Anyone have any experience troubleshooting the coolant level warning light circuit? My warning light won't go out, it blinks all the time now. The coolant reservoir is full to the brim so that's not the problem. When I measure the resistance of the coolant level sensor with an ohmmeter, it initially reads around 200 KOhms but the reading rises until it's off the scale of the meter (> 2 MOhm). This seems very weird to me but when I measure a brand new sensor in a fresh 50/50 mix of Autobahn coolant it behaves the same way. The circuit diagram in Bentley is very strange as well. It shows a single connection to the dash pod that services both the coolant level warning light and the temp gauge. How can one signal control both functions? The temp gauge is working just fine. I suspect I might have a bad coolant level control circuit (the relay like thing that plugs into the fuse block) but I'd like to verify that it's not a bad connection before I get a new one. Another weird thing is that the warning light flashes even when I remove the control circuit. Any insight into this problem would be appreciated. ------------- Mark McCulley 87 syncro Westfalia (almost ready to hit the road)
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