Presuming your tractor has a Delco alternator it could be a bad voltage regulator or incorrect wiring. Or if the tractor has a charge idiot light it could be a simple as a burned out idiot lamp. ALSO.... if your alternator is a 10SI (internal regulator) it will NOT work with a tractor wired for an externally regulated (10DN) alternator.
Spotting difference for 10SI and 10DN alternators:
A 10SI has the aux terminal connection on the rear outside edge of the case. The terminals arranged in line: - -
The 10DN connection is on the back with the terminals parallel: I I
See the link for a diagram for an externally regulated alternator.
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Today's Featured Article - More Memories of a Field Service Engineer - by Brian Dye. Introduction: The author worked for one of the largest Ford tractor dealerships in England as a trouble-shooter on tractor engines, hydraulics and combine harvesters from 1963 to 1972. In 1972 he became a dealer manager and finally left the dealer net in 1975 to run his own electronic design and manufacturing company. [Editor] We live right in the middle of Norfolk. The dealership that I worked for sold Fordson Tractors from the 1920's and some of t
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