Question about 2004 Chevrolet TrailBlazer

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Wont start or shift

The engine wont roll over and the tranny wont shift out of park. could this be a fuse or the neutral safety switch? battery is good.

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  • 60 Answers

Hope Dash board light up when Key turned to 2nd/Accessories position. Check power at Ignition Switch first. Then with Ignition On, press Brake which should operate a Solenoid to Release Shift out of lock. Check power at Neutral Switch also. Finally connect 12 v Power to Starter directly to see it Starts. Any of these point if not getting powered means break in connection of wire or break in Fuse.

Posted on May 15, 2014

Battery
Starter Solenoid
Bad Starter

Any number of things

No internet site or a guessing-- will be of any value
to you

The vehicle has to be in the hands of folks that know how
to do the proper testing, to find a problem,always been that
way with any product

Posted on May 15, 2014

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2 Answers

Starter wont crank ,engine wont start even when i cross starter and starter turns engine over, shifter wont come out of park what do i need to check


I can't help much w/o year--make--model? Do you have a security system on this vehicle?
Most starters have two voltage circuits, one comes from the battery, hot all the time. The other circuit goes hot with key in the start position, may be wired through neutral switch, depending on the tranny, maybe you have a starter relay? The starter motor usually grounds through the engine block. The fact you can jump the starter motor and it cranks, sounds like the ground is ok. Use a test light, check for voltage on those two voltage terminals. Make sure tranny is out of gear and parking brake is set.
Some makes and models have shift-interlock, you can't shift it unless you step on the brake. Do the brake lites work? If not fix that first.
Some makes and models have a shift-interlock bypass button so you can press the button, then shift into neutral. Parking brake set.

Mar 12, 2017 | Cars & Trucks

1 Answer

The van will not shift out of park when started.


  • Neutral safety switch sends a signal to the on-board computer to allow the engine to start and to engage the transmission
  • When not replaced, vehicle may experience no start and/or transmission will not shift out of park.Here's the part Damon.
http://www.autozone.com/batteries-starting-and-charging/neutral-safety-switch/duralast-neutral-safety-switch/ford/windstar/2003/6-cylinders-4-3-8l-sfi/229240_0_0

Aug 09, 2015 | 2003 Ford Windstar

2 Answers

2005 nissian xterra wont start. power goes to my subs and amp and all other power supply work. no engine roll over even after jump. im thinking its the fuse by the battery


Hard to say, unless I have my hands on it. But I would say you have a ground problem. Check the grounds from the battery to the body and engine. Corroded/broken cables. This is common with power amps.

Dec 08, 2014 | 2005 Nissan Xterra

2 Answers

Where is the neutral saftey switch on an 2004 chevy cavalier


It should start in neutral position. Neutral safety switch is usually located under the shift console by the shift lever.

Mar 27, 2013 | 2004 Chevrolet Cavalier

1 Answer

2005 dodge grand caravan dashboard reads reverse but gear is in park will not start, took positive and negative term off. Took out the fuses for the ingition switch and battery. Pulled on the gear under...


Maybe something wrong with neutral switch? Usually it is on or close to transaxle shift lever, follow the shift cable to shift lever, the switch has multiple wire connector.
It may be possible to start vehicle by jumping the load side of starter relay, key on. There are safety issues trying this, the vehicle will crank in any gear. Make sure tranny is out of gear, parking brake is set, block the wheels, whatever it takes to be safe, safety is your responsibility.
If the problem isn't that neutral switch, then I don't know? Any applicable trouble codes?

Jul 09, 2017 | 2001 Dodge Caravan

2 Answers

Symptoms for a faulty neutral safety switch


No start (engine doesn't crank with starter motor) in neutral and park position, one or both

Oct 16, 2012 | Cars & Trucks

2 Answers

Transmission wont go into park


Get help, have helper hold set parking brake and hold foot brake, pop shift cable off of linkage bracket on trans, try to shift it by hand. Only starting in N may be broken internals on neutral safety switch.

Sep 17, 2009 | 1998 Ford Expedition

2 Answers

96 jetta gl buddy put in a 95 transmission....won't start in park


the neutral safety switch is probably faulty the radio says safety because the wrong code was entered 3 time key needs to be on for 3 hours hook up battery charger check engine light may be code for trans issue

Jul 23, 2009 | Volkswagen Jetta Cars & Trucks

1 Answer

Help my 1995 Dodge ram 2500 will not start.


Hi cotboh7 If this truck rolled off the ramp I would check the neutral safety switch. You could also check that the shift linkage is set properly, also back to that starter, sometimes they give no indication at all, this happened to myself recently, parked the truck came out nothing, it was the starter in my case.But that has nothing to do with the truck rolling in park, and the neutral safety switch is for just that purpose, which is why it must be in park or sometimes neutral to start.I hope this helps,good luck to you.

Nov 10, 2008 | 1995 Dodge Ram 2500

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