2005 ford explorer won't start. Recently replaced the alternator and battery. When I turn the key there is no turnover or crank whatsoever. All the lights and radio turn on. After I turn the key back to off position all the needles and gauges jump back and forth at the bottom and make a clicking noise. I do have a remote starter. If I put a jump on it it does crank a very little."

 

There is a good eHow story on what to do when an Explorer doesn't start.

Here are the steps.

1

Make sure that the tank contains enough fuel to start the engine.
2

Read the battery voltage using a voltmeter and make sure that it has enough charge to operate the starter motor. Your battery should have close to 12.6 volts with the engine off.

Examine the connections between the battery and the starter and make sure that they are tight and clean. Loose or dirty connections will prevent proper

Check the fuel system. Details How to Fix a Ford Explorer That Will Not Start | eHow