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2005 xj8 super v8
Been leaving car with 12.7 volts at night and coming back next morning with 12.2-12.3 left.
After leaving it for an hour to power down I test with a clamp ammeter negative or positive cable, it registers sometimes .8 amps Othertimes .06mA, so varies as if intermittent! The way this started I've been having problems with the alarm going off so changed to a new battery and thought it was the culprit. Now same thing happens with the new battery. I still wonder if it is the battery again but..Testing battery and alternator via shops (two shops) they come back both good!. But again Voltage would be 12.65 and drops to 12.2 overnight or end of day! for some reason. I think I have a drain somewhere. Any ideas, reports or list of culprits on these cars that is drawing the amps at rest? I disconnected bulbs in trunk etc.. to no avail yet. What are the most common fuses to check maybe>? As everytime you check a fuse you need to wait an hour for all to power down again. Never added any third party gadgets, these cars are full of gadgets though already. 2005 XJ8's super V8 had it for three years and been a great car up till now.
Been leaving car with 12.7 volts at night and coming back next morning with 12.2-12.3 left.
After leaving it for an hour to power down I test with a clamp ammeter negative or positive cable, it registers sometimes .8 amps Othertimes .06mA, so varies as if intermittent! The way this started I've been having problems with the alarm going off so changed to a new battery and thought it was the culprit. Now same thing happens with the new battery. I still wonder if it is the battery again but..Testing battery and alternator via shops (two shops) they come back both good!. But again Voltage would be 12.65 and drops to 12.2 overnight or end of day! for some reason. I think I have a drain somewhere. Any ideas, reports or list of culprits on these cars that is drawing the amps at rest? I disconnected bulbs in trunk etc.. to no avail yet. What are the most common fuses to check maybe>? As everytime you check a fuse you need to wait an hour for all to power down again. Never added any third party gadgets, these cars are full of gadgets though already. 2005 XJ8's super V8 had it for three years and been a great car up till now.
