LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

What tells the shifter that the brake is in, and lets you shift from park? (SHOEBOX?)

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Old 11-24-2003, 07:23 PM
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What tells the shifter that the brake is in, and lets you shift from park? (SHOEBOX?)

What sensor is responsable for this? Does is commonly go bad? Is it easy to replace?

Thanks!
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Old 11-24-2003, 07:42 PM
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I am going to try and take a stab at it. I think the Brake transmission shift interupt solenoid. It is under the console, by the shifter. I'll try to find a P/N.
EDIT: if this is it, I can send you a wireing diagram. Still working on a P/N.

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Old 11-24-2003, 07:50 PM
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The Brake Transmission Shift Interlock (BTSI) is responsible for not letting you shift out of park without depressing the brake. I would imagine the most common point of failure would be the brake switch as the power for the BTSI solenoid comes through a pair of contacts on the switch.

A quick and dirty solution is just to unplug the BTSI solenoid. On the left in this pic.
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Old 11-24-2003, 08:05 PM
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dont leave just yet shoebox.

where is that picture looking at, is it in the consol or under the dash. and do i just unplug the solniod? will this yeild an ses or anythign? and finally will the only diff be that the brake wont have to be down to get it out of park?

Thanks,
James
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Old 11-24-2003, 08:07 PM
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It's under the shifter plate on the console.
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Old 11-24-2003, 08:09 PM
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your the man shoebox, there would be a lot of messed up fbods without you around!
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Old 11-24-2003, 08:14 PM
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Originally posted by BlackLT1_TX
your the man shoebox, there would be a lot of messed up fbods without you around!
Shouldn't be a SES. You will be able to move the shifter at any time with it disconnected.
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Old 11-24-2003, 08:16 PM
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Originally posted by SWINGRRR
It is under the console, by the shifter.
You didnt belive me?
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Old 11-24-2003, 08:19 PM
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Originally posted by SWINGRRR
I am going to try and take a stab at it. I think the Brake transmission shift interupt solenoid. It is under the console, by the shifter. I'll try to find a P/N.
EDIT: if this is it, I can send you a wireing diagram. Still working on a P/N.
im a moron, didnt even think about that, just saw his picture and couldnt tell.
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Old 11-24-2003, 08:23 PM
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Its cool. Im just messing with ya.
Do you want the wiring diagram?
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Old 11-24-2003, 08:25 PM
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sure.

thanks!
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Old 11-25-2003, 12:59 PM
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callin out BlackLT1_LX

Did you do the unplug the item and find that it works?
Can Swingrrr also send me the diagram?

My wife can not drive the car cause the difficulty with depressing that button!!
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Old 11-25-2003, 01:06 PM
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I unplugged mine also . It was failing. and it rattled. Force of habit I still apply the brake before shifting into gear. Also with the key out the shifter is still locked.
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Old 11-25-2003, 01:52 PM
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shifts out of park with ease, i cant ever remember it being like this.

i am going to go drive around and park everywhere, just to pull it out with out b.s.'in with the button.

just pull the orange thing out and push in on the connecter to get it out, works great!
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Old 11-25-2003, 03:11 PM
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You guys are great. I will try it and hope it works... if it does, then I can spend the money on somethun other than the unobtainiable auto slapstick shifter. I've been wanting to replace the stock one for years now, but can't find any aftermarket shifter. Not that I really wanted one, but only to get rid of that stinkin push-button trouble. thanks again.
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