That is gonna be one hell of an expensive harness. The injector harness I had to do from the ground up cause every darn wire had been chewed on would have cost $100-120 if one would have been available. Buying the wires needed, the crimp tool and connectors was pennies to the dollar compared to it. The hardest part in doing a harness is locating the correct weatherpacks and connectors. Chances are you can re-use your old weatherpacks, but of course need new connectors. If you have the time and you are in no rush ding it yourself is the way to go. Get the correct diameter wire, the correct colored wire and the correct crimping tool. It is as easy as cutting the wires to length using your old harnesses, crimp on the connectors and stick them into the correct weatherpack. The most important part is the crimping tool, and you get factory style crimping done. This is the one that worked for me: https://de.aliexpress.com/item/10050...yAdapt=glo2deu

 

I'd say expensive volkerc. I paid $330 for a junk yard engine harness and engine bay harness plus fedex. But if I use these harnesses as a guide, and rewire it, I think I may be able to refurbish these harnesses. Does this make sense?
I bought your links crimping tool. How much wire and what gauge? What colors? What type connectors? Where can I find this information?

 

330? Ouch. As a guide quite some dough. But if nothing is available that's what we need to do. You can find the connectors and weather packs on that site as well. The wiring I got off that auction site. Information of the wiring diameter can be found in the wiring diagrams. Check the harness you got for colors, black, red, with stripe, without and order accordingly. Make sure to
lay out what you have as a guide and keep cheking where within the harness the wires go, measure, cut, crimp and enjoy a brand new harness. If you do it right it will look like factory. All the components are out there, just have to find them. The connectors where the pins go in should be Delphi weatherpacks, some come with the necessary pins, get some extra in case the crimping goes wrong. The tool makes it simple, you place the wire in the connector, find the slot that matches the size, press down the hanldles and voila, crimped like factory. And those will not pull out or come lose.

 

Amazingly, I just got the harnesses via Fedex. It was shipped from a little town in southwest GA and got to south MS in less than three days! The harnesses are in surprising good shape.
It might be dumb to fix harnesses this way, but for a non-mechanic, it makes it that much easier. We really have no mechanics here I trust and it's cheaper than buying a new car. I'll start hunting down material i'll need. Thanks for the help volkerc, Maniac, bumpin. Please check back to this tread over the next few weeks. I'm sure I'll I have more questions during this adventure.

 

Keep us updated. All the best to you.

 

volkerc, which wires did you get. Which set of wires did you order? What all did you get from aliexpress?
Thanks,
Wally

 

Wires: As I said I got them off the bay, but it does not matter where you get them from, they have to match YOUR wires. So you need to look at the wiring diagram for your car, Get the correct wire size, which you take from the wiring diagram. Look at your wires, write down the colors, exaample, black, red, red with white stripe, yellow and so on, make the colros match the wire size needed.
ali: i got the weather packs and the crimping tool from there.

 

volkerc, thanks. Sorry for the cryptic message. My internet went out this weekend and I had to use my neighbors wifi. I couldn't concentrate, while listening to a 20 something young women cry and complain how unfair life is. Yea, like moving to a small MS town for college and having car problems, trying to learn auto mechanicing in a town that's like Mayberry on meth and half the I.Q. No I have no idea what she's talking about.

 

volkerc, I've got an idea. Tell me if it's dumb or not. I test this used harness and repair only whats wrong. Stick it on the car. Take the cars original harness and totally rewire it. This would be more time efficient. Since i'm going to drive this car till the tires fall off. I can take my time on rewiring the original. Does this make sense?
Also, did you have to mess with the engine? Move it around any? How much of a hassle is running this thing into the body?

 

The engine harness is separate from the rest, there should be a square connector on the firewall which is held by a screw, taking off the screw separates the connector. Then you can
take off the engine harness. Replacing an entire wiring harness front to back requires taking a lot of the car apart, from seats to carpet, dashboard, everything, can be done but is time consuming. I saved two harnesses front to back from a Lumina and a Malibu for future projects, and that means I did not cut off any wires or plugs, i took it apart to reuse and not damage it.
Does it sound like a plan? Sure, if you want to keep your car forever, do it. Keep learning while you move along and keep your car on the road. What you need to get is GM Service Manual for your car, not the aftermarket stuff, the original dealer used Service Manuals. These will help you in your endeavours.