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Page Title:
LOW FUEL INDICATOR LIGHT AND FUEL GAGE NOT OPERATING PROPERLY |
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 TM 9-2320-285-24-1
2-20.
LIGHT SYSTEMS TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3.
LOW FUEL INDICATOR LIGHT AND FUEL GAGE NOT OPERATING PROPERLY
Step 1.
Check if fuel level sender is properly adjusted.
a.
If fuel level sender is not properly adjusted, adjust or replace (para 2-32b).
b.
If fuel level sender is properly adjusted, go to step 2 below.
Step 2.
Check fuel level sender electrical leads for loose connections.
Use an ohmmeter to check fuel level sender electrical leads for continuity.
a.
If electrical connections are loose, tighten.
b.
If continuity is not obtained, repair or replace electrical leads (para 2-35b(2)).
c.
If continuity is obtained, replace fuel level sender (para 2-32b).
4.
VEHICLE STOP LIGHTS WON'T OPERATE
Step 1.
Check service brakes stop light switch electrical leads for loose connections (para 2-32f(1)).
a.
If connections are loose, tighten.
b.
If connections are not loose, go to step 2 below.
Step 2.
Use an ohmmeter to check service brakes stop light switch electrical leads for continuity.
a.
If continuity is not obtained, repair or replace electrical leads (para 2-35d).
b.
If continuity is obtained, replace service brakes stop light switch (para 2-32f(1)).
5.
TRAILER STOP LIGHTS WON'T OPERATE
Step 1.
Check trailer hand brake stop light switch electrical leads for loose connections (para 2-32f(2)).
a.
If connections are loose, tighten.
b.
If connections are not loose, go to step 2 below.
2-189
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