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Questions tagged [jump-start]

The process of using a charged battery from a functional vehicle to start a vehicle, usually one with a battery too drained to turn the engine.

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1answer
23 views

Smoke at post when jumping also is sparking at post when hooking up a short

Trying to jump truck. Battery post started smoking. Is that because cables were rusty and if you see spark on post when hooking up is that for sure a short?
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2answers
39 views

Car starts when jumped but will not start again after turning off

2006 VW GTI 220k mi. 1yo battery. Starts and runs fine after jumping, but once I turn the car off it will not start again. No lights come on the dashboard, wont even click on attempt to start. Is ...
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0answers
26 views

Car won't start, only 3 years old

My '16 Dart SXT for the past month won't start without needing a jump if it sits for a day without being used. Starter is fine, thought it was the battery so bought a new one and less then a week ...
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1answer
33 views

Dead battery, reversed polarity on jump, won't turn over with correct polarity

Total #rookiemove on my part - it was late, dark, I'd shovelled snow for an hour then decided to try and jump my car that had been sitting in the garage for at least a couple months without being ...
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2answers
56 views

Why would connecting jumper cables from another car cause the receiving car to go completely dark?

Here's a strange situation I encountered last night that I'm trying to wrap my head around. My mother in law drives a 2011 Subaru Legacy. Last night, her battery (since replaced) died -- not totally ...
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1answer
52 views

Using multiple jump start batteries

I was recently caught out with a flat battery. I want to buy a jump battery to make sure it doesn't happen again. My car is a BMW 3 litre, 6 cylinder diesel that will need somewhere around 500-600 ...
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1answer
47 views

Mercedes is in park, key won’t turn, lights won’t turn on, horn won’t honk, radio won’t turn on

I left my Mercedes Benz in a parking lot this past weekend since I was going out of town. It was left in park, the radio was off, and the lights were off. When I got back, I put the key in and it ...
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0answers
231 views

Car won't start. No clicking noise

I tried everything I could, even a jump start and nothing worked. When I tried to start it, it wasn't even making the clicking noise and the other car I used to jump start it, didn't struggle at all. ...
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0answers
50 views

Battery dead. Why won't my car start when jumped?

I have a 2007 Lexus ES350 with about 185K miles on it. I've owned it for about 14 months, never had a problem. Over the past couple of days it was sitting parked in my garage. I'm not sure, but the ...
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3answers
695 views

Car won't start with new battery. Only jumping starts it

Over the past little while my car was taking more and more attemptes to start until it finally would not start. Replaced the battery and cleaned the connections but it still won't start. The only ...
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3answers
63 views

Is my moto's battery dead?

I have been the owner of a Kawasaki W800 model 2012 since six years. Never had any problem with it. Three months ago, I didn't ride it at all for a few weeks, then it wouldn't start anymore (indicator ...
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2answers
43 views

opel vivaro not starting after reversed jumped cables attached

just the other day i inadvertently reversed the polarity when attaching jump cables to my opel vivaro van, it was 6am and i was working with a torch and didnt realise until i hooked the live up on the ...
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2answers
1k views

My 2010 Hyundai Elantra won't start without a jump

My car won't start without a jump. I’d jump it with cables, it will start with no problem, but as soon as I turn it off, I won't turn over.
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1answer
365 views

Is it possible to charge a 12V car battery externally with another car battery?

I have a 1991 Mazda MX-5 Miata with a dead battery in the trunk/boot. The car is currently parked between two other cars facing forward, so I cannot reach the battery terminals with my jumper cables. ...
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1answer
1k views

When to replace a battery jump-starter?

I have a battery jump-starter for many years (more than 5). I wonder if I should replace it now. How can I tell if it needs to be replaced?
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1answer
57 views

Why won't my 2004 dodge durango stay running after jumping it

I hooked car reader up and these are the numbers it gave; U1120 P0700 P0562 Where do I start to troubleshoot this?
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1answer
50 views

What battery specifications should I look at when choosing a portable jump starter?

