DRAFT
TM 5-4210-249-13&P-1
0004
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TFFT00673P
Figure 23.
Rear Compartment Test Switch Panel.
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Key
Control or Indicator
Function
Fig. 23
1
DIESEL HEATER
Push and hold 1/2 to 5 seconds to get a diagnostic flash code.
DIAGNOSTICS Switch
2
DIESEL HEATER
Illuminates with a diagnostic flash code.
DIAGNOSTICS Indicator Light
3
TANK HEATER TEST SWITCH
Push and hold to check that tank heaters are working properly.
4
REAR TANK HEATER Indicator
Illuminates when rear tank heater is working properly.
Light
5
FRONT TANK HEATER Indicator
Illuminates when front tank heater is working properly.
Light
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