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#31
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Hmm... I'm a little concerned with the 12.4 reading itself... is anything powered on during this test? the battery should read 12.7 or higher.
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere! |
#32
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Quote:
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere! |
#33
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Always something to do.......one of these days I"ll get the money up to buy a new car but until then, I have a permanent date with Mr. Wrench. |
#34
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Including overproduction of a size type or where on the shelves too long is another thought plus of course under test conditions they could not reach their amperage ratings. A lot of people I know locally are using them with no complaints. Usually around 40.00 here. We have no new battery producers locally so the seconds should be available in most areas I suspect. I would not depend on a battery test in your case. After driving the car for awhile. Check the voltage at the battery with the engine running. It should be thirteen volts plus but not higher than say 14.5. turn the car off. You can check it then and see what you have. It is far better to let the battery sit for a couple of hours though as then the surface charge is gone. It has to be 12.7 to be considered a probable good battery. At 12.4 0r 12.5 it has seen better days and needs replaced. Doing it this way also tells you the general state of your charging system. For example if your meter only reads say 12.4 across the battery with the engine running you either have a constant on glow plug situation when the engine is running or a weak alternator or connection problem. I also should mention it is a waste of money in my opinion to buy a new battery at retail if the car is not in constant service. The modern battery does not like sitting around unused that much and you can buy several seconds over time for the price of one new one at retail. Last edited by barry12345; 05-23-2016 at 11:28 PM. |
#35
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I just put the battery on a charger. It was a little low, could have been because it had been sitting on the shelf for some time before I bought it. It has a three year replacement guarantee so if it doesn't charge, I'll take it back.
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#36
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The battery shows a full charge on the charger so I performed a reading with my hand dandy voltmeter. It now reads 12.74 volts! The battery must have been down somewhat due to sitting on the shelf at the car parts store.
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