So, I've been working (pretty slowly) on swapping a 2003 LQ4 and 4L80E into my '89 S-10 Standard Cab. Due to the fact that it's been cold as ba**s, I tried to find things I could do inside.
So, I thought it would be a good idea to start working on thinning out my wiring harness.
As I went through it, I eliminated a lot of wires, and found a few broken connectors. I started searching for replacement part numbers using Google, eBay, etc.

I came across a few threads on forums like LS1tech, Thirdgen.org, etc. Several were started by (or largely responded to by) Pocket.

So for the past couple of weeks, I've been trying to track down all of the connectors that were on my LQ4 DBW harness and a few that might apply to stand alone conversions. My initial intent was to put them in spreadsheet form listing the part number, color, connector family, and additional parts that might be required (like terminals, seals, locks, etc.) But that got out of hand quickly. So, I decided to just list the connector part number and a link to it's data sheet on the Aptiv online catalog. There is a tab on the catalog page that says “related products” that lists all of the parts available.

I also found a few other miscellaneous connectors that might be of interest.

Lets get started with the Engine connectors:

https://ecat.aptiv.com/feature?search=15324165 Crank Position Sensor 15324165
https://ecat.aptiv.com/feature?search=12059595 Cam Position Sensor 12059595
https://ecat.aptiv.com/feature?search=12129946 MAP Sensor 12129946
https://ecat.aptiv.com/feature?search=12047938 Coil Pack Connector 12047938
https://ecat.aptiv.com/feature?search=15449028 ECT Sensor 15449028
https://ecat.aptiv.com/feature?search=13602480 Oil Pressure Sensor 13602480 Updated 2/21/18
https://ecat.aptiv.com/feature?search=13602480 A/C Refrigerant Pressure 13602480 Updated 2/21/18
https://ecat.aptiv.com/feature?search=15305555 5 Wire MAF 15305555
https://ecat.aptiv.com/feature?search=12059595 3 Wire MAF 12059595
https://ecat.aptiv.com/feature?search=12162197 2 Wire IAT 12162197
https://ecat.aptiv.com/feature?search=12052644 Coolant Level Sensor 12052644
https://ecat.aptiv.com/feature?search=15492640 80 Pin PCM Connector 15492640
https://ecat.aptiv.com/feature?search=15326836 DBW Throttle Body 15326836
https://ecat.aptiv.com/feature?search=12186568 Alternator 12186568
https://ecat.aptiv.com/feature?search=12162017 A/C Clutch 12162017
https://ecat.aptiv.com/feature?search=12052641 Knock Sensor (PCM Side) 12052641
https://ecat.aptiv.com/feature?search=12124037 Evap Canister Purge 12124037
https://ecat.aptiv.com/feature?search=15326423 Square HO2S Connector 15326423
https://ecat.aptiv.com/feature?search=12092839 V-shaped HO2S Connector 12092839

Fuel Delivery:

https://ecat.aptiv.com/feature?search=15411634 Multec 2 (Truck) Injector 15411634
https://ecat.aptiv.com/feature?search=15305086 EV6 Injector 15305086
https://ecat.aptiv.com/feature?search=15497399 EV6 USCAR Injector 15497399
https://ecat.aptiv.com/feature?search=12129142 EV1 Injector 12129142
https://ecat.aptiv.com/feature?search=13511131 Fuel Composition Sensor 13511131

Transmission:

https://ecat.aptiv.com/feature?search=15449028 VSS/ISS Sensor 15449028
https://ecat.aptiv.com/feature?search=13595247 Main Transmission 4L60E/4L80E 13595247
https://ecat.aptiv.com/feature?search=12129840 Park Neutral Pos. 12129840
https://ecat.aptiv.com/feature?search=12191757 Trans. Range Switch 12191757

OBDII:

https://ecat.aptiv.com/feature?search=15317575 Clip-in Style OBDII Plug 15317575
https://ecat.aptiv.com/feature?search=12110250 Screw-in Style OBDII Plug 12110250

TAC Module:

The 16pin TAC Module plug is 2 pieces + terminals/seals/locks.
This is the part that goes between the TAC Module and the DWB Throttle Body.

https://ecat.aptiv.com/feature?search=12191068 Strain Relief 12191068
https://ecat.aptiv.com/feature?search=12191065 TAC Connector Body 12191065

I make no guarantee as to anything. These were what I found after several days of research, and comparison to my own 2003 LQ4 DBW Harness being used for my own application.
Hopefully some other people can add to or correct any misinformation that I may have supplied.

Fbody and Corvette parts would be a great addition to this thread.

Sorry about the formatting, tried setting it up with href tags, but couldn't get it to transfer over right.

Jay

 

Jay,

Excellent information! Maybe someone can add the Gen IV information...

Andrew

 

This thread appears sticky-worthy!

 

Thanks. I thought it would be helpful since I couldn't find all this info in one place, but take it with a grain of salt. I did a lot of searching and cross referencing and using Google Image search to get some of this info, and some of the plugs I verified by finding Chinese versions and then they said "replacement for Delphi..." I'm sure MOST are correct, but some of the round 3 pin plugs might be iffy. Oil pressure and A/C refrigerant use the same plug, and it's a black body, but it has a gray lock on the sensor side.
On this particular connector, I believe I got the connector number right from a Delphi Diagram.

