TM 5-3805-281-24-1
Sub-System Diagnostics
AIR FILTER
YES: Air filter restriction
RESTRICTION SWITCH
switch has failed.
(B1) CHECK
Replace.
NO: Check harness.
T118382 UN21NOV98
Disconnect two harness leads from air filter restriction switch.
If indicator was ON, did it go OFF with leads disconnected and key switch ON?
If indicator was OFF, connect two harness leads together.
Does indicator come ON when key switch is ON?
9015
15
64
1/1
FUEL GAUGE (P3)
YES: Gauge and gauge
CHECK
resistor are OK. Go to
fuel level sensor (B8)
check.
NO: Go to next check.
T118389 UN30NOV98
Disconnect 20-pin harness connector from monitor display and controller connector.
Connect 24 volts to 20-pin monitor display and controller pin 30.
Then ground pin 46.
Does gauge needle point to "E" with 24 volts applied to pin 30, and "F" with pin 46
grounded?
1/1
4-132
