|
|
|
|
Joined: Feb 2010
Posts: 323
Backyard Mechanic
|
OP
Backyard Mechanic
Joined: Feb 2010
Posts: 323 |
Last few days is extremely cold here in the Natherlands and many cars have starting problems. This is a philosophical question but I was wandering if a 6 volt battery should start a 12 volt car. I believe that in the case of an older car without electronics it might turn the starter but the voltage should be too low for a good spark for the ignition. What happens in this case with modern cars? did anyone try it? I am guessing the electronics should not even think of operating at 6 volts.   Jianis
|
|
|
|
|
Joined: Feb 2011
Posts: 3,136
ChatMaster - 3,000
|
|
ChatMaster - 3,000
Joined: Feb 2011
Posts: 3,136 |
Good Morning Jianis , I know it's cold out and perhaps your suffering from a wee bit of "cabin fever"...But maybe it would be best if you try to get out before you lose your mind...Best Wish's and Just Kidding , Your Chat Buddy , Kevin
1947 Fleetmaster Sport Coupe VCCA # 47475
If it's not wearing a Bowtie...It's not properly dressed...!
|
|
|
|
|
Joined: Dec 2001
Posts: 10,379 Likes: 1
Technical Advisor ChatMaster - 10,000
|
|
Technical Advisor ChatMaster - 10,000
Joined: Dec 2001
Posts: 10,379 Likes: 1 |
I would not try to start a modern car with 6-volts. It might do damage to the expensive electronics on the modern car. Best you get a jump from a 12-volt car. This is an excellent excuse to own a "jump" pack.  
RAY Chevradioman http://www.vccacolumbiariverregion.org/1925 Superior K Roadster 1928 Convertible, Sport, Cabriolet 1933 Eagle, Coupe 1941 Master Deluxe 5-Passenger Coupe 1950 Styleline Deluxe 4-Door Sedan 1950 Styleline Deluxe Convertible 2002 Pontiac, Montana, Passenger Van 2014 Impala, 4-Door Sedan, White Diamond, LTZ 2017 Silverado, Double Cab, Z71, 4X4, White, Standard Bed, LTZ If you need a shoulder to cry on, pull off to the side of the road. Death is the number 1 killer in the world.
|
|
|
|
|
Joined: Feb 2011
Posts: 3,136
ChatMaster - 3,000
|
|
ChatMaster - 3,000
Joined: Feb 2011
Posts: 3,136 |
Thanks for the warning Ray ...You can just imagine where this is headed...Remember Jianis 'er Jack in "The Shining"...? Love those "jump" packs...My mechanic buddies tell me to pass on the ones with air compressor combo though...
1947 Fleetmaster Sport Coupe VCCA # 47475
If it's not wearing a Bowtie...It's not properly dressed...!
|
|
|
|
|
Joined: Feb 2010
Posts: 323
Backyard Mechanic
|
|
OP
Backyard Mechanic
Joined: Feb 2010
Posts: 323 |
Ray I should not try that and if I had to I have a few tricks to cheat the electronics ( almost 50 years in experimenting ) I was just wandering if anyone did and got problems with it. Kevin Shining one of my favorite Nicholsons films...Here I have lots to do indoors and going to work keeps me out of trouble too. Last year my daughter got a new battery for her car and a month later she came home from work asking :  dad whats that red light on the dashboard? it stays on since yesterday !!! I told her that was the time to get a new car light (oil pressure)so her car went to the scrapyard and I kept the battery witch I always have in my car with 2 jump cables... Jianis
|
|
|
|
|
Joined: Jan 2008
Posts: 828 Likes: 6
ChatMaster - 750
|
|
ChatMaster - 750
Joined: Jan 2008
Posts: 828 Likes: 6 |
The cars with computer systems will shut down when the voltage gets to around 9 volts. So if your driving with the alt. light on, when the voltage drops low enough your in tennis shoe mode.
Dens Chevys 1927 Speedster 1928 coupe 1941street rod 1947Fleetline 4 door 1949 1/2 ton Pickup (sold) 1954 210 4 door 1972 Monte Carlo 2003 Corvette convt..
|
|
|
|
|
Joined: Nov 2001
Posts: 19,758 Likes: 64
ChatMaster - 15,000
|
|
ChatMaster - 15,000
Joined: Nov 2001
Posts: 19,758 Likes: 64 |
It takes 8-10 volts to turn a 12 volt starter. The 6 volt battery only produces 6.6 volts so it will not even turn the starter. If you can push start the car you will only have 1/2 of the voltage to the spark plugs and a very weak spark which makes igniting the gas/air mixture unlikely.
How Sweet the roar of a Chevy four!
|
|
|
|
|
Joined: Sep 2010
Posts: 284
Backyard Mechanic
|
|
Backyard Mechanic
Joined: Sep 2010
Posts: 284 |
Not to mention that the fuel pump on a newer car with FI probably wouldn't deliver sufficient fuel to the engine to run.
Regards:
Oldengineer
|
|
|
|
|
|
|
