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jd 790e speed sensor

mg2361

Senior Member
Joined
Jul 5, 2016
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6,801
Location
Pennsylvania
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Equipment Mechanic
Welcome to HEF Rich;)!

Unfortunately, there is no published specification for that sensor in the Deere manuals. Maybe one of the guys with access to the Hitachi equivalent manuals has that spec.
 

rich stansell

New Member
Joined
Oct 23, 2024
Messages
4
Location
south carolina
TU

im getting a steady 1vac with engine speed changes. Changed out speed sensor with a new one and got the same results. any ideas on how that could happen?
 

mg2361

Senior Member
Joined
Jul 5, 2016
Messages
6,801
Location
Pennsylvania
Occupation
Equipment Mechanic
Measure the sensor using the Hertz measurement, not AC voltage. See what you get with the rpm change.
 
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