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POLARIS COMMERCIAL
CENTRE D'AIDE
8/25/2021

Taylor-Dunn Tiger TC-80, TC-100 and TC-120 Vehicle Controls

The information in this article applies to standard TC-80, TC-100 and TC-120 vehicles – model number TC-080-120. Note that vehicle customization may cause variation from the information in this article.

The TC-80/120 tow tractor is shown below.

TC-80/120

VEHICLE CONTROLS

Your vehicle will be equipped with one of two vehicle control configurations. 

Vehicle Controls - Configuration 1

vehicle controls

1. Ignition Switch: The ignition switch has three positions: OFF, RUN and START.  

  • Rotating the switch clockwise to the first position turns the ignition system ON.  
  • Continue rotating the switch to the START position to engage the engine starter motor. This is a momentary position, and the switch will return to the ON position when it is released.  
  • Once the switch has been released from the START position, it must be turned to OFF before it can be turned back to the START position. 

Note: Rotary switch shown. Also available as a keyed switch.  

2. Fuel Gauge: The fuel gauge displays approximately how much fuel is in the fuel tank when the ignition switch is ON. Do not refuel any vehicle while the engine is running. The fuel gauge indicator may vary slightly when the vehicle is in motion.  

The most accurate reading is obtained with the vehicle on level ground. With ignition switch OFF, the fuel gauge indicator may drift from when the ignition switch is in the on position. The fuel gauge is not available on LPG fuel systems. Refer to the gauge mounted on your LPG fuel tank. 

3. Headlight Switch: Pull the switch out to turn the lights ON. Push it in to turn lights OFF. 

4. Engine Oil Pressure: Displays the oil pressure in the engine. 

5. Engine Coolant Temperature: Displays the temperature of the engine coolant. 

6. Battery Volt Meter: Displays the battery voltage. The voltage should be in the green area of the gauge while the engine is running. If it is in the red to the right of the green area, there may be a problem with the charging system or battery. If it is in the yellow or red to the left of the green area, there may be an excessive load on the system or there may be a problem with the charging system or battery. Refer diagnosis to a qualified technician. 

7. Engine Hour Meter: Displays total hours of engine operation. 

TC-80 vehicle controls

12. Trans Service Required Lamp: This lamp can indicate one of the following codes:  

  • ON STEADY then OFF for two minutes after direction selected: Indicates time for transmission fluid to be changed.  
  • ON STEADY: Indicates that the transmission requires service for clutch replacement.  
  • FLASHES then OFF two minutes after direction selected: Indicates time to replace the transmission fluid filter.  

If this lamp is ON or FLASHING, the transmission will require service within the next 100 hours of operation. If service is not completed within 100 hours, a transmission fault will be generated and the Trans Fault Lamp will illuminate. Refer service or repair to a qualified technician.  

13. Trans Fault Lamp: If this lamp is ON, then a transmission fault has been recorded and shifts may be restricted to protect the transmission. Remove the vehicle from service and contact a qualified technician for repair. 

14. Shift Inhibit Fault Lamp: This lamp should be ON for two seconds after engine is started, and then it should turn OFF. If the lamp does not come on, contact a qualified technician for repair.  

If this lamp is ON, then a fault has occurred that will not allow the transmission to be put into gear. This could be a result of one of the following:  

  • RPM too high.  
  • Foot brake pedal not pressed.
  • If the above does not apply, then there is a transmission fault.  

Refer service or repair to a qualified technician. 

15. Overdrive Switch: Turn this switch ON to disable overdrive. Refer to your Vehicle Operator and Service Manual for more information on overdrive. 

Warning: If the fault lamp is ON, immediately and safely pull to the side of the road and stop. DO NOT turn the ignition OFF until you are in a safe stopping location and not blocking traffic. Turning the ignition OFF and back ON while the fault lamp is ON may result in the transmission being locked in neutral until the fault is cleared. 

Vehicle Controls - Configuration 2

dashboard

1. Ignition Switch: The ignition switch has three positions: OFF, RUN and START. Rotating the switch clockwise to the first position turns the ignition system ON. Rotating the switch to the START position engages the engine starter motor. This is a momentary position, and the switch will return to the ON position when it is released. Once the switch has been released from the START position, it must be turned to OFF before it can be turned back to the START position. 

2. Malfunction Indicator Light (MIL): If the Check Engine Light is on while the engine is running, the ECU has detected conditions that indicate the engine is not operating correctly.  

The Check Engine Light should be on when the ignition switch is on but the engine has not yet been started. If the light does not come on, the vehicle should be immediately removed from service to be inspected by a qualified technician. If the Check Engine Light is on, the vehicle should be immediately removed from service to be inspected by a qualified technician. To find a dealer near you, use the Dealer Locator.  