I have a portable jump starter; but it won't start my car if it's dead. From my preliminary research, I need to focus on picking a jump starter that provides enough Cranking Amps/Cold Cranking Amps (...
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0answers
999 views

Car idles fine, but gas pedal doesn't do anything after failed jump start

I have a 2006 Toyota Camry LE. Just the other day my car battery died so I asked my neighbor for a jump. My husband normally would handle it but I took it into my hands that day being that the lady ...
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2answers
241 views

Should a 2004 Mazda 3 run after jumping when battery has a dead cell?

I have a 2004 Mazda 3. It got a new battery just over 2 years ago. About 8 months ago, the alternator died and I had that replaced and everything seemed fine in the months since then, including as ...
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1answer
65 views

Car runs for only 5 seconds after a jump start

I have a 2002 Ford focus and it keeps dying. When I jump it I can drive it for 5 sec and then shut down and I'm wondering if my radio has something to do with it because I have to twist my red and ...
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3answers
4k views

Can a lithium-ion battery really start a truck?

There are some compact lithium-ion powered devices on the market that claim that they can start cars and trucks. Youtube is full of videos with reviews and people actually starting cars with them. And ...
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5answers
2k views

Can you pushstart a hybrid / fully electric car?

I'm fairly new to mechanics and was wondering: Let's say you have a hybrid car and the battery is dead. Can you pushstart this vehicle? The same question goes for a fully electric car, however I'm ...
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1answer
5k views

Can running a vehicle with a dead alternator solely off a jump battery pack cause damage to the vehicle's battery?

I'm a service employee for a highway assistance program. I came across a vehicle where the alternator had failed, and the vehicle drew all available power from the onboard battery, causing the ...
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1answer
32 views

Can I use a Jump Starter Battery Pack to directly power LED spotlights on a motorbike?

The battery on my 125cc motorbike isn't powerful enough for any extras. Can I use a jump starter power bank and wire some extra LED lights directly to it as you would to the main battery?
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1answer
235 views

Jump starter cable wiring

I have a 1986 Defender, ex-military. These have a so-called "inspection socket" (that's the name on the wiring diagram), which I believe are meant for jump starting. They have heavy gauge wires, and I ...
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5answers
445 views

Why did a failed jumpstart work?

Sorry if this question is long, I am trying to include all the details in case that helps. My 2008 Honda Civic would not start after I had changed the brakes (left the trunk open and a door cracked ...
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3answers
727 views

Safe voltages for jump starting

For various reasons, I keep several very large four cell lithium-polymer batteries in my vehicle. Each of these batteries is rated for over 100 amps of constant current, with 10 second burst ratings ...
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2answers
140 views

Jumpstarting a vehicle with no charge time

Recently, I came across someone needing a jumpstart who asked me to help them. I agreed to help and went about starting to jump their car. I don't know a lot about cars, but I know the basic steps to ...
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2answers
132 views

Jump start car battery

I connected the jump leads red to the two positives and the black cable from flat negative to a metal earth point on the charged battery car. Only figuring out the black should be the other way round,...
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0answers
20k views

Car will not start while trying to jump start, just clicks

I have a 2012 Jeep Liberty with about 100,000 miles on it. When I went out to it this morning to turn it on all the lights turned on for a second then went off. After that nothing electrical in the ...
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3answers
792 views

Does different voltage jump starter make a difference?

I want to get a jump starter power-bank for my car. There are two types, one with 15v and the other with 12v both 10000mAh. Does the difference of voltage make difference?
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4answers
30k views

What are the risks of jump-starting a modern car?

I'm aware of the general risks, i.e. igniting hydrogen gas with a spark, and accidentally hooking up the leads backwards. But I have been reading conflicting information about whether one should even ...
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2answers
221 views

Jumping a bad battery?

