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Lucas Test Card 3 – Diagnosing A.C. Charging System
Lucas Test Card 4 helps in diagnosing D.C. charging systems. Clicking the image will open a PDF.
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Lucas Test Card 4 – Diagnosing D.C. Charging Systems
Lucas Test Card 4 helps in diagnosing D.C. charging systems. Clicking the image will open a PDF.
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Lucas Test Card 5 – Diagnosing Opus Electronic Ignitions
Lucas Test Card 5 helps in diagnosing Opus style electronic ignitions. Clicking the image will open a PDF.
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Lucas Test Card 6 – Diagnosing Constant Energy Electronic Ignition
Lucas Test Card 6 helps in diagnosing constant energy electronic ignitions. Clicking the image will open a PDF.
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Lucas Test Card 2 – Diagnosing Starting System
Lucas test card 2 takes you step by step through the process of diagnosing starting system problems. Click image will open a PDF.
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Lucas Test Card 1 – Diagnosing Ignition Issues
Lucas Test Card 1 helps in diagnosing high and low tension problems. Clicking the image will open a PDF.
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The Lucas Uncertainty Principle
One of the basic laws of Physics is the Heisenberg Uncertainty Principle. This states that it is impossible to know both the position and the momentum of a subatomic particle at the same time. Personally, I am astounded that physicists can know either of these two properties. Of course, physicists work in air conditioned laboratories,…
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Lucas Diagnostic Aides
Back in the day—that day being sometime in the early 1980s—the Moss warehouse carried a series of informative cards that helped diagnose several systems made by Lucas. It turns out a handful of these cards remained hidden for decades like nuggets of treasure. We’re glad to post them here for all to see. Each of…
Testing your Wiring
Two basic tools are essential for trouble shooting electrical problems – a wiring diagram, and a 12 volt test light. A test light is an inexpensive little tool that looks like a cross between an ice pick and an electric screwdriver. Simple to use, it is connected by its clip to a ground. The sharp…
Under the Bonnet – Lucas Generator Charging Systems
The D.C. charging system must provide a generator output sufficient to mcci the normal vehicle electrical load plus keep the battery charged. The generator is designed such that it must always be under some form of control, both to protect it against overload, and to protect the battery against overcharge. A control box (commonly called…