Question about 2003 Ford Mustang

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2003 Ford Mustang won't shift out of park

New ford transmission in 2003 ford mustang 1 year later wow to fix this or what needs to be done?on't shift out of park. Does anyone know h

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  • Ford Master
  • 21,873 Answers

Could be the brake switch, or the shift lock solenoid.
Both components would need to be tested. And you may be able to shift out of park if you try before you turn the key switch to the on position.

Posted on May 07, 2013

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  • 2 Answers

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Posted on Jan 02, 2017

  • 19 Answers

SOURCE: will not shift into overdrive.

Some possible causes for the A4LD transmission are:

1. Case connector and/or harness not seated.
2. 3-4 shift solenoid (3-4 solenoid wire pin 52 should read
approx 20 ohms)
3. Powertrain Control Module
4. Vacuum line disconnected from MAP sensor.
5. Map sensor
6. Throttle position sensor
7. Vehicle speed sensor

You may want to check to see if you have any codes as it will let you know if one of the sensors are at fault. Hope this helps, good luck.

Posted on May 11, 2009

tneubauer
  • 437 Answers

SOURCE: A diagram of a 2003 Ford Mustang interior fuse box?

Fuse Box Diagram

Circuit Schematic

I trust that these are what you are looking for, they are screen captures of the requested information right from Ford.

Posted on Jun 01, 2009

  • 2 Answers

SOURCE: 2004 mustang wont shift

Mine is doing the same thing. I have to turn the key 1/2 way on, put it in neutral and then start it. I have NO break lights. Turns out my break pedal switch, the wires were disconnected from that switch. It's a dealer item they said.. so i'm trying to research it right now. I'll letcha know if it works

Posted on Jun 29, 2009

  • 65 Answers

SOURCE: A diagram of a 2003 Ford Mustang interior fuse box?

here you go
https://www.fleet.ford.com/maintenance/owners_manuals/default.asp

Posted on Jul 07, 2009

  • 95 Answers

SOURCE: refill gear oil in rear differential on 2003 ford mustang gt

The differential will have a plug in the driver's side of the housing that is removed with a 3/8" drive ratchet or square drive. Be sure you know what type of fluid is recommended for your vehicle. It will depend on whether it is a locking differential or standard.

Posted on Sep 21, 2009

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