Misc

Question 1

What is the primary and possible secondary causes of rapid fire clicking sounds when car won’t start?

Answer 1

Not enough current to keep high currency contacts closed, most likely caused by low voltage or high resistance. (Dead battery or corrosive buildup).

Question 2

5 symptoms of a bad battery or alternator?

Answer 2

Battery light is on
Engine is cranking slowly
Battery is dead
Clicking sound when you try to turn over engine
Interior lights or headlights are weak

Question 3

Should the battery light turn on in the run position and off when engine is running?

Answer 3

Yes

Question 4

Steps to testing a car battery

Answer 4

1. Turn on headlights for 2 minutes to get rid of surface charge.
2. Set multimeter to 20 DCV
3. Check voltage reading. Should be 12.6
4. Turn on engine. Shouldn’t drop below 10, and should raise to 14 when running

Question 5

What supplies electricity to the vehicle and also charges the battery when the engine is running?

Answer 5

The alternator

Question 6

What is CCA?

Answer 6

Cold Cranking Amos, or the measurement of how many amps a battery can deliver in 30 seconds at 0 degrees F withoit dropping below 7.2 Volts