008 | 07:17 PM
  #3  
Aaron91RS's Avatar
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From: St. Louis
Car: RS
Engine: LS1
Transmission: T56
Axle/Gears: 9" for the ladies
Re: Where to splice in to the check engine / MIL

Does anyone know which wire it is?
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Old Jun 16, 2008 | 08:43 PM
  #4  
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From: Elk City OK
Car: 92 25th anv z28
Engine: 346 TC78 Turbo
Transmission: 4L80E
Axle/Gears: 3.25 9"Nodular, Strange axles
Re: Where to splice in to the check engine / MIL

i think it is in the c207 connector under the passenger side dash.

Last edited by Blownz28man; Jun 16, 2008 at 08:46 PM.
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Old Jun 17, 2008 | 10:24 AM
  #5  
Aaron91RS's Avatar
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From: St. Louis
Car: RS
Engine: LS1
Transmission: T56
Axle/Gears: 9" for the ladies
Re: Where to splice in to the check engine / MIL

The one with like 15 wires on it?
So umm which wire in that bunch is it?
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