How do you diagnose car starter problems?

Go back to the basics you learned in science class; science teachers are ALL supposed to teach "scientific method" which consists of:

(a) Statement of a hypothesis; (b) Testing of hypothesis; (c) Synthesis of hypothesis and test into a new hypothesis.

So you start out with a statement of hypothesis:

"Maybe it's a bad battery."

"I'll test the battery to see if it's good."

(test)

"The battery is good, so it must be something else. What have I learned? Ah, yes, the car still doesn't start but I've verified that the battery is good, so what other possibilities could cause the engine to not start?"

"Maybe it's a bad neutral safety lockout switch. (back to hypothesis)

Answer: If your vehicle is not starting/turning/no sound but your interior light or your dashboard light is working means that you have a bad solenoid.

answer

all you have to do is spend money,battery is good you dont see any flour deposits its not 5 years old then if its buy a good brand battery if it clicks starter change. starter