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There is probably little or no voltage difference between the batteries. The battery that needs the jump can still be too weak to turn the starter.
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∙ 13y ago
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Why does your battery teminal spark when you connect the red jumper cable?
Something is on drawing power from the battery. Always connect the positive cable first and the negative cable last.
How do you use jump leads?
Also known as jumper cables? Attach the RED cable to the positive post of the good battery, then positive post of dead battery. BLACK cable to negative post of good battery, then to SOLID METAL on engine away from dead battery. Start car with good battery, then car with bad battery. Remove in the reverse order, and do not let the ends touch each other. When making last connection, there will be a spark. If that spark is at a battery, it can make the battery explode- car batteries give off hydrogen gas. Procedure above keeps spark away from battery.
How to replace spark plugs on Grand Vitara 2000?
Disconnect the battery, remove the spark plug covers and cable, and remove the old spark plugs. Put in the new spark plugs, replace the covers and cable, and reconnect the battery.
What ground wire would make a battery spark?
Any wire or other metal object which touches the positive (+) connection of the battery AND the negative (-) battery connection OR the metal bodywork will spark
How to jump start car battery?
You have a dead battery and need a jump start. There is the right way and the wrong way to accomplish a jump start safely.Because of the potentially severe hazards due to improper use of jumper cables it must be done correctly. Auto batteries contain Sulphuric Acid which can blind you, or at the very least burn your skin. Also auto batteries vent off Hydrogen Gas which is highly explosive even from the slightest spark. Because of this danger it is critical to attach the jumper cables in a precise sequence.1. Park the vehicle with the GOOD battery close to the vehicle with the BAD battery but do not let the vehicle touch each other. Make sure the cables are not routed so as to touch any moving parts, such as a fan blade.2. Attach the jumper cable Positive + terminal to the GOOD battery Positive + terminal.3. Attach the other end of the jumper cable Positive +terminal to the BAD battery Positive + terminal.4. Attach the Negative - jumper cable terminal to the GOOD battery Negative - terminal.5. Attach the last jumper cable Negative - terminal to a heavy metal ground part of the engine and NOTto the dead battery Negative - terminal. Reason being this last connection will cause a spark, and you do not want a spark next to the battery where it could ignite the Hydrogen.6. If the engine of the donor vehicle with the good battery was not left running, start the engine and let it run for 2-3 minutes to put a charge in the bad battery.7. Start the vehicle with the BAD battery and then remove the jumper cables from the batteries in the exact opposite order you installed them.
How do you jump start a 2000 venture?
You have a dead battery and need a jump start. There is the right way and the wrong way to accomplish a jump start safely. Because of the potentially severe hazards due to improper use of jumper cables it must be done correctly. Auto batteries contain Sulphuric Acid which can blind you, or at the very least burn your skin. Also auto batteries vent off Hydrogen Gas which is highly explosive even from the slightest spark. Because of this danger it is critical to attach the jumper cables in a precise sequence. 1. Park the vehicle with the GOOD battery close to the vehicle with the BAD battery but do not let the vehicle touch each other. Make sure the cables are not routed so as to touch any moving parts, such as a fan blade. 2. Attach the jumper cable Positive + terminal to the GOOD battery Positive + terminal. 3. Attach the other end of the jumper cable Positive + terminal to the BAD battery Positive + terminal. 4. Attach the Negative - jumper cable terminal to the GOOD battery Negative - terminal. 5. Attach the last jumper cable Negative - terminal to a heavy metal ground part of the engine and NOT to the dead battery Negative - terminal. Reason being this last connection will cause a spark, and you do not want a spark next to the battery where it could ignite the Hydrogen. 6. If the engine of the donor vehicle with the good battery was not left running, start the engine and let it run for 2-3 minutes to put a charge in the bad battery. 7. Start the vehicle with the BAD battery and then remove the jumper cables from the batteries in the exact opposite order you installed them.
How do you jump start a dead battery on a 2003 Oldsmobile aurora?
I copied this from my own blog.Jumper Cable SafetyYou have a dead battery and need a jump start. There is the right way and the wrong way to accomplish a jump start safely.Because of the potentially severe hazards due to improper use of jumper cables it must be done correctly. Auto batteries contain Sulphuric Acid which can blind you, or at the very least burn your skin. Also auto batteries vent off Hydrogen Gas which is highly explosive even from the slightest spark. Because of this danger it is critical to attach the jumper cables in a precise sequence.1. Park the vehicle with the GOOD battery close to the vehicle with the BAD battery but do not let the vehicle touch each other. Make sure the cables are not routed so as to touch any moving parts, such as a fan blade.2. Attach the jumper cable Positive + terminal to the GOOD battery Positive + terminal.3. Attach the other end of the jumper cable Positive +terminal to the BAD battery Positive + terminal.4. Attach the Negative - jumper cable terminal to the GOOD battery Negative - terminal.5. Attach the last jumper cable Negative - terminal to a heavy metal ground part of the engine and NOTto the dead battery Negative - terminal. Reason being this last connection will cause a spark, and you do not want a spark next to the battery where it could ignite the Hydrogen.6. If the engine of the donor vehicle with the good battery was not left running, start the engine and let it run for 2-3 minutes to put a charge in the bad battery.7. Start the vehicle with the BAD battery and then remove the jumper cables from the batteries in the exact opposite order you installed them.
How do you replace a spark plug in a Nissan 1991 Pathfinder?
Sparks plugs are replaced by disconnecting the battery, removing the spark plug cable and boot, and by removing the old spark plug. Next put in the new spark plug, attach the boot and cable and reconnect the battery.
Why not clamp negative clamp to battery?
Because there may be a spark when you connect a jumper cable negative clamp to the battery post which can cause an explosion. Batteries emit hydrogen gas which is very volitive. Always connect the negative clamp to the engine or another ground point on the vehicle.
Why dead battery in morning 1987 El Camino?
you possibly have something draining the battery when the car is shut off, with the car shut off pull the positive cable off the battery and then just touch the cable to the positive post of the battery and see if you get a spark, if you get a spark you have something electrical draining the battery.
Why would negative battery cable spark?
Something on the vehicle is on pulling power.
What could be draining the battery on a 1970 firebird?
It could be lights on in the trunk or a short someplace, your best bet would be to touch positive cable to the battery and if you get a spark something is drawing power from the battery, pull one fuse at a time and recheck the spark at the battery and when you have a fuse pulled and it finally doesn't spark when you touch the positive cable to the battery terminal you have found the circuit that your problem is in.
