[T3] Wire Question

Jim Adney jadney at vwtype3.org
Thu Jan 31 14:58:00 PST 2013


On 31 Jan 2013 at 9:18, Bobsnotch at aol.com wrote:

> If you look in the Bentley wiring diagrams, you'll see orange circles (in  
> the color version). Those are part of the diagnostic system VW used in the  
> early 70's. These are now redundant, as that set up has long been replaced  
> with other forms of testing equipment. What most PO's do, is remove that 
> plug,  and it's wiring to clean up the engine bay. You might say it's hacked, 
> but had  the PO removed those last couple of wires, you would have never 
> known it had  existed. :O And it's only now, (a few years later) that you're in 
> there  digging that you found the remains of it. 

There are some wires in that diagnostic bundle that need to connect 
together to work properly, and there are lots of others that can/will 
cause trouble if they short together, so any removal needs to be done 
with care and understanding. It's not sufficient to just cut them all 
off.

I worked on one car where this had been a problem. Things never 
worked right until I unglued the stump of the hacked off cable, 
sorted out the wires, connected the ones that needed to be connected 
and insulated the rest.

-- 
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Jim Adney, jadney at vwtype3.org
Madison, Wisconsin, USA
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