With engine off, and battery with charge, loosen one cable at the battery. Watch the gauge and tap the cable on the post of the battery. if the meeter wiggles from zero to negative there is a system drain. If there is not, the needle is just a little off, and there is no drain. The battery is bad. If there was a drain (meter wiggled) do the following: If it has a voltage regulator (many do some do not), remove the Bat wire from the Voltage regulator and watch the needle. if it wiggles, the VR is either bad, or is a unit designed for 6v negative ground with solid state components that will draw current. Replace it. If it has a cutout relay, disconnect the Bat wire at the cutout. Watch the meter if it wiggles the cutout is bad. If it does not, the issue is in the light switch causing the lights to get voltage when they should not. Jim
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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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