In a message dated 8/30/98 9:29:00 AM Eastern Daylight Time, averill@LDL.NET
writes:

<< While driving my 1984 Westy on the highway today, the battery/alternator
 >AND the oxygen sensor lights started to dimly flicker in unison.  This
 >concerted flickering continued to increase in intensity and frequency
 >until both the lights were on continuously.  Now they seem to both be on
 >most of the time, but occasionally - especially after driving involving
 >turning lots of corners - the both go off again.

Alternator brushes would be a top cause. How many miles on the beast? Time for
new brushes.

 >
 >Also, after parking the van on a steep (10-15 degrees) shoulder, the
 >temperature warning/coolant level light in my 1984 Westy started
 >blinking, and has been blinking for the past 1,000 miles or so.  The
 >engine temperature is well within it's typical operating range (about 1/2
 >way up the LED or below), the coolant levels in BOTH the coolant tanks
 >are fine, and the van runs great.
 >
Check the archives on this...your coolant level sensor is (prolly) cracked.
Its a VW thing, less than $20. Lots of info in the archive.

 >Anyone see this before?  Any clues as to where to start to try to chase
 >this problem? >>