Skip to main content
Testing an instrument across the car battery-

Connect one side of a circuit tester to the battery earth terminal. With the instrument removed from the car, tough one of its terminals to the other battery terminal. Connect the tester to the other instrument terminal. The lamp should light and the instrument needle should register. If there is no light or no movement, the instrument is faulty.

Articles Title

Checking the instruments

Typical instrument panel The back of the instrument panel Warning lights and instrument bulbs ma...