Thank all, you have all been helpful and have kept me going through this nightmare.
Let me explain what the physical wiring is and how it is routed.
The CL sensor has a Brown and a Brown/Blue.
The WL sensor has a Brown and a Brown/Yellow .
The Brown wire from the WL sensor runs to ground THROUGH the CL sensor.
The Ground or Brown wire runs from the CL sensor into the loom at the right fender and disappears into the main loom traveling to the fire wall.
It is not Grounded on the inner fender as I first thought.
although schematic shows each sensor with it's own dedicated ground.
BUT, the wiring on the
www.autolib,( MOD, PDF ) is showing a Brown/Yellow to the CL sensor ( ? ) It also shows each bulb seperately wired to it's own sensor, NOT SO ! Car has SHARED single Brown to ground from the CL sensor.( or at least into loom.)
I also cannot get the LOW WASHER fluid lamp to come on..
..Was so busy trying to get the Coolant lamp to go out, I did not check to see if Washer sensor would make lamp come on. I have now and lamp does not come on with Washer sensor out of bottle. The lamp comes on only with the koeo bulb check.
So what the blazes has gone wrong here. Owner stated the coolant lamp came on and stayed on after last overheat...Overheat was not catastrofic, he shut down after he noticed the smell and steam from the broken heater manifold fitting on the fire wall.
dk.