How to install kill switch?
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From: South Florida
How to install kill switch?
I searched the f'n forum before anyone asks, and pictures from an old thread no longer show up. I need to install a kill switch on my track car. I built the entire car myself, and I am stumped on this kill switch. I am not that great with electrial stuff, but I refuse to have someone else do this small job for me. I am wondering if anyone can show pics of their setup and wiring, and if their switch is mounted in the car or on the hood or something.
Thank you very much!
Thank you very much!
Joined: Aug 2004
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From: Hendersonville TN
I was in the same boat this past winter, no pics show up. I still have not installed mine either. I hope a good post or two pop up.
I've seen them mounted on the roll cage close to the side view mirror and in the dash just above the A/C vent. Both driver side. I've also seen them on the dash of the passenger side. Not sure what the rule say for closeness to the driver as much as ease for corner worker to see and reach it.
I've seen them mounted on the roll cage close to the side view mirror and in the dash just above the A/C vent. Both driver side. I've also seen them on the dash of the passenger side. Not sure what the rule say for closeness to the driver as much as ease for corner worker to see and reach it.
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From: Amherst/Buffalo, Ny
I know most tracks/organizations either require it within arms reach of the driver or outside in a labeled and easily excessable location. i do have one not installed yet tho :/ trying to figure out a good place to put mine haha. hopefully something comes up 
GL!
GL!
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Check with your organization, different ones have different locations. Some say driver's side and some say center (so if driver's door is pinned against a tire wall a worker can still reach it).
I'd say put it in the safest place that it's legal.
I'd say put it in the safest place that it's legal.
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And electrically you need it to kill everything. So breaking the ignition circuit underneath the steering column isn't good enough. The battery still connects to dome lights and brake lights. Go to Fleet Farm or someplace similar and get a kit that interrupts the main battery at the source. They sell those red "safety keys" there. Make sure to use heavy gauge wire. Run it through the fire wall.
Joined: Mar 2002
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From: Seattle, WA
I don't have a kill switch in my S2000 since it's a street car, but I can share some insight from the Spec Miata world.
As CKit pointed out, check with your organization's rules, but here are the SCCA's for the record:
Both of these options are a pain if your car still has an interior and/or you're not willing to cut into the bodywork. Having said that, it's common at least in Spec Miata to mount the switch to the right side of the roll cage behind where the passenger seat would be. If you have a roll bar you could presumably do the same, although if you still have a passenger seat, you'll likely face a choice between making the switch too hard to reach, and having it too easy for a passenger to smash their head into.
Some classes also have the following rule:
In Spec Miata it's enforced even though it's not technically in the Spec Miata section of the rulebook.
As for installation, the following links are all Miata-specific, but I imagine they'll translate pretty easily to the S2000:
http://www.specmiata.com/faq/?num=4&..._id=69&s_id=15
http://forum.specmiata.com/cgi-bin/ultimat...pic/1/4308.html
http://forum.specmiata.com/cgi-bin/ultimat...ic/43/1077.html
As for where to buy them, any real race shop (i.e. a shop that caters to people who actually race instead of the Fast and Furious crowd) will have them.
Don't forget the decal.
I saw one guy mention having two kill switches -- one on the inside within easy reach of the driver, and one on the outside within easy reach of the course workers. If I was building a car now, I'd go that route for safety's sake.
As CKit pointed out, check with your organization's rules, but here are the SCCA's for the record:
Master Switch – A safety switch which can be actuated by the driver or
other to disable all operating electrical functions, without disconnecting
the electrical supply to any fire system present.
other to disable all operating electrical functions, without disconnecting
the electrical supply to any fire system present.
