TM 9-2350-261-20-1H O R N D O E S N O T O P E R A T EI N I T I A L S E T U PTools:General Mechanics Tool Kit (Item 30, App D)Digital Multimeter (Item 43, App D)Jumper WirePersonnel Required:Unit MechanicHelper (H)See your -10Equipment Conditions:Engine stopped/shutdown (see your -10)Carrier blocked (see your -10) -Trim vane lowered (see your -10)Power plant front access door open(see your -10)1. Turn MASTER SWITCH to ON.2. Is MASTER POWER indicator on?1. Remove horn ground lead plug (1) from hornjack (2).2. Measure continuity between horn ground leadplug (1) and ground.3. Does multimeter read 0 ohms?1. Go to Master Switch OnIndicator Does Not Light(page 3-129).1. Replace horn ground leadand/or connector(page 12-2).2. Verify no faults found.References:3-102
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