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Six DIY tests confirm starter heat soak. Fix wiring and shields first; replace with a remanufactured starter only if tests show internal damage.
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Smell a burning alternator? Stop, run a two minute hood check, learn the mechanic tests that confirm failure, and find tested rebuilt units.
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Run six DIY electrical checks: battery, grounds, voltage drop, tap and jumper tests to prove a starter relay fault before replacing parts.
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