ECU and wiring harness help - Second Generation Forum

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ECU and wiring harness help
Sunday, September 18, 2005 2:22 PM
Does anyone have a picture or a color scheme of the 2 plugs that plug in the back of the ecu of a 1993 cavalier? My computer got wet, blwe up and fried the harness as well. I bought another ecu, and a harness, that doesn't quite have all the wires I need, and now my car is over heating, losing power, and idling very very (400-500 RPM). Can someone please help me out on this one. My ECU service number is :16134847 BAYF.
Help is truly appreciated.

Re: ECU and wiring harness help
Saturday, September 24, 2005 9:20 PM
I have a 93 as well. I do believe that the harnesses are blue and white.
Re: ECU and wiring harness help
Monday, September 26, 2005 6:03 AM
I was wondering if you have, or can you take a close up pic of the harness, both front and back. My ecu wires burned out and not all of my wires are connected.
Re: ECU and wiring harness help
Monday, September 26, 2005 12:18 PM
I have the service manual, i'll scan the pages for you tonight.



Re: ECU and wiring harness help
Monday, September 26, 2005 12:22 PM
eh.. i just looked at my service manual.. its for a 94 cavalier and shows the ECM with 3 connectors going to it.. you only have 2?



Re: ECU and wiring harness help
Monday, September 26, 2005 2:14 PM
The 4 Cylinder ones only show 2 going in. I'm assuming thats what he has since his profile isn't filled out.


93 4 Cyl



93 6 Cyl






http://cavalierman93.googlepages.com/

Re: ECU and wiring harness help
Monday, September 26, 2005 3:16 PM
Some 4 cyls have 2, some have 3. I'm guessing the change happened in 94, since mine and several others I've looked at have 3, but all the 93s I've seen have 2.




Re: ECU and wiring harness help
Monday, September 26, 2005 3:26 PM
Thank you very much. I have a 4 cylinder. But this should help alot.
Re: ECU and wiring harness help
Monday, September 26, 2005 3:59 PM
James Cahill wrote:Some 4 cyls have 2, some have 3. I'm guessing the change happened in 94, since mine and several others I've looked at have 3, but all the 93s I've seen have 2.


Yep i have the 94 service manual and it shows 3 for the 4cyl



Re: ECU and wiring harness help
Tuesday, September 27, 2005 11:26 PM
pezed wrote:
James Cahill wrote:Some 4 cyls have 2, some have 3. I'm guessing the change happened in 94, since mine and several others I've looked at have 3, but all the 93s I've seen have 2.


Yep i have the 94 service manual and it shows 3 for the 4cyl



True. I was only reffering to the 93's though. My fault for not stating that.



http://cavalierman93.googlepages.com/

Re: ECU and wiring harness help
Wednesday, September 28, 2005 5:06 PM
And the 2 plugs in my 93 are pink.

Good thing they're hidden under the dashboard!

-->Slow

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