TM10-3930-660-20 17-7. CAB DEFROSTER FANS - REPLACE (Cont’d) 2. REMOVE FOUR SCREWS (11), AND FAN (1) FROM FAN MOUNT (12). 3. IF NECESSARY, REMOVE GROMMET (13). INSTALLATION 1. IF REMOVED, INSTALL GROMMET (13). Apply Loctite 242 to threads of screws (11) l 2. INSTALL FAN (1) ON FAN MOUNT (12) AND SECURE WITH FOUR SCREWS (11). 3. CONNECT FAN (1) WIRING. a. Install lockwasher (10), ground wire (4), lockwasher (9), clamp (8), flatwasher (7), lockwasher (6), and secure with nut (5). b. Connect male connector (2) to cab harness female connector (3). 4. CONNECT NEGATIVE BATTERY CABLE, PARA.  8-44. 17-20