[T3] Ground for Fuel Pump Plug

SCS Crewcab scscrewcab at bellsouth.net
Tue Jul 12 23:46:24 PDT 2011


That's where the Krauts have stumped the Yank. I do not see any place 
where an opening, overlap, etc. exists in a grey jacket bundle where 
that wire could emerge. I may have to punt and run a new wire to the ECU.


On 7/13/2011 12:40 AM, Jim Adney wrote:
> On 12 Jul 2011 at 23:27, SCS Crewcab wrote:
>
>> Not clear on explanation of whereabouts of the ground wire coming from
>> terminal 19 of the ECU. What I have now is a white wire coming out of a
>> slit in a section of harness that has a black jacket on it. That wire
>> has continuity to terminal 85 of the pump relay. Attached to that wire
>> is an inline (VW OEM) clear connector about 2 inches long. Attached to
>> the other side of the connector is another white wire that is broken
>> off. I can't see any other breaks or openings in that jacket.
>>
>> Does the wire from terminal 19 of the ECU and the wire to terminal 85 of
>> the fuel pump relay run in the same bundle of wires or does each run in
>> different bundles? If they run in the same bundle, shouldn't there be a
>> break in that jacket somewhere to the left (towards the ECU) of where
>> the wire to terminal 85 of the pump relay now exits?
> The white wire from the black harness is from the "body" wiring
> harness, which carries it back to the relay, as you discovered. The
> other white wire came out of the FI wiring harness, which is grey,
> and leads to the FI brain. I don't think either originally came out
> via a slit, but rather thru a place where one section of vinyl jacket
> overlapped another. The inline connector is the means for making the
> connection between the body harness and the FI harness.
>
> So you need to be looking at the grey (FI) harness for the rest of
> the broken white wire.
>



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