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Old 10-27-2018, 10:01 PM   #1
xKid4x4s
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Question Need help naming a sensor on the shift cable.

Hey everyone, I have a 2000 (obs) k3500 w/4l80e transmission.

I am replacing my shift cable, and noticed a small switch/sensor right under the dash, attached to the same spot as the shift cable is, and therefore It moves in sync with the shift cable.

I have issues with my PRNDL Lights not working, and I think this is the culprit. I cant find out what its called though so I can buy one! Its not the range switch, I replaced the one on the tranny that the other end of the cable attaches to already and have also replaced the gauge cluster, no luck. Could this be the issue, and what exactly is "this".

thanks!
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Old 10-31-2018, 08:34 AM   #2
sntrym95
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Re: Need help naming a sensor on the shift cable.

Do you mean this piece? https://www.summitracing.com/oh/part...5841/overview/

This is the shift lockout that requires you to put your foot on the brake to shift out of park.
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Old 10-31-2018, 02:01 PM   #3
95 S_Trucker
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Re: Need help naming a sensor on the shift cable.

There is nothing in the column that affects the PRND321 display.

The part on the column is what GM calls BTSI(Brake Transmission Shift Interlock).

If there was a problem with that, you wouldn't be able to move your shifter out of park.

I will get a wiring diagram for the PRND321 display. I may need to post it from my phone.
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Old 10-31-2018, 07:04 PM   #4
xKid4x4s
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Thumbs up Re: Need help naming a sensor on the shift cable.

Quote:
Originally Posted by sntrym95 View Post
Do you mean this piece? https://www.summitracing.com/oh/part...5841/overview/

This is the shift lockout that requires you to put your foot on the brake to shift out of park.
Yes! Thank you both for the helpful answers.
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Old 11-01-2018, 07:29 AM   #5
95 S_Trucker
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Re: Need help naming a sensor on the shift cable.

Finally got a chance to post the diagram:

Name:  PRND321.jpg
Views: 66
Size:  44.7 KB
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