TM 9-4120-403-14
Figure 4-49. Fan Relay (K7)
Test
(1) Tag and disconnect all wires.
(2) Use a multimeter set on lowest OHMS scale to check continuity between terminals Al and A2, B 1 and B2,
C 1 and C2, and D 1 and D2. All four contacts should be open. If there is continuity, notify your supervisor.
(3) See tags and wiring diagram (fig 4-43) and connect leads.
Follow-on procedure:
4-133