Trunk harness DIY

[OldmanRacer]

Hi all:

Anyone know where I can find a trunk harness DIY - the one that controls the trunk lid actuator that's located on the driver side?

See, my trunk lid actuator was going out, or so I thought. After reading many people with the same issues of it slowly diminishing - working sometimes then fades to nothing at all - I thought it was the activator, so I went and got one installed (oem).

That didn't work. Apparently it was the worn harness. Explains the diminishing ability of the actuator as well with each opening and closing of the trunk.

Fun fact I learned: anyone with similar symptoms and leaning towards the actuator, I would suggest checking to see if you hear a "click" from the actuator when trying to open the trunk. Apparently it's supposed to make a noise even if it's not functioning properly. In my case - no noise heard, therefore it wasn't the actuator itself.

Anyways I'm trying to replace or maybe repair the harness and need some sort of guide. No luck searching for this so far. All I found were to replace the actuator itself.

Thanks!!



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[Kevin C]

On other vehicles with the same problem it turned out the the contact on the switch had gotten dirty. Not sure what the Audi has, but a relay with dirty contacts would do the same thing.

[OldmanRacer]

The mechanic and I had it working momentarily while bending the harness in various directions. The connector could do that too I suppose.

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[doughboy17]

You may want to make sure it is not a broken ground wire (brown color?) in the harness going from the car to the trunk lid (break was located in the harness wrapped in rubber). That is what mine was. I was getting light out "error messages" on my B7 A4.

[seanf86]

I had the wire break to the soft touch handle and had a broken wire in the harness, look at the colors of wires going to the actuator, peel the rubber back and find those colors where they exit the trunk into the boot and give the wire a tug, mine pulled right out cause it was broken, crimped in a new section of wire and it worked again, my other B6 has the same symptoms as you and I'm going to get around to it eventually.