I have a problem with a jaguar s type. It wont start and it wont shift into neutral so it can't be towed.

Turn they key on then try.

See if the repairs ideas on you tube can help.

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You dont need to remove the drive shaft to tow a car. just put it in to neutral and take the hand brake off.

The J gate is off and needs to be reset. This requires an experience mechanic. The J gate is located underneath the battery on top of the tranny. Turn the ignition to the on position, place the hand brake on, and shift the tranny in neutral. loosen the outer bolt to the J gate shift plate. It should be under some tension and will release to the proper position. tighten the bolt again and start the car. It will only start in neutral so don't worry about it jumping. When the car starts, you know it is in the right position. Run the shifter to park, reverse, drive to make sure all the gears are in their position. Readjust if necesarry.

Check the brake light fuse. If you blew a fuse for a brake light, you won't have power to the shift interlock which allows you to move the shifter.

Yes it can, just place your Transfer Case in Neutral position.
Shifting into NEUTRAL
To shift the transfer case to NEUTRAL do the following:

Make sure the vehicle is parked so that it will not roll.
Set the parking brake.
Start the vehicle or turn the ignition to RUN.
Connect the vehicle to the towing vehicle.
Put the transmission in NEUTRAL (N).
Shift the transfer case to 2HI.
Simultaneously press and hold the 2HI and 4LO buttons for 10 seconds. The red NEUTRAL light will come on when the transfer case shift to NEUTRAL is complete.
Shift the transmission to REVERSE (R) for one second, then shift the transmission to DRIVE (D) for one second, or FIRST (1) for vehicles equipped with a manual transmission.
Turn the ignition to LOCK.
Place the transmission shift lever in PARK (P), or FIRST (1) for vehicles with a manual transmission.
Release the parking brake prior to towing.
Shifting Out of NEUTRAL
To shift out of NEUTRAL:

Set the parking brake and apply the regular brake pedal.
Shift the transmission to NEUTRAL (N) and turn the ignition to RUN with the engine off.
Press the button for the desired transfer case shift position (2HI, 4HI, AUTO 4WD or 4LO).
After the transfer case has shifted out of NEUTRAL the red light will go out.
Release the parking brake.
You may start the engine and shift the transmission to the desired position.
Excessively shifting the transfer case into or out of the different modes may cause the transfer case to enter the shift protection mode. This will protect the transfer case from possible damage and will only allow the transfer case to respond to one shift per 10 seconds. The transfer case may stay in this mode for up to three minutes.
NEUTRAL: Shift the vehicle's transfer case to NEUTRAL only when towing your vehicle.
Good luck and hope this answers your question.

Shifting to NEUTRAL
To shift the transfer case to NEUTRAL, first make sure
the vehicle is parked so that it will not roll:
1. Set the parking brake.
2. Start the vehicle.
3. Connect the vehicle to the towing vehicle.
4. Put the transmission in NEUTRAL (N) or have
the clutch pedal pressed for vehicles with
manual transmission.
5. Shift the transfer case to 2HI.
6. Simultaneously press and hold the 2HI and
4LO buttons for 10 seconds. The red NEUTRAL
light will come on when the transfer case shift to
NEUTRAL is complete.
7. Shift the transmission to REVERSE (R) for one
second, then shift the transmission to DRIVE (D)
for one second or FIRST (1) for vehicles with
manual transmission.
8. Turn the ignition to OFF.
9. Place the transmission shift lever in PARK (P) or
FIRST (1) for vehicles with manual transmission.
10. Release the parking brake prior to towing.

************************

Shifting Out of NEUTRAL
To shift out of NEUTRAL:
1. Set the parking brake and apply the regular
brake pedal.
2. Start the vehicle with the transmission in PARK (P)
or FIRST (1) for vehicles with manual transmission.
3. Press the button for the desired transfer case position
(2HI, 4HI, AUTO 4WD or 4LO).
4. Put the transmission in NEUTRAL (N) or press the
clutch pedal for vehicles with manual transmission.
5. Shift the transmission lever to the desired position.
After the transfer case has shifted out of NEUTRAL,
the red light will go out.
6. A re-engagement sound is normal when shifting out
of NEUTRAL.

neutral safety switch is out of sync, or failed. You can disassemble the shifter console, and manually move the neutral safety switch around to see if that is your issue, if it is, that switch can be disassembled and the contacts cleaned with Brasso of some other similar metal cleaner and shiner.

I, as well as a guy I work with both drive s-types. He had this problem with his.

The problem is with a cable that runs from the shifter to the transmission. There is a bracket which holds the cable in place. This bracket is prone to coming loose and when that happens, your s-type won't shift out of neutral. Simply resecure the bracket and cable. Be sure to use loctite on the bracket screws so it won't happen again.