Lull 944E-42 Service Manual - Manual (Page 687)

9.177 Model 644E-42/944E-42 Rev. 6/04
Electrical System
3. Label and disconnect the wire connector (4) from the
horn (1).
4. Remove the nut (5) and flat washer (6) securing the
horn with bracket to weld stud on the vehicle frame.
Remove the horn (1) from the vehicle.
Disassembly
DO NOT disassemble the horn. Replace a defective or
faulty horn with a new part.
Inspection and Replacement
Test the horn using short, heavy-gauge wires connected
to a fused or otherwise protected 6-amp minimum output,
12-volt DC power supply. Replace a defective or faulty
horn with a new part.
Installation and Testing
1. Position the horn with bracket (1) on its mounting
stud and secure with flat washer (6) and nut (5).
Torque to 10 - 16 lb-ft (7 - 12 Nm)
2. Connect the wiring harness connector lead (4) to the
horn.
3. If the vehicle has dual batteries, connect both
negative battery cables (9 and 10) to both batteries.
Connect the lower negative battery cable (9) to the
negative (-) terminal on the lower battery (11). Swing
the upper battery box (14) in and make sure that the
lip (13) on the upper battery box slides below the
knob (12). Secure in place with the knob.
4. Lower and lock engine cover. To release and lower
the engine cover (7) from the fully raised position, lift
up slightly on the cover and push the upper part of
the right gas shock (8) (orange tab) to the left. Line
up the upper part of the shock lock tube with the
lower part of the gas shock and pull the cover down
to the closed position.
5. Test the horn by turning the ignition switch to the
RUN position and pressing the horn button. The
horn should sound.
MU0650
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