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Bring the horn back to life with the Peterbilt Horn Contact Ring. Mounting the Peterbilt 451656C1 in the column restores the contact that carries the horn circuit through the turning steering wheel. A worn or broken ring makes the horn work only at certain wheel positions or not at all, and this ring comes as a complete part with its wire attached. Drivers get a horn that sounds every time, which matters for warning other drivers and passing inspection.
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