Brake Shutdown Input
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=132450
Printed Date: May 29, 2024 at 3:23 AM
Topic: Brake Shutdown Input
Posted By: c_hawks
Subject: Brake Shutdown Input
Date Posted: October 21, 2012 at 3:15 PM
On the Aux/shutdown harness H/16 is (+) Brake Shutdown input. Is that the wire that needs to be hooked to the parking brake to let teh system know the parking brake is engaged before it will allow a manual transmission vehicle start? If not which wire do I connect to?
-------------
C_Hawks
2009 Toyota Tacoma Access cab
4 cylinder, manual trans
Replies:
Posted By: howie ll
Date Posted: October 21, 2012 at 3:50 PM
Nope that's the wire from the switched (light bulb side) of the foot brake.
-------------
Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: i am an idiot
Date Posted: October 21, 2012 at 3:51 PM
Parking brake wire is ALWAYS negative in polarity. I would assume that it being positive in nature would indicate that it is looking for the positive output of the foot brake.
Posted By: c_hawks
Date Posted: October 21, 2012 at 4:02 PM
Then would I be correct in saying that the Barke Shutdaown input wire needs to be connected to the parking brake wire?
Thanks for the info ------------- C_Hawks
2009 Toyota Tacoma Access cab
4 cylinder, manual trans
Posted By: howie ll
Date Posted: October 21, 2012 at 4:33 PM
NO!!!!
The explanation would take too long but it goes along the lines of take this to a pro and pay to have them install this it will cost you less in the long term.
Foot brake (+) is a "positive shut down input".
Parking (hand) brake is a (-) input that the R/S has to see to start. Often used on manuals as a safety except I've never seen a parking brake stopping a car that started in gear. It's a poor-man's substitute for an NSS signal from a manual gearbox.
-------------
Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: kreg357
Date Posted: October 21, 2012 at 4:35 PM
Let's be specific. Viper 4704V & 2009 Tacoma
H/16 BROWN (+) BRAKE SHUTDOWN INPUT on 24 Pin harness This wire goes to the Tacoma's Brake Pedal signal, not the Parking Brake.
Brake Wire Blue (+) @ dash fuse box, White 13 pin Plug (1D), Pin 13
This wire is shown quite clearly in the 2010 Tacoma Pictorial ( seventh picture from the top ) :
https://www.the12volt.com/installbay/forum_posts.asp~TID~130004~PN~1 ------------- Soldering is fun!
Posted By: c_hawks
Date Posted: October 21, 2012 at 4:42 PM
THanks I have that pictorial printed out and following it with what I can. My question then is what wire hooks to what for the parking brake? I have read thru the manual and the installation instructions and the only thing for manuals it talks about is how you must leave it in nuetral and saafety and such. The only thing being a manual transmission I know is that I need to hook up the tach wire and not use the virtal tach.
Other then that I am clueless with this and really don't have the time or funds to take to pro for install.
Probably should of just taken it to pro from the start but I am determined to figure it out with whatever help I can get. Thanks to all who have helped to this point ------------- C_Hawks
2009 Toyota Tacoma Access cab
4 cylinder, manual trans
Posted By: kreg357
Date Posted: October 21, 2012 at 4:48 PM
On manual transmission vehicles, the Neutral Safety wire should go to the Parking Brake wire ( if an actual neutral safety signal is not available ).
What are your plans on the clutch bypass? ------------- Soldering is fun!
Posted By: howie ll
Date Posted: October 21, 2012 at 4:48 PM
H2/2 BLACK/ white goes to the wire at the switch at the base of the handbrake.
Once the handbrake is pulled up, that wire goes to ground and "enables" the remote start.
BTW. Always connect "real" not virtual tach.
-------------
Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: c_hawks
Date Posted: October 21, 2012 at 4:51 PM
Thanks.... I was planning on connecting real tach.
Sorry if being bothersome....Just want to get it right.... Again thanks ------------- C_Hawks
2009 Toyota Tacoma Access cab
4 cylinder, manual trans
Posted By: c_hawks
Date Posted: October 21, 2012 at 4:56 PM
kreg357 wrote:
On manual transmission vehicles, the Neutral Safety wire should go to the Parking Brake wire ( if an actual neutral safety signal is not available ).
What are your plans on the clutch bypass?
Well that was next once I got the other going in the right direction. And honestly not sure for everything I read and research didn't mention any thing about a clutch bypass. I'll have to look and see if I can google any info on it.
Not very planned out on my part. ------------- C_Hawks
2009 Toyota Tacoma Access cab
4 cylinder, manual trans
Posted By: kreg357
Date Posted: October 21, 2012 at 5:06 PM
You will need a clutch bypass, as there won't be anyone sitting in the truck to depress the clutch pedal for you when you hit the remote start button at a distance of up to 1 mile...  ------------- Soldering is fun!
Posted By: howie ll
Date Posted: October 21, 2012 at 5:09 PM
 ------------- Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: c_hawks
Date Posted: October 21, 2012 at 5:30 PM
Question then. What do I need to bypass the clutch? I have a clutch start cancel on my truck already. What must be done to make remote start work?
