TM-9-2320-279-20-1

M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; ORGANIZATIONAL MAINTENANCE, VOLUME 1 OF 3

TM-9-2320-279-20-1 - Page 673 of 985

TM 9-2320-279-20-1

Electrical System Maintenance Instructions (Cont)

7-34. HORN RELAY REMOVAL/INSTALLATION (CONT).

NOTE

Tag and mark wires before disconnecting.

(2)

Remove four screws (3). Disconnect four wires (4, 5, 6, and 7) and ground wire (8).

(3)

Remove two screws (9) and relay (10).

b. Installation.

(1)

Connect four wires (1, 2, 3, and 4) and

ground wire (5) with four screws (6). Tighten

screws.

(2)

Install relay (7) with two screws (8).

(3)

Install heater compartment

cover (9) with six screws (10).

c. Follow-on Maintenance.

(1)

Connect batteries (para 7-91).

(2)

Check operation of horn relay

(TM 9-2320-279-10).

END OF TASK

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