2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Engine wiring harness connector (to ECU with pic)

Thread Tools
 
Search this Thread
 
Old Dec 30, 2003 | 06:09 PM
  #1  
MaxRX7's Avatar
Thread Starter
hambre y sueño
Tenured Member 10 Years
 
Joined: Feb 2001
Posts: 300
Likes: 1
From: 80* >
Engine wiring harness connector (to ECU with pic)

I am not sure where this white connector attaches to ?
It comes from the engine harness that goes to the ECU and is on the inside of the car right below the glovebox and next to the blower motor.
Basically a white female 4 prong connector.
Reply
Old Dec 30, 2003 | 06:12 PM
  #2  
MaxRX7's Avatar
Thread Starter
hambre y sueño
Tenured Member 10 Years
 
Joined: Feb 2001
Posts: 300
Likes: 1
From: 80* >
pic 2
Reply
Old Dec 30, 2003 | 06:16 PM
  #3  
MaxRX7's Avatar
Thread Starter
hambre y sueño
Tenured Member 10 Years
 
Joined: Feb 2001
Posts: 300
Likes: 1
From: 80* >
anybody who has been under there or has swapped engines with this harness recently can hopefully remember. I double checked and didn't find a male 4 prong connector, and I'm sure there has to be one. The engine and car is working beautifully, but this will continue bothering me because I'm sure it has to do something.

and sorry for the bad pics, it's dark out.
Reply
Old Dec 30, 2003 | 06:19 PM
  #4  
MaxRX7's Avatar
Thread Starter
hambre y sueño
Tenured Member 10 Years
 
Joined: Feb 2001
Posts: 300
Likes: 1
From: 80* >
last pic
Reply
Old Dec 30, 2003 | 09:41 PM
  #5  
hugo20's Avatar
Senior Member
Tenured Member 05 Years
 
Joined: Oct 2003
Posts: 271
Likes: 0
From: Sherbrooke,QC,Canada
this is not the one on the backside of the heating blower ?
Reply
Old Dec 31, 2003 | 07:32 AM
  #6  
MaxRX7's Avatar
Thread Starter
hambre y sueño
Tenured Member 10 Years
 
Joined: Feb 2001
Posts: 300
Likes: 1
From: 80* >
no, I have that one connected.

bump for the morning crew.
Reply
Old Dec 31, 2003 | 08:07 AM
  #7  
Mr. Gadget's Avatar
Older than Dirt
Tenured Member 05 Years
 
Joined: May 2003
Posts: 1,448
Likes: 0
From: Parts Unknown
Looks like the connector to the cruise control. The connector on the unit is on the bottom and not easy to see unless your looking for it.
Reply
Old Dec 31, 2003 | 12:15 PM
  #8  
HAILERS's Avatar
HAILERS
Tenured Member 10 Years
 
Joined: May 2001
Posts: 20,563
Likes: 27
From: FORT WORTH, TEXAS,USA
You have to give us the color of the wires. As in a black wire with a yellow stripe, or a green wire with a black stripe or a brown wire with a black stripe. Get the idea??
Reply
Old Dec 31, 2003 | 02:37 PM
  #9  
MaxRX7's Avatar
Thread Starter
hambre y sueño
Tenured Member 10 Years
 
Joined: Feb 2001
Posts: 300
Likes: 1
From: 80* >
sure the 4 wires are:
-solid black,
-black with white stripe
-brown with white stripe
-green with yellow stripe

again this connector is on the inside of the car. I'm mentioning this because there is an female 4 prong connector on the "underhood"(other side of the firewall), but all it's wires are green with stripes.
Reply
Old Dec 31, 2003 | 05:34 PM
  #10  
HAILERS's Avatar
HAILERS
Tenured Member 10 Years
 
Joined: May 2001
Posts: 20,563
Likes: 27
From: FORT WORTH, TEXAS,USA
IF you had a series four car I'd say that that plug goes to the ATP sensor (atmospheric pressure sensor) because the colors match the series four schematic to a tee and the ATP is located in the crew compartment...passengers side....above the legs of the passenger.

But darn, the series five has no ATP. Hey, I looked at a 91fsm. You series five guys got ROBBED!

So here's what happen.........when the made series five harnesses, they left that plug in the harness design. Sometimes it's cheaper to do nothing than to make a new harness board. You see that in aiplane configurations all the time A bracket here, a clamp there, a hole here and there that's not used on the latest version.

So...stow it away carefully. Zip Tie it to something. Make sure that Brown/White wire in the plug NEVER touches something it should not, like a ground. If it does...KABLOOOIE....ECU made useless in a heartbeat.

If you look around you'll see numerous plugs that are not used. Numerous.

So the question is WHY DOES THE SERIES FIVE NOT HAVE A ATP?????? Youse waz robbed!
Reply
Old Dec 31, 2003 | 05:48 PM
  #11  
MaxRX7's Avatar
Thread Starter
hambre y sueño
Tenured Member 10 Years
 
Joined: Feb 2001
Posts: 300
Likes: 1
From: 80* >
Great, thanks a bunch HAILERS. That makes lots of sense, I kept scratching my head, because I was almost positive it was plugged.

No atmospheric pressure sensor, oh well
Thanks for the info, I appreciate it.
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
trickster
2nd Generation Specific (1986-1992)
25
Jul 1, 2023 04:40 PM
befarrer
Microtech
3
Aug 22, 2015 05:52 PM
BLK 93
3rd Generation Specific (1993-2002)
4
Aug 19, 2015 03:47 AM
Professorpeanutrx7
New Member RX-7 Technical
5
Aug 15, 2015 01:38 PM




All times are GMT -5. The time now is 07:05 AM.