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1999 Chevrolet Silverado Engine Swap, 2000 Harness, Computer

Printed From: the12volt.com
Forum Name: Vehicle Wiring Information & File Requests
Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=146778
Printed Date: April 19, 2024 at 9:27 PM


Topic: 1999 Chevrolet Silverado Engine Swap, 2000 Harness, Computer

Posted By: ccroasmun67
Subject: 1999 Chevrolet Silverado Engine Swap, 2000 Harness, Computer
Date Posted: March 28, 2021 at 7:50 AM

I have a 1999 Silverado with a blown 4.3. I bought a 35,000 mile 1999 5.3 donor truck and have the computer and harness with the motor. The only problem is donor harness is for a manual tranny and I have automatic. I have since went to the junk yard and pulled a Silverado harness for an automatic. I checked and all sources were saying harness was explicit to year, the only harness I could find was a 2000 Silverado.

My question is will the 2000 harness work on my 1999 5.3? When I got the junk yard harness since it was 2000 and all sources were saying everything was year specific, I grabbed the 2000 computer also incase pinout was different.

Should I use the 2000 harness with the 1999 computer, or use both the 2000 harness and computer.

Thanks in advance guys!!!!

-------------
Chuck



Replies:

Posted By: Ween
Date Posted: March 28, 2021 at 3:36 PM
Have you looked here: WWW.LT1SWAP.COM or here: https://ls1tech.com





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