LS Swap 5.3 4I60e in 04 Jeep LJ.

[mdbs14]

I have been working on a LS swap on my 04 LJ. The donor truck was a 04 silverado 1500 with a 5.3L and 4x4 4l60e trans. I am retaining jeep 231J tcase. I am retaining the Jeep gauges.

What I have done up to now:

- cleaned the motor, replace all seals.
- installws the Novak weld on motor mount
- i nstallwd the advance adapter trans to 231j adapter
- install a sye on the tcase. Using the adv adapter motor mount to the skip plate
- installed a standalone harness.. needs wiring done. Will need alot help on this.
- Installed the jeep oem tcase shifter but having hard time shifting into 4Lo. Will probably need to source a new shifter set.
- install a fuel regulator bypass and ran the fuel lines.

What need done:

- need to work on oil pressure, coolant temp sensor, oil level sensor. Need help figuring this out.
- need wiring done. This is intimidating. Will have alot questions.
- need tcase and trans shifters. What should use?
.....and everything else that needs to be done.

Some images attached.

Thanks in advance for all the support, tips and tricks.

 

[UNSTUCK]

Just an idea, you might consider dumping all your threads into one. It will keep it a bit more organized and then once it’s finished you’ll have a nice start to finish story of your build process.

 

[Greg]

Just an idea, you might consider dumping all your threads into one. It will keep it a bit more organized and then once it’s finished you’ll have a nice start to finish story of your build process.

I can move the posts into one thread, but it'll be a bit messy with the timeline. Probably best to keep the previous tech threads on their own and use this one for the actual build.

 

[mdbs14]

Just an idea, you might consider dumping all your threads into one. It will keep it a bit more organized and then once it’s finished you’ll have a nice start to finish story of your build process.

Was thinking about that but don't know how to move them. So I will just post on here moving forward.

 

[mdbs14]

I can move the posts into one thread, but it'll be a bit messy with the timeline. Probably best to keep the previous tech threads on their own and use this one for the actual build.

I agree

 

[mdbs14]

Jeep ground wires:

The jeep had some ground wires (see attached image) that went to the engine block on the passenger side. Do I need to put them on the ls?

Also, in the image below is the cut black wire circled in blue and the one in yellow ground wires to the ls engine block?
Were the short red wire circle in white go? I know the long one circled in red goes to starter.

 

[Mouse]

Definitely hook the ground wire back up. I like to add one between the alternator case and battery ground as well