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It needs something to store electrical energy.
Some of the things needing that stored energy in order to operate when the engine is not running include:
- Starter to crank and start the engine.
- Lights [hazard flasher lights, headlights, parking lights, brake lights, interior lights, engine compartment and trunk interior work lights] when the engine is not operating.
- Radio and other sound/entertainment systems.
- Other devices like power mirrors, seats, windows, and trunk and fuel filler covers, etc.].
- The HVAC [heating, ventilating and air conditioning] blower.
- Other devices that I can't think of right now.
Also, even when the engine IS running, the battery acts as a "buffer" to dampen pulsations [voltage, noise, etc.] in the alternator output circuit.
What else can I help you with?
How is a car powered?
car is powered by battery ,petrol,diesel.
Can you jump start a flat battery on a diesel car from a petrol car?
The diesel battery is bigger as it take a lot more to get a diesel engine going. Best bet is to charge the diesel battery using the petrol, connect the 2 and leave the petrol engine running.
How do you charge battery in diesel car?
Diesel is no different than any other. Hook it to a charger either in the car or out of it.
Can start the diesel car by pushing manually if battery discharge?
Yes, you can start diesel engine even if you don't have battery in!
What could drain your battery really fast when car is turned off in your 1986 volgswagon golf diesel?
you could need a new battery, may not be holding a charge well.
Do diesel cars need a cat?
No, a diesel car doesn't need a cat by law.
What type of battery should be used in a Chrysler grand voyager diesel van?
type 019 or 086 in the diesel car
Can you jump start a flat battery on a petrol car from a diesel car?
Yes so long as the battery's are the same voltage it Will make no difference what fuels the engine.
How many amps do you need to charge a car battery?
To charge a car battery you need aproximatly 8000 amps To charge a car battery you need aproximatly 8000 amps
How long diesel car batteries last?
most battery last five years
Will the diesel fuel filter need to be replaced if the diesel freezes in the car engine freezes?
If the diesel fuel "gels" then yes the filter will need replaced.
Can you jump-start a flat battery on a diesel car from a petrol car?
Not recommended. The diesel engine has no sparkplugs and therefore relies on friction (heat) and compression, and as a result requires lots more torque power to start than its gasoline powered counterpart whose battery does not have enough amperage to turn over a diesel engine, much less start it running. As long as the specification of the Battery is up to or matches the specification of the engine electrics it doesnt matter if the battery is from a petrol, diesel, tractor or boat. Electricity is a discovery in science and independendant of the fuel your car\ engine uses once it is turning over. All you need to know is the amperage is within a reasonable variance and the voltage is correct. I started my Peugeot 407 diesel this morning from my wifes petrol Freelander. The Peugeot started in hald a tick. Always suggest that you have the engine running on the car you are jumping the charge from.
