Michael Knight
'77 Westy Deluxe, "el Verde"
'85 Vanagon GL, nameless
http://photos.yahoo.com/electrictrain@sbcglobal.net

>From: John Bange

>Actually, the early model just uses a simple passive system: If the .3
>sensor closes contact, the oil light comes on. The newer system runs
>everything thru a small L-shaped circuit board inside the speedometer
>housing. Probably the easiest way to keep the system from switching
>focus from the .3 sensor to the non-existant .9 sensor is to cut the
>trace carrying the tach signal to the board inside the speedometer.
>The board is fed through a long multi-pin header along the top edge of
>the rear of the speedometer.

I will pull the cluster when I get home and see what I can find. I do have
the other to compare to as well.

Thanks,