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Old 01-13-2013, 04:11 PM   #7
fdryer
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Join Date: Jan 2006
Location: NYC
Posts: 43,648
 

2003 L-Series 3.0L Sedan
Default Re: Battery died now car wont start

1-An '03 has had at least one battery replaced, possibly on its 3rd battery but without knowing any history its guessing. If its the second battery then it may be on its last legs and compounds the problems; a battery located in the trunk and less than ideal guidelines about jump starting from the engine side instead of from the trunk. Eliminating the long cables is one issue, poor labeling in the engine area is another as far as using jumper cables there.

2-Using a dead/discharged battery and attempting to jump start the engine/battery with long battery cables (trunk location) may be more difficult than most can imagine. The easiest way around all these issues and eliminating any questions about jump starting the best way would be to start with the best booster cables possible.

The best booster cables are sized by gauge; 2, 4 or 6 gauge should be used. The best (and not cheap) are 2 or 4 gauge booster cables that are made for every day use for a reason - they carry the welding current necessary to supply all the current from the booster battery directly to the car that needs a jump start NOW. All other cheap discount battery jumpers are not made to do this at all -they require engine running to slowly charge a dead battery and/or use what's left of a dead battery to help with starting. These cheap jumper cables will never work to start any engine with a truly dead battery. Only the 2/4/6 gauge jumper cables will work. The smaller the number (gauge) the better as more copper wires are used to carry the large currents starters need for immediate starting from the boost battery. $50 is not unreasonable for jumper cables when it works, period.

One problem to jump starting (for Ions) from the engine side is locating the main RED positive terminal that should be labeled in large bold print to alert an owner where its safe to use jumper cables. Battery negative is always on the engine block. If I had to jump start from the engine I would find out where this can be done.

Better quality jumper cables will allow boosting to work quickly.

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