Now for the real stump I ran into today. You ready!
Just to start you should know that this b18c1 im working with (is swapped into a 92 civic hatch) Im having a bad running rich problem...foulling plugs.
They Integra harness wire coming from the IAT sensor that is supposed to run next, into the Map sensor on the throttle body was never connected! I know, sounds like...Ohhh theres your problem...oh no theres more confusion!
There was another harness connector coming off the back of the firewall (coming from the civic harness i gather) that WAS connected. So I thought "hey I just tuned and set timing on this thing without the MAP even hooked up! " so If I disconnect this DUMMY harness I should'nt notice a difference cause the real connecter is right here coming from the integra harness".... NOPE when I disconected it , the motor cut off !! [:errr:] If you can POSSIBLY understand what I am portraying it would be a miricle! For some odd reason there are 2 connectors for MAP the one that needs to be hooked up doesnt run right when hooked up and throws a MAP CEL code. The dummy one that I dont understand how it can be running to the computer, when its hooked up it runs with no code. yet I have this bad rich running problem???
Shouldnt the only way to run the MAP be from the integra harness?
anyway Im tired and hope someone has some insight on this part of the fiasco! Atleast a place I can start testing.
Thanks again,
brian

 

brian please give my shop a call and ask for PAUL he is my wiring guy and can xplain this very fast

 

Thanks, I'll do that!

 

what harness are u using? i can tell you the color of the wires going to each sensor so u get the right connectors on the right sensors.

 

Thank you so much for the good reply! This has been making me nuts!
From what I could make out (wires are kinda old and dirty..)
-civic firewall harness with MAP connector was: YEL/GRN BLU WHT

-GSR harness: WHT/YEL GRN/Silver YEL

Is it posible both are running to the ECU?? What should I do if they are?

 

just found out on alldata what was going on. finally!
the civic firewall harness is definitely a MAP sensor harness for a D15B7 engine with firewall mounted MAP sensor.

The connector with the WHT/YEL GRN/WHT YEL wires is for the GSR MAP sensor
am I correct? back to my other question though...if the civic connector is also running to the ecu what do I do with it? so to not have a conflict or something...

 

use the civic map sensor connector thats on the firewall. Just leave the GSR plug un connected. The wires for the gsr connector will not be connected to anything at the shocktower connector.