Thanks, that makes sense. So many things were going batty with the climate control, I wasn't sure if it was connected or a series of things. I was also wondering, does the def and bi-level handle the heat issues and the auto hi and auto handle air and airconditioning and not heat?

Thanks

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1980 300sd - Ivory, Tobacco Interior 130,000 miles
2003 Expedition

Where a calculator on the ENIAC is equipped with 18,000 vacuum tubes and weighs 30 tons, computers in the future may have only 1,000 vacuum tubes and weigh only 1.5 tons. - Popular Mechanics, 1949