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.

wiring questions... experts needed

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Old Jun 28, 2009 | 08:27 PM
  #1  
brianfromhawaii's Avatar
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wiring questions... experts needed

where is stock computer located?

i wanna remove it!

what is all that wire that goes through the firewall on the passenger side? can i just snip it all?
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Old Jun 28, 2009 | 08:46 PM
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From: wv
Car: 92 rs
Engine: 355 stealth ram, dart heads, S480
Transmission: 4L80E
Axle/Gears: 3.42
Re: wiring questions... experts needed

the factory computer is under the dash on the passengers side..as far as the wiring goes...pull off the kick panel on the passengers side and theres a clip that holds it in..remove it and your inner fender and just pull the wiring through....i wouldnt just snip anything unless you know for sure what it goes to and that you wont be needing it...
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Old Jun 29, 2009 | 06:26 AM
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Re: wiring questions... experts needed

anyone else?
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Old Jun 29, 2009 | 08:11 AM
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Re: wiring questions... experts needed

Yep, everything that goes through the passenger side fender is for the old computer. I plan on re-using part of that harness though, going to run my a/c controls though that harness to make the engine bay look as clean as possible.
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Old Jun 29, 2009 | 09:29 PM
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Car: 91 Trans Am
Re: wiring questions... experts needed

Some of the gauges and multiple fuses are ran by wiring from the C207 which connects near the PCM

If you start blindly snipping bundles of wires you will end up buying new harnesses to redo what you didnt bother to do right
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Old Jun 30, 2009 | 12:11 AM
  #6  
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Originally Posted by brianfromhawaii
anyone else?
I'm confused. scamaro355 completely answered your questions, why do you want someone else to tell you the same things?
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Old Jun 30, 2009 | 01:33 AM
  #7  
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Re: wiring questions... experts needed

simple answer - its a forum, just because i say the sky is red, are you gonna beleive me? best to have multiple opinions.
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Old Jun 30, 2009 | 06:55 PM
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five7kid's Avatar
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
The right answer is much better than several opinions.

Those who have been around awhile know this question has been answered many, many times, and always in the same way. So, a would produce the same answer scamaro355 provided, and many times over.

Another way to look at it is if scamaro355 had provided erroneous information, someone would have chimed in.

Not trying to bust you or discourage you from posting/asking questions, just trying to explain how things tend to work here.

(To contradict myself slightly, the only thing scamaro355 could have added is you need to disconnect the harness from the ECM before you can pull the harness out through the fenderwell. But, if you couldn't figure that out when you got to that point, you're way over your head on this project, anyway.)
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Old Jun 30, 2009 | 07:53 PM
  #9  
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Re: wiring questions... experts needed

haha well i am used to ls1 tech where people think aluminum engines make more power than cast iron and everyones cars run 10s haha.. i like to get a few opinions... firebat gave me the exact answer i was lookin for acually
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Old Jul 3, 2009 | 09:13 AM
  #10  
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Car: 1982 Z28
Engine: LS1
Transmission: T56
Re: wiring questions... experts needed

Originally Posted by brianfromhawaii
simple answer - its a forum, just because i say the sky is red, are you gonna beleive me? best to have multiple opinions.
You might also get multiple opinions on gravity, doesn't mean gravity has more than one constant.
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Old Jul 3, 2009 | 08:08 PM
  #11  
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From: wv
Car: 92 rs
Engine: 355 stealth ram, dart heads, S480
Transmission: 4L80E
Axle/Gears: 3.42
Re: wiring questions... experts needed

(To contradict myself slightly, the only thing scamaro355 could have added is you need to disconnect the harness from the ECM before you can pull the harness out through the fenderwell. But, if you couldn't figure that out when you got to that point, you're way over your head on this project, anyway.)


lol....thanks guys
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