Question about 2005 Jeep Grand Cherokee

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Will not start

On occasion the vehicle will not start, will not turn over, is in Park or Neutral, does not need to be jumped, has not been running in 4 hours and the battery was just replaced in June when this problem happened then, it also happened in May, March and last year November. Wait a few hours and it starts like there isn't a problem. Took it to the shop and they can't find anything on the computer. By the time I get it to the shop it is running and no issues.

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  • patrick_bole Sep 30, 2009

    No clicking, the Jeep started after waiting another hour. I will be checking the wiring harness tonight and the starter and solenoid to see if there is any crud around it. Kinda funny how this is so intermittent and then starts like nothing happened. Might be a connection and the getting in and out causes a connection to lose connection. I will be investigating. As the shop can't find anything wrong.

  • Richard Scordino May 11, 2010

    If you get any clicking, check the relay and solenoid on the starter. Otherwise, check all main electrical connections for clean and secure connections (that includes grounds)

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  • Jeep Master
  • 6,982 Answers

Largest problem I've seen at dealerships is that the techs are rushed and can't spend necessary time tracking down relatively simple problems. I've always failed to understand how that can possibly translate to customer satisfaction.....Likely if you check all main power circuits with a meter, it shouldn't take too long to identify where the power is dropping off.

Posted on Sep 30, 2009

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1 Answer

What are the wire colors of the neutral safety switch on a 2000 Caravan 3.0 liter with a 4-speed automatic transmission.


Brown wire with yellow tracer shows to be wire color. You can always jump the starter to get it to crank, but, that doesn't mean it will start. In the past I have been lucky, different vehicle, I put the key in on position, jumped the starter relay, the vehicle started, I managed to get it home.
When testing, make sure tranny is in park or neutral and functional parking brake is set. There are safety issues, safety is your responsibility. You don't want the vehicle to move when your working on it.
You realize if you bypass anything, it may start in any gear, if it does it will run over you or one of the kids, anything that gets in the way. Again, safety for everybody is your responsibility.

May 09, 2016 | Cars & Trucks

1 Answer

My 2001 Jeep Grand Cherokee wont start sometimes, but if I put it in neutral then try to start it..It starts .. What is the problem with my baby.......


Test/Service/Replace

The circuit on newer cars with automatic transmissions has a neutral safety, or neutral start switch installed between the ignition switch and the starter. The ignition switch cannot operate the starter motor unless the transmission is in park or neutral.
Late model vehicles with manual transmissions have a starter/clutch interlock switch that requires the clutch to be depressed to the floor.
Neutral Safety Switch
Normal operations of a neutral safety switch provides a quick check for the adjustment of the gear selector linkage.
  • To do this, move the selector slowly until it clicks into the PARK position.
  • Turn the ignition key to the START position.
  • If the starter operates, the PARK position is correct.
  • After checking the PARK position, move the lever slowly toward the NEUTRAL position until the lever drops at the end of the NEUTRAL stop in the selector gate.
  • If the starter also operates at this point, the gearshift linkage is properly adjusted.
  • This quick test also tests the adjustment of the neutral safety switch.
  • If the engine does not start in either or both of these positions, the neutral safety switch or the gear selector linkage needs adjustment or repair.

CAUTION
Since you must work under the vehicle to adjust most shift linkages make sure you properly raise and support the vehicle before working under it. Also, wear safety glasses or goggles while working under the vehicle.
A voltmeter can be used to check the switch for voltage when the ignition key is turned to the START position with the shift lever in PARK or NEUTRAL. If there is no voltage, the switch should be adjusted or replaced.

Jan 26, 2013 | 2002 Jeep Grand Cherokee

1 Answer

What is a neutral safety switch?


The Neutral Safety switch monitors the position of your gear selector lever and either interrupts or allows the starting circuit in your car or truck to do its job. On newer vehicles it may also monitor the position of the brake pedal to make sure that the vehicle is in park or neutral AND that your foot is on the brake.

If your vehicle is equipped with a neutral safety switch, it should NOT start UNLESS the transmission is in Neutral or Park. On the other hand your vehicle SHOULD start when it is in Neutral or Park. If your car will start in Neutral but not in Park, you have a bad switch. Also, if your car or truck will only start by turning the key to the start position and wiggling the gear selector lever, your neutral safty switch is in need of replacement.

The nuetral safety switch is usually found near the gear shifter. If your car has the gear shift on the column, then the neutral safety switch is usully mounted on the steering column near the brake pedal. On floor mount or console mount vehicles you will find the nuetral safety switch mounted near or on the shifter mechanism.

Oct 24, 2012 | 1993 Cadillac DeVille

1 Answer

My 2004 chrysler pacifica will not start. it cant be the battery because i had it jumped with my other car for about 15 min. and nothing. then when i just gave up. i but the gear in neutral, and it...


It still could be the battery, your trying to jump the car for 15 minutes would have given it a partial charge. BUT I would suspect the park/neutral switch. So I would suggest that you "play" with trying to start your vehicle in park, then neutral, park, then neutral and see what happens.

Jul 31, 2011 | 2004 Chrysler Pacifica

1 Answer

I have a 2004 Ford Explorer and when you turn the key it won't do anything. I have had the battery, starter, fuses, ignition, and relays all checked and they're all good. I even tried jumping the...


Hello, What you are saying is the starter will turn if you jump the starter Relay. If you want to try this a second time, make sure the Ignition switch is in the RUN position. It should start.

Be sure to have the vehicle in Park. There are some Interlocks in the gearshift and Brake pedal that prevent when certain things happen. When your vehicle is in Park or Neutral, the power wire from the Ignition switch can make a connection to the wire that controls the starter Relay.

But first this wire has to get the okay from the Interlock switch, that the gearshift IS either in Park or Neutral. If this switch is bad or misaligned, the connection will not reach the starter Relay. You need to take off the small wire at the starter Relay and hook up a test light or meter. Then turn your Ignition key to START. The small wire should have power when the key is held in the start position.

If the small wire does not have power, then everything connected to that wire needs to be traced back to the Keyswitch. The cables or rods that move in the gearshift or steering column may be out of adjustment. Not too expensive to correct.

I hope my solution is very helpful to you.

Jul 21, 2011 | 2004 Ford Explorer

1 Answer

2008 Outlander cannot turn the key. Gauges come on and lights blink, key comes in and out but I cannot turn car on.


This is hard to diagnose over the net without physically seeing what is happening to the starting components with the key turned to start but could be your vehicle neutral position switch (vehicle has to sense the car in park or neutral to start) could be starter issue, ignition switch and even a low cranking amp battery. Have you tried to jump start the car?

May 03, 2011 | Mitsubishi Outlander Cars & Trucks

1 Answer

2007 ford explorere won't start. won't try to turn over when you turn the key. Brand new battery, good fuse to starter, able to jump solinoid and starter turns over with key turned but wont start. What...


Look for the "neutral start switch " and check it ...usually on the tranmission
This switch opens the ciruit to the starter if the car isn't in Park or Neutral and if it goes bad the vehicle won't start

Jan 31, 2011 | 1996 Ford Explorer

2 Answers

Car wont start. tried to jump but engine will not


Hi,
There may be another possibility... there are safety switches which would also prevent a switch actuating a starter. If the vehicle is not fully registered in park or neutral, the switch will not allow the starter to work.
Check this first.
If this isn't the case, have the starter pulled and get Autozone to check it for you.
I don't think the alternator's a factor here.
I hope this helps... Good luck.

Oct 13, 2009 | 1999 Ford Escort

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