My temp./clock is blacked out most of the time. But when the car is sitting in sun and temp. gets to 80+, the LED display works---nice and clear. Very strange! Why?

Asked by Jul 15, 2012 at 12:27 AM about the 1991 Lexus LS 400 RWD

Question type: Maintenance & Repair

As I mentioned above, I have a 1991 LS400 Lexus.  The temp./clock is blacked out MOST of the time.  However, recently I noticed that when the car is sitting outside in the sun, and the temp. inside the car is 80 or more,  the temp./clock display looks and works fine---until the car cools down inside again!  Very strange!  Any idea(s) on why it is doing this?  Is the display salvageable?

1 Answer

5,855

You're better off replacing it, for some reason these displays tend to give out when they age.

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