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Sevcon Troubleshooting
Page 12
Electrical Troubleshooting
Test 6. ACCELERATOR MODULE FAULT
Disconnect the truck harness from the accelerator module. Connect the plug on the short end of
the 75-089-00 test harness to the accelerator module. Connect the receptacle on the short end of
the test harness to the vehicles control harness. The long end of the harness will be used for
testing. Refer to the illustration below.
This testing cannot be completed without the 75-089-00 test harness.
Unless specified otherwise, all references to a pin # is referring the connector on the long end of
the test harness. Refer to the illustration for the pin locations in the connector. The pin numbers
are cast into the connector as shown in the illustration.
TEST 6.1:
Accelerator pedal released.
Test the voltage from pin #9 to battery positive.
If the voltage equals battery volts ,then skip ahead
to test #6.2.
If the voltage does not equal battery volts, then
check the wire from pin #9 to the battery voltage
negative circuit breaker.
Stop trouble shooting here and repair the problem.
When the repair is completed, completely retest the
vehicle before lowering the drive wheels to the
ground.
All tests in this section (6) with the Key switch in the ON position.
INTO THE HARNESS
PLUG THIS END
INTO THE MODULE
PLUG THIS END
FOR TESTING
USE THIS END
9
6
7
4
3
1
The Accelerator Module
Test harness
Accelerator pedal depressed
meas to depress the accelerator pedal fully (full speed).
Accelerator pedal released
means to completely release the accelerator pedal (off).
Summary of Contents for TT-316-36
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Page 6: ...TAYLOR DUNN...
Page 12: ...TAYLOR DUNN...
Page 28: ...TAYLOR DUNN...
Page 76: ...TAYLOR DUNN...
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Page 96: ...TAYLOR DUNN...
Page 99: ...Sevcon Troubleshooting Page 3 Electrical Troubleshooting Identifying Your Controller...
Page 120: ...TAYLOR DUNN...
Page 134: ...TAYLOR DUNN...
Page 138: ...Illustrated Parts Page 2 Front Fork...
Page 140: ...Illustrated Parts Page 4 Front Brakes...
Page 142: ...Illustrated Parts Page 6 Tilt Steering Column and Gear...
Page 146: ...Illustrated Parts Page 10 Transmission Differential Case Rear Axle...
Page 148: ...Illustrated Parts Page 12 Rear Brakes Master Cylinder 8 Brake Body...
Page 150: ...Illustrated Parts Page 14 Rear Suspension...
Page 152: ...Illustrated Parts Page 16 Motor...
Page 156: ...Illustrated Parts Page 20 Brake Lines...
Page 158: ...Illustrated Parts Page 22 Wheels and Tires Ref wheel hub 1 2 5 assembly 4 3 6 7 8 9 10...
Page 164: ...Illustrated Parts Page 28 Miscellaneous Frame and Body...
Page 168: ...Illustrated Parts Page 32 Decals...
Page 172: ...TAYLOR DUNN...