The 1947 - Present Chevrolet & GMC Truck Message Board Network







Register or Log In To remove these advertisements.

Go Back   The 1947 - Present Chevrolet & GMC Truck Message Board Network > General Truck Forums > Engine & Drivetrain > LSx Swaps

Web 67-72chevytrucks.com


Reply
 
Thread Tools Display Modes
Old 02-17-2020, 02:09 PM   #1
Pontitruck
Registered User
 
Pontitruck's Avatar
 
Join Date: Sep 2018
Location: South of the Indy 500
Posts: 116
Re: Brake Switch Hookup, AAW

Quote:
Originally Posted by ls1nova71 View Post
To wire up the brake switch pictured, you would hook the first set of contacts, the two closest to the plunger, to the orange wire and the white wire. The orange should be a constant hot, coming from the fuse box, more precisely the brake light fuse, and the white wire will go to the brake lights, although generally not straight to them, as it will usually go to the turn signal switch first. The second set of contacts, the furthest from the plunger will go to the TCC wire in the PCM C1 pin 33 on one contact, and then an 'ignition hot' on the other one. You don't want the torque converter to be on a constant hot circuit. If you are planning on using cruise control, you will also need to hook up the pin 6, light blue wire in the TAC module harness to the white brake light wire.
Thanks Nova, where does the relay wiring from the switch on the trans go to or is it separate of the brake switch?
Pontitruck is offline   Reply With Quote
Old 02-17-2020, 05:52 PM   #2
ls1nova71
Registered User
 
ls1nova71's Avatar
 
Join Date: Dec 2009
Location: Independence Mo
Posts: 4,119
Re: Brake Switch Hookup, AAW

Quote:
Originally Posted by Pontitruck View Post
Thanks Nova, where does the relay wiring from the switch on the trans go to or is it separate of the brake switch?
The NSS is completely separate from the brake switch in a swap. The factory uses it for a shift interlock, but you most likely dont have that.
__________________
My '72 short bed build. http://www.ls1tech.com/forums/conver...6-0-4l80e.html

5.3 swap into my RUSTY '71 C10
http://ls1tech.com/forums/conversion...71-c-10-a.html
ls1nova71 is offline   Reply With Quote
Old 02-17-2020, 07:13 PM   #3
Pontitruck
Registered User
 
Pontitruck's Avatar
 
Join Date: Sep 2018
Location: South of the Indy 500
Posts: 116
Re: Brake Switch Hookup, AAW

Quote:
Originally Posted by ls1nova71 View Post
The NSS is completely separate from the brake switch in a swap. The factory uses it for a shift interlock, but you most likely dont have that.
Ok, I thought they were tied together, thanks!
Pontitruck is offline   Reply With Quote
Reply

Bookmarks


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 06:33 AM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2025, vBulletin Solutions Inc.
Copyright 1997-2025 67-72chevytrucks.com