TROUBLESHOOTING AND ELECTRICAL SYSTEM: 850 GAS
Test Procedures
Page 12-32
2007-2008 XRT 800, 810 and 850 Maintenance and Service Manual
12
5. If the readings are within the specifications listed above, the fuel level sending unit is working properly.
If the readings are incorrect, the fuel level sending unit has failed and the fuel tank must be replaced.
See
Fuel Tank Removal on page 16-22.
6. If the readings are correct and the fuel gauge does not function correctly, check the continuity of the
orange wire from the fuel level sending unit to the fuel gauge/hour meter. Leave the battery disconnected
while checking continuity. Also check the continuity of the blue wire from the fuel gauge/hour meter to the
key switch, and the black ground wires at the fuel level sending unit and at the fuel gauge/hour meter.
See Fuel Gauge/Hour Meter Removal on page 14-21.
7. If the readings are correct according to the position of the float, but give an incorrect reading on the fuel
gauge/hour meter, test the fuel gauge/hour meter.
See Test Procedure 26 – Fuel Gauge on
page 12-32.
TEST PROCEDURE 26 – FUEL GAUGE
See General Warning on page 1-1.
Figure 12-31 Fuel Level Sending Unit Test
1. 2k Ohm Setting 2. Black Wire 3. Ground
Figure 12-32 Fuel Gauge/Hour Meter Terminals
1. Black(Jumper Wire From 6) 2. Blue 4. Orange 6. Black 7. White
2m
20
m
200
m
2k
200
200
200
200
20
2
200
m
500
20k
200k
2000
k
1000
OFF
WAVETEK
5XL
V
V
V
A
!
!
COM
200nA
MAX
1000 ---
750V
FUSED
1
3
2
1
2
6
4
7
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