Quote:
Originally Posted by amg280
Can a standard volt meter be used for this?
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A standard voltmeter would work fine...you are looking for excessive current draw, so measure amperage, not volts.
Note: I had a Jaguar that would suck the battery dry within a couple of days. The cause was a faulty alarm brain...aftermarket issue. Yanked the offending alarm and all was well from then on.
As far as the "flashing issue", likely unrelated to the unusual electrical drain. It's usually a symptom of a bad or loose ground in the illumination system. Typically, the "bulb-out" indicator circuit. The flashing should be prominent when applying brakes while the car is at rest.
I had the "flashing" occur as well. The culprit was due to loose metal grounding strips in the taillight housings. They also caused phantom "bulb-out" conditions, even when all of the bulbs were the correct type, wattage, and tested fine.