1. Install indicator buIb, gaskets, and lens.
2. Remove engine harness circuit 328 plug (1) from
differential high oil temp switch (2).
3. Tum MASTER SWITCH to ON (see your -10).
4. Is DIFF OIL HI TEMP indicator off?
l
1. Install a jumper wire between engine harness
circuit 328 plug pin and ground.
GO TO PAGE 3-162
2. Is DIFF OIL HI TEMP light ON?
I
1. Replace differential high oil temp switch
2. Verify no faults found.
3-160
TM 9-2350-261-20-1
(page 15-4)