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heater core and electrical current

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Old 11-22-2006, 08:09 PM
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Join Date: Nov 2006
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Default heater core and electrical current


I have a '93 Silverado that has 377,000 miles on it and I have put at least ten heater cores in the truck in the last three years or so. The manufacturer said I have something not ground that causes a stray electrical current, that causes electrolisis and the heater core failure. I have tried everything I know to find this current to no avail. I have remove all the fuses, checked with my digital voltage meter and I still have a current to the radiator. Has anyone gone through this and can help me???
 
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