In part two of this six-part series, tips for maintaining electrical systems are shared, including helpful tools and best practices for battery maintenance and replacement.
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Effective Jan. 1, the heavy-duty onboard diagnostic (HD OBD) ruling requires truck manufacturers install OBD systems on trucks 14,001-lbs. GVWR or greater.
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Starting in 2010, OEMs will be required to install dashboard malfunction indicator lights and diagnostic trouble codes on heavy-duty trucks to warn drivers of emission problems.
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