Engagement Switch Test: Oldsmobile

Turn ignition switch to accessory position. Using test lamp, touch one test lamp probe to terminal No. 2 and other probe to terminal No. 3. Lamp should light. Push engaging switch button all the way in and light should go out. If light does not go out, replace switch. Touch one test lamp probe to terminal No. 1 and other probe to terminal No. 3. Lamp should not light. If lamp lights, replace switch. Push engaging switch in slowly. Lamp should light when first depressed (first detent) and go out when fully depressed.