Fuel Gauge Does Not Operate - Ford TRADER Workshop Manual

INSTRUMENT CLUSTER (METER)
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Fuel gauge does not operate
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9TGOTX·117
WITH TACHOMETER IWITHOUT TACHOMETER
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FUEL
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9TGOTX·11S
9TGOTX·119
WITH TACHOMETER WITHOUT TACHOMETER
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FUEL
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9TGOTX·120
9TGOTX·116
Step 1
1 . Disconnect the connector from fuel gauge sender unit.
2. Connect the red lead of the SST to the terminal-wire (Y/B)
and the black lead to a body ground.
3. Set the SST to the resistance values shown in the figure.
4. Turn the engine switch ON, and verify that the needle indi-
cates the correct values.
Indicates correct
Action
Yes
Replace fuel gauge sender unit (in fuel tank)
No
Go to Step 2
Caution
• Continue the above checks for at least two minutes
each to correctly judge the condition.
• The allowable indication error is twice the width of
the needle.
Step 2
1. Remove the instrument cluster.
2. Apply 12V to terminal 1G and ground terminal1H.
3. Connect the red lead of the SST to terminal 1 E and the black
lead to a negative battery terminal.
4. Set the SST to the resistance values shown in the figure.
5. Verify that the needle indicates the correct values.
Indicates correct
Action
Yes
Repair wire harness
(Instrument cluster-fuel gauge sender unit)
No
Replace fuel gauge sender unit
Caution
• Continue the above checks for at least two minutes
each to correctly judge the condition.
• The allowable indication error is twice the width of
the needle.
T-67