DFI and ECM Discuss all aspects of DFI (Digital Fuel Injection), ECMs (Electronic Control Module), scanners, and diagnostic equipment. Fine tune your Third Gen computer system for top performance.

Computer plug locations (pic)

Thread Tools
 
Search this Thread
 
Old 10-10-2015, 06:39 PM
  #1  
Member

Thread Starter
iTrader: (1)
 
2QUIK4U's Avatar
 
Join Date: Feb 2004
Location: Wisconsin
Posts: 438
Likes: 0
Received 0 Likes on 0 Posts
Car: 1991 Z28
Engine: 5.7 TPI L98
Transmission: 700-R4
Axle/Gears: Moser 9" with 4.11
Computer plug locations (pic)

This makes me look like a moron. I searched before I posted this. I may have even bought a new computer because I plugged the other one in wrong. There are 2 connectors with the same plug type. Which goes where?

Last edited by 2QUIK4U; 10-11-2015 at 11:53 AM.
Old 10-11-2015, 11:58 AM
  #2  
Moderator

iTrader: (1)
 
RBob's Avatar
 
Join Date: Mar 2002
Location: Chasing Electrons
Posts: 18,417
Likes: 0
Received 218 Likes on 204 Posts
Car: check
Engine: check
Transmission: check
Re: Computer plug locations (pic)

All three plugs are different. Note the center black connector on the ECM, it has 24 pins versus the 32 pins of the other (outer) black connector.

The lime green connector plugs into the ECMs yellow connector.

RBob.
Old 10-11-2015, 05:21 PM
  #3  
Member

Thread Starter
iTrader: (1)
 
2QUIK4U's Avatar
 
Join Date: Feb 2004
Location: Wisconsin
Posts: 438
Likes: 0
Received 0 Likes on 0 Posts
Car: 1991 Z28
Engine: 5.7 TPI L98
Transmission: 700-R4
Axle/Gears: Moser 9" with 4.11
Re: Computer plug locations (pic)

Originally Posted by RBob
All three plugs are different. Note the center black connector on the ECM, it has 24 pins versus the 32 pins of the other (outer) black connector.

The lime green connector plugs into the ECMs yellow connector.

RBob.
Yep! That was my whole issue with no injector pulse on my other threads. I had the 2 outside plugs wrong. They both fit in the wrong spot. She fired right up! Thank you
Old 10-12-2015, 08:23 AM
  #4  
Moderator

iTrader: (1)
 
RBob's Avatar
 
Join Date: Mar 2002
Location: Chasing Electrons
Posts: 18,417
Likes: 0
Received 218 Likes on 204 Posts
Car: check
Engine: check
Transmission: check
Re: Computer plug locations (pic)

That will do it. Although, the connectors have to have been modified as they are keyed differently between them. Can see the two ribs on the lime green connector in the photo. Then again I've seen ECMs where the connector housings are broken. This would allow the wrong connectors to be used.

RBob.
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
eddie jr
Electronics
7
11-06-2015 05:17 PM
yellowferrari
History / Originality
16
10-12-2015 11:07 AM
2QUIK4U
Electronics
3
10-10-2015 12:29 AM
Pbarnett98
TPI
8
10-09-2015 11:48 AM
Mr. McGuire
Body
4
10-06-2015 07:54 AM



Quick Reply: Computer plug locations (pic)



All times are GMT -5. The time now is 01:18 AM.