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  #1  
Old January 29th, 2011, 07:10 PM
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Brett
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Transmission Question

I have an auto trans in my D110, I believe it is from a Discovery and I was wondering if anyone has a diagram of the shift mechanism. I tried to put in gear by pressing the button but it does not allow me to put in drive.

Thanks
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  #2  
Old January 29th, 2011, 08:21 PM
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Frank Rafka
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check the brqke switch...make sure hear a relay click when you press the brake
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  #3  
Old January 29th, 2011, 08:21 PM
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Ian Gregory
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Do your brake lights come on when you press the brake pedal?
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  #4  
Old January 29th, 2011, 10:22 PM
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Brett
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No the brake lights do not come on
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  #5  
Old January 29th, 2011, 10:45 PM
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Frank Rafka
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brake switch...should be a plunger type switch at the brake pedal...change it out
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  #6  
Old January 30th, 2011, 09:24 AM
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I cannot find any type of plunger at the brake pedal, I am only seeing 2 springs. I emailed the dealer to identify the trans.

Thanks,

Brett
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  #7  
Old January 30th, 2011, 09:58 AM
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Chris Murphy
'89 127 (D130), '16 LR4
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Good morning, Brett-

What folks are referring to is a switch for the brake lights in your engine bay on the back of the "box" that your brake lever feeds into on the front of the firewall. If you look or feel around back there, you'll see a small plastic switch housing with two spade connector wires coming out. That's the switch in question. (This switch is noted on the Expedition Exchange web site with a picture of the plunger switch to help you find it here- http://www.expeditionexchange.com/ca...1&cat=0&page=1 )

On all D's with this switch, it triggers the brake lights to work, but on many auto models, it also triggers the shift interlock solenoid in your shifter assembly. Basically, its a mechanical interlock so that you don't shift out of park accidentally without your foot on the brake. It keeps the car in park until the brake is depressed. If, however, that switch stops working properly (exhibited by no brake lights, too), the solenoid's locking pin will not retract, and the shifter handle will not move. It working OK, you'll hear the solenoid click near the shifter handle when you press the brake.

This can also be caused if the fuse associated with the brake lights is blown due to a hot short to ground, so look for a blown fuse before you pull out the switch! (Must simpler)

On (I think most) auto shifters there may also a backup in case this happens until you can get it properly fixed. There may be a small recessed button under the shifter handle that you can depress with a small screwdriver. I've never had to do this, and may be thinking of another car(!), but I remember discovering links to it several years ago here on the forum. Just do a search, and I'll look, too. Maybe I'm on crack and am remembering something else.)

Good luck!
Murph
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  #8  
Old January 30th, 2011, 10:08 AM
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Thanks for the info. They dealer this morning told me it was out of a d2. The standard automatic.
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  #9  
Old January 30th, 2011, 10:09 AM
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Chris Murphy
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http://www.defendersource.com/forum/...fter+interlock

http://www.defendersource.com/forum/...fter+interlock

http://www.defendersource.com/forum/...hift+interlock

Can't seem to find anything specific about the little "pin" switch under the t-handle I mentioned, but these links talk about your issue. I'll look at my '97 auto truck in a bit and see if I can find the microbutton I remember reading about.

------ Follow up post added January 30th, 2011 10:11 AM ------

Yep-

All of these other links note Disco II's in particular. I had the problem once on my '97 when I'd accidentally grounded out the rear upper brake light hot lead. (I wrote about it in another post last year while I was deployed.)

------ Follow up post added January 30th, 2011 10:14 AM ------

http://www.defendersource.com/forum/...ad.php?t=25529

------ Follow up post added January 30th, 2011 10:46 AM ------

http://www.justanswer.com/car/1j2nb-...nge-rover.html

http://www.lrrforum.com/showthread.php?t=5668&page=3

No one references the button I remember in my quick search, so I may be thinking of another car. The above links are kind of extreme answers, ranging from forcing the solenoid to it's complete removal, but help explain how it functions. Hopefully it's just a fuse, and barring that, the aforementioned brake switch.

I also looked in the electronic service manual for my '97, and it was useless to help specifically.
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  #10  
Old January 30th, 2011, 02:35 PM
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Dave Johnson
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On other Automatic rovers, i have had..i have used a small screwdriver to guide that safety pin it...i never found it in a manual anywhere, but if you take the shifter trim off it will be fairly obvious that this pin is keeping the handle from moving.
In a pinch you should be able to do this to get it in gear, i've done it on a RRC, but i would check for the real culprit...brake light switch in my past experiences with other Rovers.
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  #11  
Old January 30th, 2011, 03:41 PM
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Brett
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Ok, This looks to be the switch, as it screws into the brake, but it looks slightly different ( the 2 leads coming out) than the pictures on expedition exchange. I am going to order as I do not see any blown fuses. I am assuming I only have 1 fuse box right above the trans tunnel inside the car. I did notice that the fuses are all larger than the required amps as the fuse cover states.
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  #12  
Old January 30th, 2011, 05:36 PM
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Chris Murphy
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There is the fuse box in front of the shifter above the transmission tunnel that you mentioned (where your brake light fuse is) and some Defenders also have another small fuse box in the engine bay with the big ignition/starter fuses.
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'89 D130SW
'86 D110 3-door
'89 D110SW
'16 LR4

Former:
'97 D90SW - SOLD SEP '14
'94 D90ST - SOLD MAY '13
D90s sold while assigned overseas. You're welcome America!
'06 Range Rover Sport Supercharged
'8X FankenRover D100
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  #13  
Old January 30th, 2011, 06:46 PM
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Ok got it working (brake lights and shifter), there was a ground that was not hooked up (have no idea how the dealer stated they were driving it around, the ground was actually taped off.

I drove it around the block and will now have to figure out/adjust the kick down switch.

Thanks for everyones suggestion/help it got me looking in the right location.

Brett
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