Hey Johnny==Either the battery cable needs cleaning or replaced. It may be loose in the end. Also make sure you have a good ground between the engine and the body. Goodluck Joe
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If the engine cranks slowly or makes no noise when you try to start it. If you jump the battery and it starts but won't start again immediately afterwards. If smoke comes from the terminal connections, do not keep trying to start your car, this most-likely is because your battery cells are fusing. If the water under the caps on the battery is low, you will also have problems starting the car, they may need to be brought up to about a half-inch below the top.
It's probably poor contact at that negative (ground) terminal. The "dirty" terminal and connector won't allow the large surge of current through them that is needed to drive the starter motor. Pull the connectors off both terminals, clean the connectors and battery terminals, and put it back together. That should do it. Be sure to remove the negative connector first, and put it back on last. Additionally, apply a bit of corrosion resistive compound to the terminals and connectors after you get it together to keep things tidy. Ask your friendly neighborhood auto parts person what he recommends. Or check around on this site for advice on that.
A battery-operated smoke detector is one which is not connected to your homes power supply.
The battery is low.
Most "home-type" smoke detectors, usually termed residential smoke detectors, use a 9-volt "transistor" battery.
new battery
why
The blinking light is used to indicate that the battery is fine.
Is it safe to smoke around disconnected batteries
you have corroded battery cable connector feel for heat when trying to start the bad cable will get hot or smoke
once a year