Question about 2004 Ford Mustang

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Gear shift interlock

I can crank my 2004 Mustang, but it won't shift out of Park.
In order to crank and drive it, I must turn the key on, shift to neutral, and then start the engine.

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  • amorxxxmuert Jun 20, 2008

    I have been having the same issue and its really frustrating! I have an '04 mustang that wont shift into gear when the car is on and my brake lights wont come on when this is going on. But when they did come on (I tried this last night after pulling a bunch of fuses) it didnt work...really annoying seeing as I need to go to work and stuff.

  • jasonbiba Sep 20, 2008

    Im Having the same problem in a 97 mustang v6

  • Silverblack218 Jun 22, 2013

    Im having the same here too, i replaced the switch and still nothing. checked fuses, Nothing. im thinking the cable inside the shifter snapped.

  • Anonymous Mar 24, 2014

    shift indicator will not light up park or neutral to start the engine

  • Anonymous Mar 26, 2014

    I put a new cluth in and it shifted fine fo about 120 miles then it would only go into second and forth and now it wont even turn over to start



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It's a brake booster switch, Ford cars are notorious for this problem. It's a switch on the brake pedal that detects when your brake pedal is pressed. It's cheap and easy to fix.

Posted on Jan 06, 2009

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Shoulda gotten a V8

Posted on Oct 14, 2008


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Related Questions:

1 Answer


Brake switch, shift interlock solenoid or bad transmission range selector. Shift interlock won't let you shift out of park unless your foot is on the brake. So brake pedal starts the cycle. Next, the vehicle has to be in either park or neutral. So power flows from the brake switch through the transmission range selector which then sends power to the shift interlock solenoid which moves a pin out of the way, allowing you to shift out of park.

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2004 impala gear is stuck

don't understand your problem? if the car is stuck in a certain gear,i.e.second and won't shift check for engine codes for pssiblr "limp in mode" operation. if the car won't come out of park, check the shift interlock solenoid operation.

Jun 19, 2012 | Chevrolet Cars & Trucks

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1986 ford F150: Turned key to start my truck now stuck in park and won't start

This is really confusing. What is it you are trying to fix? You are going in different directions all at the same time, which I am guessing is part of your problem. Are you trying to fix? A "no-start" problem? a "no-crank" problem a "cannot get shift lever out of PARK" problem or a problem with not being able to turn the key???

What was the original problem? - WHY did you replace the ignition switch? Did you replace the "IGNITION SWITCH" or did you replace the "KEY AND TUMBLER" assembly?

Disable WHAT interlock? The shift interlock ? What would that do to get your truck started? The gearshift interlock has absolutely NOTHING to do with the starting system. If your gearshift interlock is not working, the most likely cause is a bad brake lamp switch.

It sounds to me like you need to figure out what it is you want to fix before you jump in and go replacing any more parts. I do not mean to be offensive, but it really sounds like you are creating more problems than you are fixing at this point.

May 05, 2012 | 1986 Ford F150 SuperCab

1 Answer


check the fuses as if the brake light fuse is blown it won`t allow the shifter to move out of has a shift interlock system so the gear shift won`t accidentally be moved out of park by mistake.

Jul 17, 2011 | 2000 Lincoln Continental

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My 2001 Ford Mustang v-6 automatic gear shifting lever wont move

The shift interlock does not allow the car to shift out of park unless the brake pedal is depressed.  Quick fix is with the car running to set the parking brake and turn the car to off and remover the key.  Put the key back in and turn one click to on.  Shift the car into neutral and you can start the car and go.  The repair for this is either the brake switch located on the brake pedal being replaced.  I had a broken wire leading to the switch that caused the problem.  It also can be a blown fuse.

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Gear shifter is not moving when u press on break

center console shifter? if so, likely could be a misadj shift cable, you can pull loose top cover per instruction maneul tells you how to get out of park till you can get it adj, or repaired

Apr 01, 2009 | 2004 Ford F150

1 Answer

Car wont move out of park

There is an interlock that requires the brake pedal to be depressed in order to shift the car into gear. So...first question (I have to ask!): Did you make sure to press the brake while trying to shift out of park? If so, theres a good chance that the brake switch is bad.

Jan 15, 2009 | 2003 Ford Mustang

1 Answer

Car wont shift into gear

did you check that you still have brake lights ?

Ford has the shift interlock, so if you loose brake lamps, the shifter will not move out of park.

Quick test, turn the key to the on position ( do not start ), and see if the gear shifter will move to neutral.

Dec 08, 2008 | 2006 Ford Mustang

2 Answers

2000 range rover

Pull hard on the steering wheel to the left and the steering wheel lock mechanism should release. I mean pull hard to left because shift interlock is froze if you cannot get it this way you will need a pro to help! Good Luck Mate.

Dec 07, 2008 | 2004 Land Rover Range Rover

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