[Vwdiesel] injector pump shutoff solenoid wiring

[James Hansen]

Go ahead and take the connector apart, test light away, if the wiring 
connections inside the connector are so bad that it can't stand being 
taken apart, it can't be functioning properly either.
As Sandy sez, the black with yellow trace is power to solenoid, brought 
to you direct from the hot, unfused side of the fuse panel, by way of 
the ignition switch. I like to get an inline fuse into that circuit at 
some point, usually where it exits the wiring harness.
Hell, you can tear the 9v battery and connector wire out of one of your 
devices, like, say a guitar effects pedal, and use that to directly 
power the solenoid for quite a while. Jumper to the battery, whatever, 
it all works, no computers.  Lord help us if they ever load Vista into a 
car ecu.  That would effectively end global warming methinks.
james

Kneale Brownson wrote:
> Looks like the wire from the solenoid goes to the connector on the back of the engine pictured here:  http://www.pbase.com/kneale_brownson/image/96127260
>    
>   Anyone know which of the wires from the connector goes to the ignition switch?  I really hate poking wires with test lights.
>    
>   Can I take the connector apart and test on the internal connections?  Or will opening this connector result in an even worse mess???
> 
> Kneale Brownson <knealeski at sbcglobal.net> wrote:
>   I've determined the wiring to the shutoff solenoid on the injection pump of my '94 Jetta TD is not working. I can start the car using a jumper from the battery.
> 
> Anyone know where the solenoid gets its power from? I know the ignition switch is supposed to supply 12 volts to the solenoid, but through what pathway? 
> 
> Can I safely run the car with the solenoid jumpered directly to the battery?
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