2-19. TROUBLESHOOTING CHART (continued).
g. GAGES (continued).
(2) ENGINE COOLANT TEMPERATURE GAGE FAILS
TO OPERATE PROPERLY, NEEDLE DOES NOT
MOVE, IS STEADY, OR INACCURATE. All other
gages operate properly.
Initial Setup:
Tools/Test Equipment:
Equipment Conditions:
Digital multimeter (DMM) (Item 13, Appendix 1)
MASTER switch set to OFF (refer to
General mechanics tool kit (Item 24,
TM 9-2350-287-10).
Appendix 1)
Remove cover from drivers portable
instrument panel (para 7-6).
Materials/Parts:
Wire (Item 77, Appendix D)
NOTE
Instead of using multi meter
for voltage
check, STE/lCE
troubleshooting,
INDIVIDUAL
BATTERY VOLTAGE TEST-TEST
89 maybe performed.
Instead of using multi meter
for continuity check, STE/lCE
troubleshooting, TEST 91 may
be performed.
A. 1. Disconnect wire 27 from coolant tempera-
ture gage.
2. Place multimeter red lead in wire 27 con-
nector, and ground black lead.
3. Turn MASTER switch ON (refer to TM 9-
2350-287-1 O).
4. Check for 24 ± 3 vdc.
5. Turn MASTER switch OFF (refer to TM 9-
2350-287-10).
Is voltage indicated?
Repair wire 27 or replace harness 12260298
(para 7-7). Verify problem is solved.
Continued on next page
2-103
TM 9-2350-287-20-1