Check operation of indicator lights: · Turn key to RUN position. M71630 · LOOK: Indicator lights (A) and (B) must light. · LOOK: On Model 445, indicator light (C) will come on and go out in two to three seconds. · If one indicator does not light, see Replacing Indicator Light Bulb in Service-Electrical section. · If new indicator bulb does not light or no indicators work, see your John Deere dealer. Test 2 IMPORTANT: Avoid damage! If test fails, the engine may start and tractor may move. Test brake switch: 1. Unlock park brake and release brake pedal. 2. Turn key to START position. 3. Engine must not crank. Test 3 IMPORTANT: Avoid damage!
If test fails, the engine may start and PTO may engage. Test PTO switch: 1. Depress brake pedal, or lock park brake. 28