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Wacky computer problem - HELP!! 1800

posted by  Grey240Polar on  Mon Dec 1 04:47 CST 2003
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so I am still wondering if there's some way that the circuitry that protects the computer could have been inadvertently damaged when Dad had some welding done on the car a while back.

This is interesting information. The welding could have caused damage to the ECU if the battery ground lead was not disconnected before welding began. Even in my non-computerized Amazon I disconnect the ground lead before welding to protect the alternator's diodes from surges. There is one thing most semiconductors can't withstand, and that is a high voltage-surge (spike).






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