- #Jump start car how to#
- #Jump start car manual#
- #Jump start car full#
The other end of the black jump lead should not be connected to the dead car's battery. These pocket-sized lithium-ion battery packs cost from around 50 quid and are an absolute godsend when you can't find your jump leads or another vehicle.ĥ. A jump pack may be more useful for future 'events'.
#Jump start car full#
There's always a small chance of an explosion – batteries are full of acid.
Turn off the lights and other electrical loads on the car with the dead battery but turn on the heater blower motor, which will minimise the damage an excessive electrical surge can cause. 
Make sure the ignition switch is in the 'off' position and the transmission is in Neutral (manual) with the parking brake set, or Park (Automatic). Make sure the booster battery is the same voltage as the flat one – all modern car batteries are 12 volts. Make sure the cables are not in the way of the fan, drive belts or any other moving parts for when the vehicles are started. Move the latter vehicle as close as you can to the flat battery so that the jumper cables will reach easily, but make sure the vehicles aren't touching (this is very important). Locate the flat battery and the donor vehicle's battery. A 1.0-litre city car isn’t going to jump-start a Range Rover. 
Depending on how much the battery is discharged, jump leads may or may not start a vehicle with a weak battery.
Jump leads often allow only limited current flow, and some are designed to be used with engines of a particular capacity. Again, you'll find details in your manual. Some cars, such as certain BMWs, are fitted with special connectors to allow jump-starting, and on these models the jump leads should only be connected to the special terminals provided. Careless jump starting, particularly if the leads are allowed to spark, can cause damage to the car’s electronic components. For example, some cars have two batteries – one that is used for starting and another to maintain the car's electronics. #Jump start car manual#
First, read your car's manual to see if there are specific jump-starting instructions for your model. What to do before you use leads to jump start a car Let's start with the key things to know about this method of getting some charge back into your car's battery, which will enable you to start or continue your journey. #Jump start car how to#
In this walkthrough, we focus on how to jump-start a car with leads connected to another car's battery rather than with a portable battery jump start pack. Jump starting is something that almost all of us will have to do one day, and there are several important rules to follow when using jump leads.
Never jump-started a car with leads before? You've either been lucky or you've had someone else to do it for you. That discount could amount to £50 or more, depending on how generous the company is feeling/how savvy you are when you call them to discuss your renewal quote.
However, come renewal time, you won't benefit from any 'no claims' discount that is sometimes applied to customers who haven't had to call upon the breakdown company's services in the previous year. Unless you repeatedly call them out to fix the same issue, you're unlikely to be charged for the mechanic's time. Many of us pay for a breakdown service that will come to your rescue when you're stranded at home, as well as when you're away from it. How much could I save by DIY jump-starting? Discover which Haynes Manual is best for you.NEW Fault Finder - Diagnose the problem.
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