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should I add wire to door harness repair


 

I'm about to repair a driver's door harness with broken wires. May end up doing all 22 wires. Some you can see the cracked and exposed wire others-esp the smaller ones- nothing shows. Would adding about 6" of wire help with the door pinch? Are the smaller (22gauge) wires less prone to being broken? Some posters have just cut the wire & soldered at break without adding extra wire.Anyone who has done this repair have any tips on this.
Thanks all.
Spencer 2002 mvwk


 

Might I ask if you need this repair due to your door locks going up and down on their own? My 2002 Eurovan MV developed this problem recently and is unusable until I find a solution. I am told that it is a wiring issue but no way to tell which door has the problem.


 

There is one easy way to tell: peel back the elbow boot where the wires run and see if you find broken wires. 9.5/10 times that’s the problem and the location.?
?
As far as adding extra length of wires when repairing, I guess that’s ur call. It’s tough doing wire repair work in that area without gaining a lil extra length, via unplugging the harness on either end or adding a lil extra wire,but then your doubling the amount of onerous connections you need to make securely. Last time I dealt w this repair the new complete harness for each door was still avail from the dealer so I went that route.?

?
--
Justin
2000 mvwk 1.9TDI Syncro 5-spd

503k mi :-)


 

Mike, Justin thanks for the replies. My mirrors stopped working a number of years ago and now my windows stick in the up or down position- unless I open or close the door- depending on what mood they're in. I wish there was a new harness available but I bought a used one on ebay hoping to do a straight up swap out but the "new" harness has broken wires too so I'm going to rewire it and then swap out. I figured adding about 4" to the bigger wires might relieve some of the acute bending as they seem to be the most affected by the pinch. Recently I pulled the main switch and cleaned the contact points and now the driver's mirror works but the RS only clicks when the pad is pushed. After the rewiring and swap if things aren't working then it's hunting down a replacement main switch.
Spencer


On Fri, Sep 20, 2024 at 12:18?PM Justin Soares via <greaseworks=[email protected]> wrote:
There is one easy way to tell: peel back the elbow boot where the wires run and see if you find broken wires. 9.5/10 times that’s the problem and the location.?
?
As far as adding extra length of wires when repairing, I guess that’s ur call. It’s tough doing wire repair work in that area without gaining a lil extra length, via unplugging the harness on either end or adding a lil extra wire,but then your doubling the amount of onerous connections you need to make securely. Last time I dealt w this repair the new complete harness for each door was still avail from the dealer so I went that route.?

?
--
Justin
2000 mvwk 1.9TDI Syncro 5-spd

503k mi :-)


 

On Fri, Sep 20, 2024 at 01:08 PM, Spencer Allen wrote:
I figured adding about 4" to the bigger wires might relieve some of the acute bending as they seem to be the most affected by the pinch.
Whatever you can do to prevent bending will help.? One thing some of us found years ago is that the loom is tie wrapped to a bracket just inside the cab.? That causes it to bend instead of 'float' in and out.
--
Duane
05HD Rialta
227K Miles


 

One thing some of us found years ago is that the loom is tie wrapped to a bracket just inside the cab.
Thanks Duane I heard others have just clip the tie wrap and let it hang. I'll see if one is needed when I do the install at fuse panel. Dumb question but do Germans use a metric wire gauge? I was going to use 18 GA for the small wires but some are even smaller, more like 20ga but not 22. I've already spliced in one wire using 18ga. Seems pretty close to me.
Spencer


On Fri, Sep 20, 2024 at 3:03?PM Duane via <txpigeon=[email protected]> wrote:
On Fri, Sep 20, 2024 at 01:08 PM, Spencer Allen wrote:
I figured adding about 4" to the bigger wires might relieve some of the acute bending as they seem to be the most affected by the pinch.
Whatever you can do to prevent bending will help.? One thing some of us found years ago is that the loom is tie wrapped to a bracket just inside the cab.? That causes it to bend instead of 'float' in and out.
--
Duane
05HD Rialta
227K Miles


 
Edited

On Fri, Sep 20, 2024 at 03:47 PM, Spencer Allen wrote:
Dumb question but do Germans use a metric wire gauge? I was going to use 18 GA for the small wires but some are even smaller, more like 20ga but not 22
If you have access to the wiring diagrams, they give the wire size in circular mils. ?/g/eurovanupdate/files/vw.t4.wd.48.pdf is an example.? Most have a close standard gauge.? If in doubt, use the next larger size.
?
Correction:? The sizes on the diagrams are in mm2, not circular mils.? Comparisons can be found .
--
Duane
05HD Rialta
227K Miles