M_O_Z

I am putting a lq4 in my Colorado. I need computer pinouts for a 5.3 trailblazer 4wd, a Ls2/auto gto, 01 2500hd silverado 4wd and 04 3.5 Colorado 4wd. I wish I had AllData for this thank you if you can help.

I have 3 different harnesses I have to swipe pieces from lol.

Black98s10

A 6L in a colorado? Please take pics of it, maybe a build thread.

M_O_Z

I need to build my harness first. I have enough harnesses to make one. I just need pinouts of the computers. I blew one inline 5 up. I'm not looking to blow another. So I finally found a lq4 for 600 bucks complete. I have to come up with fuel rails from a Ls2 and injectors from a ls3. Putting a 212/218 lsa 114 can in it with a high volume oil pump. Once I get the harness done I can put the motor in.

I want to get the v8 swap done first then move onto the solid front axle.

mcdonald77

iTrader: (21)

you need only the ecu pinouts?

M_O_Z

Pretty much and the tcm.

mcdonald77

iTrader: (21)

give me your email address and what year for the trailblazer?

M_O_Z

Pepperfire2003@gmail.com. What I'm trying to do is build a harness like the lq4 setup but be running Ls2 electronics. Year on the trailblazer shouldn't matter but it has to be a 5.3 and 4x4 not awd.

mcdonald77

iTrader: (21)

I emailed you 4 ecu pinouts for the 4 different trucks.

M_O_Z

I got them. Thank you. Now a question for you about the fuel system setup on your Jimmy. You used a Corvette fuel filter setup and took your return style setup to returnless. Trying to understand how you set it up by looking at your pics. I have to go to returnless as well.

mcdonald77

iTrader: (21)

It's pretty simple. I got rid of all fuel lines going from the old filter to the intake. Then used AN fittings to plumb the feed and return line to the vette filter/ regulator.

M_O_Z

So your double filtering the fuel? The supply is the bottom and return is the middle?

M_O_Z

Question for y'all. What are the differences between the gto tcm which is a t42 and the 05-06 trailblazer 5.3 tcm which is also a t42.

M_O_Z

M_O_Z

Motor is going to get compression bumped up with ls2 pistons and rods along with 799 heads. Going to finish tear down and get motor tanked.

M_O_Z

Small scale salvage yards of parts