5.3 to 6.0 wireing harness

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03-15-2006, 07:17 PM
Jake1234588

Hay,kind of new to this site but had a question need answered, have a 2000 1500 with a 5.3 i got a cance to get a 6.0 but i wanted to know about the wireing is it exactly the same or a littel bit different,and if it is different then what are the things needed,and what are the diffeances...if there is a web site that anyone knows about iam opean to that,and my last thing is the motor mounts are the same right? i pretty positive but its better to ask a subject matter expert.thanks alot for the help
Jake
03-15-2006, 07:43 PM
NITROUS

Welcome Jake! Everything should swap over with no problems including the motor mounts. Good Luck!
03-16-2006, 10:08 AM
rosscob

Wiring harness matches up exactly.
03-16-2006, 10:57 AM
kwkenuf

The wiring will match up, but depending on what model year 6.0 you get, the throttle body may need to be changed to a traditional throttle cable style rather than the 2003 and newer drive by wire design....
03-16-2006, 08:10 PM
rosscob

You may also have to swap out the fuel rails. The fuel rails don't have a return fuel line. It's not a big deal, just use the old ones. Same with the throttle body. All the parts swap!
03-16-2006, 10:17 PM
Jake1234588

one more question if thats ok,the drive by wire throttle body....is there a way to get that to work,because throttle respons is great with thows right? or is it not worth it?
03-17-2006, 09:33 AM
kwkenuf

<div class='quotetop'>QUOTE(Jake1234588 @ Mar 16 2006, 08:17 PM) [snapback]47178[/snapback]</div>

Quote:

one more question if thats ok,the drive by wire throttle body....is there a way to get that to work,because throttle respons is great with thows right? or is it not worth it?
[/b]

You could keep it but you'll need some more parts and work. An electric throttle pedal, the connectors to splice into your harness, and a TAC module (the black box that connects between the pedal and the t-body). Since you need to get your PCM flashed for the 6.0 anyway, you'll should ask your tuner whether the 2000 PCM can support drive by wire. Or someone knowledgeable here will chime in I'm sure...

IMHO, swap your cable operated throttle body from your 5.3 to the 6.0 and don't worry about any of this stuff....
03-17-2006, 01:55 PM
Jake1234588

thanks for the help everone ill get some pics up as i get the project underway
03-19-2006, 06:22 AM
airdeano

the 4.8/5.3/6.0 are all the same dimentional so they are interchangable. only tuning stands in youe way.

airdeano