3. Horn Switch: The horn switch is in the center of the steering wheel. To sound the horn, press the center area of the steering wheel hub. 

4. Headlight Switch: The headlight switch is located on the left side of the instrument panel. Pull the switch out to turn the lights ON. Push the switch in to turn the lights OFF. 

5. Tachometer/Engine Motor: This gauge is an engine tachometer combined with a multi-function engine monitor. The top analog gauge is the tachometer and the small display at the bottom displays various engine information.  

The three buttons to the right of the gauge control the display. The information available on the display will vary depending on the vehicle configuration. This gauge is programmable using the buttons. Be careful when using the display buttons to avoid corrupting the display settings. 

Switch Functions 

6. Up Switch: Pressing and releasing this switch scrolls up through parameter displays or menu choices, or it increases user configurable values one at a time. Pressing and holding the switch continuously scrolls up until the upper limit is reached. 

7. Down Switch: Pressing and releasing this switch scrolls down through parameter displays or menu choices, or it increases user configurable values one at a time. Pressing and holding the switch continuously scrolls down until the lower limit is reached. 

8. Menu/Mode Switch: Pressing and releasing this switch either toggles through the various screens or acts as an enter button to accept menu selections or programming changes. 

OPERATOR CONTROLS 

operator controls

1. Throttle Pedal: The throttle pedal is located on the floorboard and is intended to be operated by the driver’s right foot. It controls the speed of the vehicle and operates like the throttle pedal in an automobile. Press the pedal to increase speed and release the pedal to decrease speed. 

2. Foot Brake Pedal: The foot brake pedal is located to the left of the throttle pedal. This pedal is designed for operation with the driver’s right foot. It works like the brake in an automobile. Apply pressure to the brake pedal to slow the vehicle. Relieve pressure from the pedal to release the braking action. 

3. Parking Brake: The parking brake is actuated with a hand lever and is located to the right of the driver. To set the parking brake, PULL the lever up and back until it locks. To release the park brake, PUSH the brake lever all the way down. 

Note: The parking brake can be adjusted by rotating the knob on the end of the handle. 

4. Shift Lever: Details regarding the shift lever can be found in your Vehicle Operator and Service Manual

Horn Switch: The horn switch is in the center of the steering wheel. Press the hub to sound the horn and release to turn it off. 

Turn Signals 

turn signals

Directional signals are optional and may not be installed on your vehicle. The turn signal lever is located on the left side of the steering column. Push the lever forward to activate the right turn signal and pull the lever back to activate the left turn signal. 

Hazard Light Switch: Hazard lights are optional and may not be installed on your vehicle. The hazard light switch is located on the left side of the steering column. The switch is a small tab. To activate the hazard lights, pull the tab out. To turn the hazard lights off, push forward or pull back the directional signal lever. 

Steering: The steering wheel and steering system are like an automobile. To turn right, turn the steering wheel clockwise. To turn left, turn the steering wheel counterclockwise. 

Operator Presence Switch: The operator presence switch is optional and may not be installed on your vehicle. A switch located under the driver’s seat stops the engine when the driver leaves the seat. The driver must be seated for the engine to operate.

Whenever the driver leaves the vehicle, the driver should turn the ignition switch OFF, place the shift lever in the NEUTRAL position and set the park brake. 

Transmission Shift Levers 
Depending on your vehicle configuration, the vehicle may be equipped with one of three types of shifters: 

F-N-R Shifter

shifter

The F-N-R shifter has three positions:  

  • F: All forward gears.  
  • N: Neutral.  
  • R: Reverse. 

To select a direction of travel, pull the shift lever towards the left and push forward for reverse or pull back for forward. 

Full Range Shifter with Park

shifter

The full range shifter with park has six positions:  

  • P: Park.  
  • R: Reverse.  
  • N: Neutral.  
  • D: All forward gears.  
  • 2: Gears 1 and 2.  
  • 1: Gear 1 only.  

To select a direction of travel or gear, pull the shift lever towards the left and push or pull the lever into the desired direction or gear. 

Full Range Shifter without Park 

shifter

The full range shifter without park has six positions:  

  • R: Reverse.  
  • N: Neutral.  
  • D: All forward gears.  
  • 3: Gears 1 through 3.  
  • 2: Gears 1 and 2.  
  • 1: Gear 1 only.  

To select a direction of travel or gear, pull up on the release lever under the knob and push or pull the lever into the desired direction or gear. 

Warning: Shift levers without a park position do not have a parking lock function in the transmission. Always set the park brake before leaving the driver seat. Failure to set the park brake may result in unexpected movement of the vehicle causing severe bodily injury and/or property damage. 

For more information, refer to your Vehicle Operator and Service Manual
To service your vehicle, see an authorized Commercial Dealer. To find a dealer near you, use the Dealer Locator.  

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