What mine looks like (Photo credit to Alibaba)




What the actual current part looks like (Photo credit to Havoc Speed)





I couldn't find that exact connector (with the gray lock -- except as a pigtail), but it looks like it may have been replaced. Perhaps, in that case, buying a pigtail, then getting pins and making your own might be an option.

I've tried using EFIsource, EFI Connection, Mouser, eBay, Waytek, etc. to verify things visually, but they don't have Delphi part numbers listed.

If anyone finds corrections, that would be awesome.

Also, if you can post pics of Gen IV connectors we might be able to ID those connectors as well.

Jay

Edit: Found the updated connector part number and updated first post.

 

Good work. Was searching to see if there was a list like this. Thanks you for your patience. Warm weather is getting closer.

 

Thanks for commenting. I saw this was your only post and you've been a member since '09. Much appreciated.

I see that CPW has a lot of the connectors/pigtails, but they're typically 4-5 times the price of buying them from places like Mouser. Figured if someone wanted to alter their harness (say switch from a 5 wire MAF/IAT to a 3 Wire MAF/2 wire IAT) it would be helpful. Or (like me) replace broken connectors.

I was surprised there wasn't a little more interest, tho.

Oh well. Now I know where to find it later! lol

Jay

 

The two connectors above are tps and pressure. The top one uses gt150 terminals,
and the bottom one uses 150 pull to seat terminals. Both will work. Steve

 

Subscribed! And thanks.

 

Thanks, Steve. That was why I had a hard time finding the correct connector, because I was searching for the plug based on the wrong terminal type. If you see anything else that needs to be edited, let me know. I'd appreciate it.

Jay

 

While I was searching for something else, I found a link to a Delphi connector catalog!

https://www.reynoldsonline.com/ASSET...4580L_Broc.pdf

Might be helpful for the Gen IV stuff?

Jay

 

Good stuff. Surprising how long it takes to track down all that info isnt it?. Fair warning on the GEN IV ECM connectors. Pay VERY close attention to key ways and how the connector is clocked. Really sucks to drop $25+ on a connector thats 180* out or has needed pins blocked off. That connector family has a LOT of PNs to sort through and the image doesnt always match the product youll receive

Most of the old 150 pull to seat connectors like shown above have a GT 150 counterpart. Although more expensive when adding body, terminals, seals and the special crimper for the seal tangs, changing from pull to push to seat really makes assembly easy. Even better if you goof on a pinout. Repin vs cut and crimp new terminals. The old ones are a PITA to depin. Reason I use almost exclusively GT instead of the older pull to seat

Catalogs like you posted are great for common connectors. If you're rewiring a chassis and need a host of inline connectors, go for it. Its a little more tricky to hunt down device connectors. Try to find an AC pressure switch (R4 compressor) connector, or a mate for a cam sensor connector (timing cover extension or MAF conversion). You definitely should bookmark the page, but dont count on it as a one stop shop for all your PNs

I also found it annoying that GM switched from all delphi electronics with everything from the 70's up to GEN III to a mismatch of the lowest bidder for GEN IV and newer. Some stuff you simply wont find in the delphi line up at all. Most recently I had to import a connector from spain because there wasnt a supplier in the country

 

Good info. Thanks. I only have a Gen 3 LQ4, and I don't plan on buying a Gen 4 harness just to get info on the connectors. lol.

Most of the original post was inspired by your connector post on thirdgen.org while I was looking for something else. Thanks for that. You posted a lot of worthwhile info on swap harnesses and it is greatly appreciated.

Jay

 

Glad you found it useful

 

FWIW, a lot of the Gen IV connectors are made by Molex.

Andrew

 

Just been searching around, and Ballenger Motorsports seems to have pretty good pricing on the connectors, pigtails and terminals.
Their website is bmotorsports.com.

 

This is excellent info Jay, thank you for posting it up in 1 place! While making my gen 3 harness for my 92 s10 i got to know all the different connectors and terminals from the Packard Electric to Delphi stuff. Funny, a few weeks ago i was wiring up some stuff on my buddues '13 Ford pickup and needed some terminals. Found out that they were the same a the gen 4 Bosch e38. Had a hard time locating them tho . I have about 8 different crimpers for this stuff too!.

 

Thanks, I kinda wish they would sticky it so I don't have to search every time I want to reference or add to it.
I'm looking for the in tank connector for the fuel pump (body and pins). Planning to order some PTFE coated wire
for my fuel pump relay harness and would like to be able to have 0 splices inside the tank.

Anybody got anything?

Jay

 

Why not just bookmark the thread? Here's the link.

 

Because that doesn't help anyone else, and I have it on my computer. I just need to move it to the new computer.
But I'll do that for when I find more info.

Jay

 

I have tons of threads bookmarked. Almost none are stickeys on their respective forums. It takes me a second to look in my bookmarks and find what I'm looking for.

But whatever works for you.