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TM5-4120-376-14
4-22. JUNCTION BOX AND CONTROL MODULE ASSEMBLY/Inspect, Test, Replace (Cont)
LOCATION/ITEM
Test:
Relay K9
1. Apply external 28 VDC to terminals Xl and X2; positive to Xl and negative to X2.
2. Using an ohmmeter or other continuity testing device, check continuity between terminals
A1-A2, B1-B2 and C1-C2.
3. If continuity does not exist relay is defective.
4. Replace defective relay.
Relay K4 and Relay K5 Assembly
1. Apply external 28 VDC to terminals 1 and 11.
2. Using an ohmmeter check for continuity across terminals 4 and 14; 7 and 17; 10 and 20.
3. If continuity is not found between each of the three sets of terminals, relay is defective.
4. Replace defective relay.
Relay K 1
1. Apply external 28 VDC to terminals 2 and 5; positive to 2 and negative terminal 5.
2. Using an ohmmeter check for 28 VDC across terminals 2 and 3 within 30 seconds + or -3
seconds of energizing the coil.
3. If 28 VDC is not found after 30 seconds + 3 seconds relay is defective.
4. Replace defective relay.
Installation:
Connector With Leads J-2
1.
2.
eight
3.
4.
Align wiring harness (80) with holes in junction box (20).
Secure wiring harness to junction box with eight screws (77) eight flat washers (78) and
lock washers (79).
Align wiring harness (80) and one clamp (84) with hole in junction box.
Secure clamp with one screw (81) one flat washer (82) and one nut (83).
4-114
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