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Old 01-05-2022, 11:26 PM
Big Block Bill Big Block Bill is offline
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Quote:
Originally Posted by BB70 View Post
The test light method is ok for non- computerized older vehicles, but late model stuff needs to be measured in milliamps using a digital meter capable of such measuring. I reccomend taking it to a shop that you trust to check the car.
Disconnecting the power source, be it a fuse, a relay, or power source one at a time with the test light connected between the battery and negative cable will tell you which circuit is causing the drain when the light goes out, computerized vehicle or not.

Bill
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