9.3.34. MASTER SWITCH
All cars, except Showroom Stock and Touring shall be equipped with a
master switch easily accessible from outside the car. Spec Racer Fords
shall be wired per RFSRII. The master switch shall be installed directly in
either battery cable and shall cut all electrical circuits but not an on-board
fire system. All terminals of the master switch shall be insulated to prevent
shorting out. It shall be clearly marked by the international marking of a
spark in a blue triangle and mounted in a standard location. Off position
shall be clearly indicated at the master switch location. The standard locations
shall be as follows:
A. Formula and Sports Racing Cars–In proximity to the right-hand
member of the roll bar, but in a location so that it cannot be operated
accidentally. It can be mounted on a bracket welded to the
inside of the upright member or mounted so that the operating lever
or knob is outside of the body panel immediately in-board of the
upright member. This is the standard location on Formula cars built
to the Constructor’s Association requirements for Formula 1.
B. Closed Sports Racing Cars, Production Cars, Improved Touring and
GT Cars–In front of the windshield on either the cowl or on top of
the fender, but close enough to the windshield to be accessible
if the car is overturned. Alternatively, it may be mounted below
the center of the rear window or on a bracket welded, clamped
or bolted to the roll cage or dash, easily accessible through the
open window. (Drilling of holes in roll cage to attach the bracket is
prohibited.)
C. Open Production, GT, and Improved Touring Cars–May exercise a
choice among the above locations.
All cars, except Showroom Stock and Touring shall be equipped with a
master switch easily accessible from outside the car. Spec Racer Fords
shall be wired per RFSRII. The master switch shall be installed directly in
either battery cable and shall cut all electrical circuits but not an on-board
fire system. All terminals of the master switch shall be insulated to prevent
shorting out. It shall be clearly marked by the international marking of a
spark in a blue triangle and mounted in a standard location. Off position
shall be clearly indicated at the master switch location. The standard locations
shall be as follows:
A. Formula and Sports Racing Cars–In proximity to the right-hand
member of the roll bar, but in a location so that it cannot be operated
accidentally. It can be mounted on a bracket welded to the
inside of the upright member or mounted so that the operating lever
or knob is outside of the body panel immediately in-board of the
upright member. This is the standard location on Formula cars built
to the Constructor’s Association requirements for Formula 1.
B. Closed Sports Racing Cars, Production Cars, Improved Touring and
GT Cars–In front of the windshield on either the cowl or on top of
the fender, but close enough to the windshield to be accessible
if the car is overturned. Alternatively, it may be mounted below
the center of the rear window or on a bracket welded, clamped
or bolted to the roll cage or dash, easily accessible through the
open window. (Drilling of holes in roll cage to attach the bracket is
prohibited.)
C. Open Production, GT, and Improved Touring Cars–May exercise a
choice among the above locations.
Some classes also have the following rule:
Car must shut off when master switch is
turned off.
turned off.
As for installation, the following links are all Miata-specific, but I imagine they'll translate pretty easily to the S2000:
http://www.specmiata.com/faq/?num=4&..._id=69&s_id=15
http://forum.specmiata.com/cgi-bin/ultimat...pic/1/4308.html
http://forum.specmiata.com/cgi-bin/ultimat...ic/43/1077.html
As for where to buy them, any real race shop (i.e. a shop that caters to people who actually race instead of the Fast and Furious crowd) will have them.
Don't forget the decal.
I saw one guy mention having two kill switches -- one on the inside within easy reach of the driver, and one on the outside within easy reach of the course workers. If I was building a car now, I'd go that route for safety's sake.
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Thread Starter
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Joined: Dec 2009
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From: South Florida
I already have a switch, its an OMP 6 pole switch. Now I just need to hook it up. I am not worried about location, I will check with my 3 leagues i plan to race in and put it in a correct spot. My question is wiring. I know i want it to connect to the battery and alternator, I just don't know how.
Thread Starter
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From: South Florida
Originally Posted by krazik,Sep 5 2010, 09:36 AM
How I have mine wired.
Code:
[Battery+] ---\
----[Switch]----[Car]
[Alternator+]---/
thank you
