If it’s less than 14 volts, there’s a nut on the alternator’s B+ terminal that connects to a thick wire that transfers the ...

Consider yourself pressed for time if the battery warning light turns on while you're driving. The red or amber light generally means one of two things: Either your 12-volt battery is weak and on the ...

When you turn the car on, its dashboard briefly lights up like an overcrowded fast-food menu. An array of illuminated numbers, letters, indicators, read-outs, and symbols flash and quickly fade to ...