What would cause the negative side of jumper cables to get so hot the rubber sloths off when charging a deep cell battery off your car?
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5answers
5k views

Using an Anderson plug to jump start a vehicle

So I want to buy an Anderson plug to install on my car in case I need to give someone a jump. Some of them say 300 amps and some say they are 50. The confusion is tow trucks have these. If cars and ...
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1answer
77 views

Why is it difficult to start Hyundais? [closed]

I heard from a friend that has a Hyundai that it is difficult to jump start them. She said the guy had to use two battery packs, one the normal handheld one, and another that was much larger. Why is ...
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0answers
259 views

Damage during jumpstart

I used my vehicle jump start another vehicle,the other vehicle started then died out, not cables remained on both vehicles for about 20 minutes before realizing the other vehicle died. Now my vehicle ...
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4answers
8k views

Can hooking up jumper cables incorrectly cause one to have to replace the throttle body?

Can hooking up jumper cables incorrectly cause one to have to replace the throttlebody? I own a 2007 Toyota Camry XLe (6-cylinder) and accidentally hooked battery cables up to the wrong post. The ...
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6answers
18k views

Can I jump start one car with two other cars in parallel?

If I'm in a pinch, and I have a small car that can't put out enough cranking amps to start a bigger one, could I connect two cars in parallel to start the bigger one? Will it mess up the alternators ...
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1answer
871 views

Jump starting when boot is locked Volvo bifuel v70

I can't jump start my Volvo V70 as my boot is locked.I have been told that I can jumpstart it on the engine ,but where? Battery is in the boot..it's a bifuel estate.
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2answers
12k views

Battery at 12V but car still not starting

My car is not starting up. I have checked the following, what else could I check? Measured the Battery Voltage and it is at 12V Tried to jump start the car from another car and also a battery jump ...
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1answer
2k views

Bang & small flames when I tried to jump start, now nothing

I tried to jump start my car (a 2006 Ford Focus, 1,600 cc) and there was a bang and small flames. Now, nothing happens when I try to start the car. Can anyone tell me what could have happened?
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4answers
47k views

Why do cars die after removing jumper cables?

I work at an auction site where we have to move cars from one spot to another. Often, we get a car with a dead battery that we have to jump. I've noticed that if the jumper cables are removed a ...
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0answers
650 views

Isuzu KB won't Start after an Hour

I parked my Isuzu KB Fleetside diesel bakkie (truck). An hour later, I tried to start it, but the engine wouldn't start. It turns on, but the starter does not crank. The lights turn on, but the ...
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2answers
401 views

2005 VW Golf 1.4 will not start, has new battery

2005 VW Golf 1.4 5-door hatchback manual. I keep having to get my car jump started everyday after only a few hours of being parked. When I turn the key, it just does a "click, click, click" noise ...
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5answers
74k views

Car wont start unless I use jumper cables but battery is fine

2002 Acura RSX. Battery is fine all lights come on in car. Car will even almost start just missing that last step. I am only able to overcome the last step when I use jumper cables.
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1answer
41 views

Idle doesn't hold on 2006 Toyota pick up truck after giving a jump, actually failing to give a jump.

We have a 2006 toyota pick up truck and a 2000 mustang with a dead battery. Cable's have been Properly connected. 1, I can get no current flow, no jump from the toyota, yet it starts the pick up ...
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2answers
357 views

Are there some kinds of modern car, which cannot be bump-started?

Over the weekend I had a situation where a 2010 VW Golf Diesel had a flat battery. I had a nice long but gentle hill to let it roll down, so I attempted a bump start, which didn't work. When starting ...
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1answer
380 views

Starting a diesel tractor

I have a diesel tractor with a generator. After sitting for a long period the battery was low so I used a portable jumper battery but mistakenly hooked up the cables in reverse. This caused smoke to ...
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3answers
4k views

Why is gas around a car battery only at risk of ignition from jumper cables?

As pointed out in Jump starting a dead battery: Connect black wire to negative pole of battery or grounded metal?, you connect the black jumper cable to the dead car's chassis to avoid sparks made ...
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1answer
960 views

When jump starting a car why not hook up the negative on the donor car last? [duplicate]

I understand the safety concerns leading to grounding to the frame or engine for the car with a dead battery. From what I've read the dead battery is the one with a chance of venting hydrogen, but ...