-------------
C_Hawks
2009 Toyota Tacoma Access cab
4 cylinder, manual trans
Posted By: Mike M2
Date Posted: October 21, 2012 at 6:02 PM
| Clutch Pedal |
blue/black (input), BLACK / YELLOW (output) |
+ N.O. |
clutch switch, black 2 pin plug, pins 1 and 2 |
| Clutch Pedal |
blue/black (input), BLACK / YELLOW (output) |
+ N.O. |
clutch switch, black 2 pin plug, pins 1 and 2 | ------------- Mike M2
Tech Manager
CS Dealer Services
Posted By: c_hawks
Date Posted: October 21, 2012 at 6:07 PM
Mike M2 wrote:
| Clutch Pedal |
blue/black (input), BLACK / YELLOW (output) |
+ N.O. |
clutch switch, black 2 pin plug, pins 1 and 2 |
| Clutch Pedal |
blue/black (input), BLACK / YELLOW (output) |
+ N.O. |
clutch switch, black 2 pin plug, pins 1 and 2 |
In the interest of not sounding completely retard or insulting. this means what? Other then the obvious that those are the wires for the clutch. ------------- C_Hawks
2009 Toyota Tacoma Access cab
4 cylinder, manual trans
Posted By: offroadzj
Date Posted: October 21, 2012 at 7:48 PM
Not to sound like an ***, but it doesn't sound like you know enough of what you are doing to take this on. A simple mistake on a remote starter install can cost thousands of dollars in damage to the vehicle. Do yourself a huge favor and bring it to a pro. Also, what unit are you installing? If it is not a unit designed for manual transmissions then you need to stop the install completely as you are creating a MAJOR safety hazard.
-------------
Kenny
Owner / Technician
KKD Garage LLC
Albany, NY 12205
Posted By: c_hawks
Date Posted: October 21, 2012 at 7:53 PM
The system is a Viper 4704. It is manual transmission capable. It is a little out of my realm of knowledge but it is coming together now. Thanks to all the info and help I have recieved. Will admit after this install I will not do ne again.
-------------
C_Hawks
2009 Toyota Tacoma Access cab
4 cylinder, manual trans
Posted By: offroadzj
Date Posted: October 21, 2012 at 8:12 PM
Well if you insist on doing it, then just make sure that you TEST and verify EVERYTHING. Don't take anything from here or any other site for word. If you don't have a Digital Multimeter, get one before you continue.
-------------
Kenny
Owner / Technician
KKD Garage LLC
Albany, NY 12205
Posted By: kreg357
Date Posted: October 21, 2012 at 8:44 PM
Clutch Pedal blue/black (input), BLACK / YELLOW (output) + N.O. clutch switch, black 2 pin plug, pins 1 and 2
What this means : When the clutch pedal is fully depressed, the Normally Open switch closes. This allows the
Blue/Black input wire to pass it's (+) signal thru to the BLACK / YELLOW wire and on to the vehicles starter circuit.
Test:
You should verify this function with a Digital Multi Meter. Set the DMM to 20V DC, connect the Black test lead to
chassis ground and connect the Red test lead to the Blue/Black wire. The vehicles ignition must be ON. You should
see +12V. Move the Red test lead to the BLACK / YELLOW wire. You should see 0V. Slowly depress the clutch pedal.
Near the end of its' travel ( almost to the floor ) the DMM should show +12v. If everything works as stated continue
on to the bypass.
Bypass:
There are several ways to bypass this type of clutch interlock. First, you must be using a manual transmission safe
remote starter unit, like your Viper 4704V. It has built in safeties that ensure the vehicle is parked & locked
with the shifter in neutral and stays locked and un-entered until a remote start. This ensures everyones safety.
Here is one way to bypass the clutch interlock switch. It does not alter the normal function of the switch but allows
a bypass during remote start only. Obtain a Bosch style automotive 30/40 Amp SPDT relay and fuse holder w/ 3 amp
fuse. Wire as follows :
Relay Pin 85 to Viper 4704V H/3 BLUE/WHITE (-) 200mA 2ND STATUS /REAR DEFOGGER OUTPUT *** set to 2nd Status
Relay Pin 86 to +12V constant thru 3 A fuse
Relay Pin 87 to Tacoma Clutch Blue/Black input wire
Relay Pin 30 to Tacoma Clutch BLACK / YELLOW output wire
Relay Pin 87A not used - insulate
The relay in its' normal de-energized state has no affect on the clutch interlock circuit. It will operate normally.
During a remote start, the Viper will output a ground on its' Blue/White 2nd Status wire. This will cause the relay
to energize. Once energized the relay will connect Pin 87 to Pin 30, allowing the (+) signal around the clutch interlock
switch to the output wire, making the vehicle think the clutch has been depressed and allow the engine to start. ------------- Soldering is fun!
Posted By: howie ll
Date Posted: October 22, 2012 at 12:37 AM
This is turning in to a full on hold my hand tutorial  .
Wait till we get to dome supervision key sense and tach pick-up.
Unfortunately the OP's questions aren't basic, they are silly, I would advise the OP to read the installation guide thoroughly, do a list off connections and mate them to the Avital connection sheet.
Test and verify everything, then solder the joints. ------------- Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
|