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LT1 to LS1 97 Z28

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Old 04-10-2012, 10:14 AM
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Originally Posted by bp m1009
what do i have to do to make the 97 body harness work with the 98 engine harness?
Connect the corresponding wires together, for that, you will need the pinout diagrams.

LT1 - http://shbox.com/1/harness_connector_faces.htm

LS1 - http://www.lt1swap.com/ls1_wiring_ha...connectors.htm


Also, how come every hardtop LT1 I ever see is black?
Old 04-10-2012, 11:03 AM
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Originally Posted by Johnny-LT1-runner
Connect the corresponding wires together, for that, you will need the pinout diagrams.

LT1 - http://shbox.com/1/harness_connector_faces.htm

LS1 - http://www.lt1swap.com/ls1_wiring_ha...connectors.htm


Also, how come every hardtop LT1 I ever see is black?
awsome, thanks man!!
and idk, but i wanted a hardtop i hate t tops
Old 04-10-2012, 11:13 AM
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it seems very simple, but on the 98 connector it has a pin for 5v ref Cavity, and TPS sensor signal cavity:E and the 97 doesnt for E: it has AIR pump relay, and F: power feed from acuators??
Old 04-10-2012, 12:18 PM
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What we did was attach the individual wires together and just scrapped the factory connectors. Anything that was not used we just capped off. I don't know what the actuators are but we jut ignored anything that wasn't vital to run.
You can switch the wires around if you still want to use connectors though. Just make sure everything is labeled.
Old 04-10-2012, 03:12 PM
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i might just re pin the connectors, i hate to just wire them together. but who knows how lazy ill be when i get there lol
Old 04-10-2012, 03:36 PM
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Originally Posted by Johnny-LT1-runner
Also, how come every hardtop LT1 I ever see is black?
Probably the same reason why every 93 I see is a hardtop, lol.

Originally Posted by bp m1009
and idk, but i wanted a hardtop i hate t tops
Agreed, I can't stand t-tops either.
Old 04-10-2012, 03:43 PM
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Originally Posted by 93Z2871805
Probably the same reason why every 93 I see is a hardtop, lol.
I once owned a 93 black 6 speed hardtop! What are the chances? I hated that thing too!
Old 04-10-2012, 07:42 PM
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Originally Posted by bp m1009
it seems very simple, but on the 98 connector it has a pin for 5v ref Cavity, and TPS sensor signal cavity:E and the 97 doesnt for E: it has AIR pump relay, and F: power feed from acuators??
I dont kno what the 5V ref is off the top of my head, but the TPS is for the Cruise Control in the LS Harness..

You got the idea, figure out what ones are needed and eliminate the ones that arent.

My 1995 LT1 Hardtop car was RED..hahahhahahaha
Old 04-11-2012, 02:34 AM
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will do thanks for the help!!
Old 04-11-2012, 04:55 PM
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SHbox site is great for figuring everything out, take your time and you can handle it. I would say swap the fuel tank and fuel lines from the 98 into the 97. I did this swap for a friends 96 Z28 but the harness was from a 2001 LS1. It took me about 20 - 24 hours of wiring since it was my first time ever really doing the wiring. From what I remember 98 to 97 are very similar, the 5v reference I just left out and did not wire into anything. I re-pinned and personally that is my preferred way to go, plus I cleaned up all connections and terminals by soldering them and any crap wire I cut and cleaned up and soldered back together and heat shrunk it.

Just take your time with it and it is fairly easy, not to mention it is pretty fun.
Old 04-11-2012, 08:15 PM
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I have some experience with wiring since i helped with the harness for my roomates rx7 5.3 swap. So im not too concerned i just am trying to plan ahead and know what to expect
Old 04-14-2012, 05:53 PM
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ok so i just realized that the under hood harness is cut on my 97. what do you think i should do now? swap the body harness from my 98?
Attached Thumbnails LT1 to LS1 97 Z28-97-z28-harness-cut.jpg  
Old 04-15-2012, 12:04 PM
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any suggestions?
Old 04-27-2012, 05:20 PM
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so my first dilemma i ran into is how should i run the wiring for my 98 fuel pump and tank in the 97 car? The connectors are alot different, the LT1 car only has one connector coming off the fuel pump. but the 98 LS1 tank i am using has 3 connectors coming off the tank, what should i do to make it work? the first pic is the LT1 car connector 2nd is from the 98 LS1 car
Attached Thumbnails LT1 to LS1 97 Z28-fuel-pump-connector1.jpg   LT1 to LS1 97 Z28-fuel-pump-connector2.jpg  
Old 04-28-2012, 03:10 AM
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Leave the LT1 Fuel System alone.. Just put a good pump in and that's it..get the regulator and run the line to the LS Rails.

Common misconception with this swap..no need at all to **** with the fuel wiring..
Old 04-28-2012, 06:25 PM
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Since you're under good harness is chopped and you need to swap that I would just do a full body harness swap so it all plugs in with no mods needed
Old 04-28-2012, 07:52 PM
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Originally Posted by Rick Speed
Since you're under good harness is chopped and you need to swap that I would just do a full body harness swap so it all plugs in with no mods needed
Yep. Thats the route im headed. Ripped all the interior out of the 97 today, dropped the kmember, and swapped the LS1 rear brakes over. And still got a lot more work to do lol
Old 04-29-2012, 02:44 AM
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heres some pics of my driveway lol xt
Attached Thumbnails LT1 to LS1 97 Z28-swap1.jpg   LT1 to LS1 97 Z28-swap2.jpg   LT1 to LS1 97 Z28-swap3.jpg  
Old 05-09-2012, 05:31 PM
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some progress...finally got the 97 body harness out and all stripped
Attached Thumbnails LT1 to LS1 97 Z28-body-harness-97.jpg   LT1 to LS1 97 Z28-97-parts-3.jpg  
Old 05-10-2012, 01:28 AM
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Wow, you've got your hands full buddy! Your driveway looks like Sanford and Son and Smokey and the Bandit got into a major disagreement, lol. I have to ask, why would you swap over the LS1 rear brakes? Usually people swap to the LS1 front brakes and keep their rears.


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