New Holland CX720 Repair Manual page 1819

A. With the keystart switch OFF, disconnect the connector, onto the fuel injection pump. Using a suitable
multi-meter check across terminals 3 and 4 on the pump. If either an open circuit or short to ground is
indicated the integral speed sensor is faulty.
B. Remove the fuel injection pump and have it tested/repaired by an authorised Bosch agent.
Series 1206 and above
Wiring harness - Electrical schematic frame 04 (A.30.A.88-C.20.E.04)
POWER PRODUCTION - ENGINE
2 4/7/2006
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