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Un-Registered User
Join Date: Apr 2007
Location: Upstate New York
Posts: 902
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It appears that you have 2 wireless voltage transmitters and 1 wireless current transmitter. If this is correct, each of these units has an internal battery to power it. If the lower unit is a current transmitter, it is not hooked up correctly. The input to the unit should be tied in series with the positive(+12vdc) lead to detect the current flow. Also, the voltage regulator is likely capable of 1amp max. You could be drawing more than that if the current transmitter is hooked up incorrectly. What is the spec for current draw on the oxygen sensor?
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Don
1988 Targa
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