Automotive Dictionary: High-Tension (HT)

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Automotive Dictionary: High-Tension (HT)


Throughout this site we use many technical terms, and given the breadth of readership our site enjoys, sometimes we are remiss and incorrectly assume everyone knows what we are referring to. For those that do not, here are some explanations of the technical terms use.
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High-Tension (HT)


On a car this usually refers to HT leads connecting the coil to the distributor cap and the segments in the cap to the spark plugs. The HT circuit includes the secondary winding of the coil and subsequent leads to the spark plugs, the distributor cap and the rotor. (HT also stands for High Tensile, where bolts, nuts and screws are made of medium or high-carbon steel).
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