Mystery Plug?

andrewA4 · 12-29-2011, 12:01 AM

Hey guys I am new to the forum. I really like it so far. I have a quick question. I just finished a timing belt replacement on my 97 Audi A4 (2.8 12v). While putting everything back together I came across a connector that is giving me trouble. Can anyone tell me what this plugs into?

In this photo it is the green plug to the left of the power steering reservoir.
http://www.flickr.com/photos/4890622...in/photostream

grillage · 12-29-2011, 04:23 AM

Link doesn't work

andrewA4 · 12-29-2011, 03:10 PM

http://www.flickr.com/photos/4890622...in/photostream

Andyid · 12-30-2011, 03:02 PM

That green connector hooks up to your AC compressor. the other end is below the Frame Rail in the photo.
This is a single wire or ground that actuates the compressors clutch.

A.H. · 02-08-2012, 03:25 PM

This isn't the AC plug. Notice the different sizes? You can see the other end of the AC plug barely hidden behind the wires next to the p/s pump.

I have the same problem. The mechanic didn't even know so I just assumed it was an empty plug for some diagnostics or something.

Anyone know?

beforeyougo · 02-08-2012, 03:53 PM

Had this same issue not too long ago. After some searching on the forum, it turns out that the green plug is an extra plug for the canadian and european versions. The US versions have no use for these plugs. If I recall correctly, it might be for the headlight washers.

After I put everything back together without hooking up that plug, everything worked fine. If I had some more time right now I would pull up the past threads about this issue. When I get home tonight I'll see if I can post some links up.

Cheers!

12-29-2011, 04:23 AM	#2
grillage AudiWorld Member Garage is empty, add now Join Date: Sep 2010 Location: Cincinnati OH Posts: 407	Link doesn't work __________________ 1994 Audi Cabriolet (now with 5 speed!) 1994 Audi Cabriolet - the really really crappy one 1995.5 Audi S6 1993 Audi 90 CS Quattro (sold)

12-30-2011, 03:02 PM	#4
Andyid Audiworld Junior Member 2000 Audi S4 Join Date: Dec 2011 Location: NB, Canada Posts: 14	That green connector hooks up to your AC compressor. the other end is below the Frame Rail in the photo. This is a single wire or ground that actuates the compressors clutch. __________________ Garage: 2000 Nogaro Blue S4 VDO Boost Gauge Tein Adj. Coil Overs RS4 Motor Mounts RS4 Sub Mounts AWE Trany Cross member APR Stg 3KKKo4 Turbo Kit RS4 SMIC 2.5" Cat-less DPs APR CatBack w/High flow cats

02-08-2012, 03:53 PM	#6
beforeyougo Audiworld Junior Member Garage is empty, add now Join Date: May 2011 Posts: 14	Green plug Had this same issue not too long ago. After some searching on the forum, it turns out that the green plug is an extra plug for the canadian and european versions. The US versions have no use for these plugs. If I recall correctly, it might be for the headlight washers. After I put everything back together without hooking up that plug, everything worked fine. If I had some more time right now I would pull up the past threads about this issue. When I get home tonight I'll see if I can post some links up. Cheers!

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12-29-2011, 03:10 PM	#3
andrewA4 AudiWorld Newcomer Garage is empty, add now Join Date: Dec 2011 Posts: 2	http://www.flickr.com/photos/4890622...in/photostream

02-08-2012, 03:25 PM	#5
A.H. Audiworld Junior Member 1997 Audi A4 Join Date: Jun 2010 Posts: 23	This isn't the AC plug. Notice the different sizes? You can see the other end of the AC plug barely hidden behind the wires next to the p/s pump. I have the same problem. The mechanic didn't even know so I just assumed it was an empty plug for some diagnostics or something. Anyone know?