Jun 11, 2008 · Connect the jumper cables for about 5 minutes before trying to start the car. This will give the battery some time to take a charge. It’s so depleted that all the current from the donor car is going to the dead battery, leaving little to turn the engine over. Or, you may just have crummy connections.

Mar 23, 2017 · 12 volt systems, why do you think the brand or size of car matters. Amps. As @Tester pointed out, OP’s jumper cables are good for 12 amps if the cables are 15 feet long. I’m guessing they’re shorter than that, so let’s be generous and …

Apr 29, 2012 · When I was 19 a battery exploded on me as I disconnected jumper cables from it. The whole top of the battery blew off - shooting plastic shrapnel all over the place. Battery acid sprayed all over me, including my face. The sound was like a cherry bomb going off next to my ear. I flushed my eyes out for a long time under the big sink we had.

Sep 18, 2013 · Connect the positive post of the new battery to the positive cable of the car, negative to negative. (Carefully!) disconnect old battery, leaving new battery powering car. Put new battery in car. Once each clamp physically touches the post, slip the jumper off the bottom of the post, so the battery can be clamped down.

Mar 7, 2008 · With GOOD battery cables you can jump a car and start the dead car immediatly. The cigarette lighter cables work like a trickle charger. It will take a very long time. But it is a LOT easier to setup. Many years ago I bought a Solar Power battery charger that plugs into the cigarett lighter. I actually works.

Jan 13, 2022 · After sitting in sub-zero weather for a few days, I needed to jump my 2014 Outback to get it started. Hooked up the cables, turned the key, and then the horn started blasting. Disconnected the cables and eventually realized I had hooked them up backwards. Now I’m beating myself up pretty hard here and honestly I’m worried about my cognitive state having …

Sep 5, 2017 · Cheap jumper cables are 10ga wire which is not adequate to jump start a car. Cables that light are only useful to connect a dead batter to the battery on a running vehicle and allowing the dead battery to charge for whatever time is necessary to charge it.

Feb 13, 2023 · Auto Pros recommend when jumpstarting you can mitigate the likelihood of a fried ECM/PCM, or other sensitive component by being sure the “doner” engine is off and its key removed prior to connecting cables, but whenever you use jumper cables voltage spikes can still occur and damage components. They say the safest way to jumpstart is with a battery pack. …

Nov 24, 2008 · Then start the good car, and put something between the throttle and the throttle stop to get it to a fast idle. Then have a cup of coffee while it charges the battery on the dead car. Then turn the good car off again, but leave the cables connected, start the dead car, and then remove the cables.

Nov 30, 2009 · As soon as the dead car starts and is running smoothly I disconnect the ground from the donor car first, then the positive, then the connections from the dead battery last. You don’t want the two cars running while connected by the jumper cables any longer than absolutely necessary. Once the dead car is running it should be able to run on its ...