TM 10-3930-669-10 Table 3-2.  Operator Troubleshooting Procedures - CONT. MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION TRANSMISSION (CONT) 2. TRANSMISSION WILL NOT ENGAGE IN FORWARD OR REVERSE. Step 1.  Set transmission speed switch to high position and check transmission high gear indicator light. If transmission high gear indicator light does not operate, power to transmission electrical system is faulty.  Notify Unit Maintenance. If transmission high gear indicator light operates, go to step 2. Step 2.  Check transmission oil level (Para 3-12). If transmission oil level is low, add oil (Para 2-12). If transmission oil level is OK, notify Unit Maintenance. 3. TRANSMISSION WILL NOT ENGAGE IN HIGH GEAR. Check transmission high gear indicator light. If transmission high gear indicator light does not operate, power to transmission high range solenoid is faulty.  Notify Unit Maintenance. If transmission high gear indicator light operates, notify Unit Maintenance. BRAKE SYSTEM 1. BRAKES DO NOT APPLY, APPLY SLOWLY, OR APPLY ABRUPTLY. Inspect brake fluid level in master cylinder. If brake fluid is low, add fluid (TM 10-3930-669-12). If brake fluid is OK, notify Unit Maintenance. 2. BRAKES DO NOT RELEASE OR RELEASE SLOWLY. Inspect brake linkage. If brake linkage is damaged or binding, notify Unit Maintenance. If brake linkage is OK, notify Unit Maintenance. 3-8