Older cars run on vacuum. The line runs from the engine to the panel. If it's broke at the engine repair it with rubber hose. If it is the harness run a new line. Newer cars are controlled by electricity. Unlikely all the motors went bad. Check fuses, or replace the dash controller.
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Older cars run on vacuum. The line runs from the engine to the panel. If it's broke at the engine repair it with rubber hose. If it is the harness run a new line. Newer cars are controlled by electricity. Unlikely all the motors went bad. Check fuses, or replace the dash controller.