Yessss!!!

Ok, I poked through the insulation of Vi and vi/wt with pins and measured the voltages with respect to ground.

On vi/wt I get 0v with the key off then 11.26v with the key on start.

On vi I get 0v with the key on and o.127v with the key on start.

Looks like there is a problem at the NSS.

Btw there is still the can of worms about the solenoid drawing a lot of current. I bet if I unhooked the solenoid at the screw terminals in the engine compartment the vi wire would jump up. It looks like it is getting pulled down by a big current load. But then again that could be a bad contact at the NSS adding too much resistance. Either in the connector or internally in the NSS.

We will find out soon.

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79 300TD “Old Smokey” AKA “The Mistake” (SOLD)
82 240D stick shift 335k miles (SOLD)
82 300SD 300k miles
85 300D Turbodiesel 170k miles
97 C280 147k miles