New Holland 9013 – ARM / HYD: Front Lift Potentiometer Open Circuit

An open circuit has been detected in the front lift working depth potentiometer, interrupting the electrical signal to the control module. This sensor provides critical position feedback to the tractor's hydraulic control system. Without this signal, the system cannot accurately monitor the depth of the front lift operation, which can lead to erratic or unresponsive front linkage controls.

• T7.190
• T7.235
• T7.250
• T7.275
• T7000 Series
• T6.140
• T6.145 Auto Command

1. 1

   Visually inspect the wiring harness leading to the front lift potentiometer for any visible signs of damage, such as cuts, abrasions, or corrosion, paying close attention to the connector pins

2. 2

   Disconnect the potentiometer's electrical connector, clean the connector pins, and apply dielectric grease to prevent future corrosion and ensure a solid electrical connection

3. 3

   Ensure the battery is fully charged (above 12.1V) and that the main chassis ground straps are clean and tight to avoid ghost codes

4. 4

   Disconnect the potentiometer from the wiring harness and use a multimeter to measure the total resistance between the two outer terminals

5. 5

   Connect one multimeter probe to the center terminal (wiper) and the other to an outer terminal, then slowly actuate the front lift through its full range of motion, checking for smooth resistance changes without sudden jumps, dropouts, or an open line (OL)

1. 1

   Disconnect battery

   Before beginning any repair, disconnect the tractor's battery to prevent electrical shock.

2. 2

   Remove faulty potentiometer

   Locate the potentiometer on the front hitch linkage assembly and remove it.

3. 3

   Install new potentiometer

   Clean the mounting area to facilitate proper grounding, then install the new direct plug-and-play potentiometer.

4. 4

   Reconnect wiring

   Connect the wiring harness to the new potentiometer and secure it.

5. 5

   Calibrate sensor

   Perform a calibration procedure using appropriate diagnostic equipment to ensure the control system recognizes the new sensor's full range of motion.

6. 6

   Clear fault codes

   Use a diagnostic tool to clear the 9013 fault code from the controller's memory.