I believe that is for load-dependent timing. The local diesel specialist
here told me (on my 1.9 TD) not to worry about hooking it up, as it really
has little advantage in the van.

Karl Mullendore
Westy Ventures
1987 Syncro Westfalia 1.9TD

----- Original Message -----
> I am nearing completion of my conversion and have encountered a small
> problem .
> My injection pump has a device attached to the right lower side where
> normally aspirated diesels have a plate fastened by 2 bolts.  The device
> appears to possibly be a solenoid valve and has a single pole electrical
> connection and a small steel line running to the base of the pump near
> the fuel inlet.
>
> My question is what is this device and to what source should I connect
> the electrical circuit?
>
> Thanks,
> Harry