Hi,

I changed my coolant to prestone long life last September and all through
the fall, cold winter and average spring the low level light acted like it
should.

Now in the hot and humid summer the light does not want to shut off until
the engine is warmed up. Then it goes out and acts normally even if the van
is shut off for a short time.

I was thinking the coolant conductivity had changed with age but with the
previous scientific posting  from a fellow listee I had second thoughts.

Anyway I shorted the level switch connector with a jumper wire and the light
kept on blinking....so it's not the coolant conductivity in my case.

Bye,

Mark Ingalls

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