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Un-Registered User
Join Date: Apr 2007
Location: Upstate New York
Posts: 902
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What is the brand and model number of the oxygen sensor? I would bet that it is pulling more than 1 amp @12vdc. If you can't keep the current draw below 1 amp, that regulator wont work, even with a heat sink. I am an electrical controls engineer, and I work with these kind of things everyday. If you can give me the part number for the sensor, I can suggest an alternative way to make this work.
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Don
1988 Targa
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