I just found out that to race at the drag strip you need a Battery Cutoff switch. I have my battery cutoff switch in my car but It's in the trunk, not outside the body. I want my car to make it to the track this summer, so I need to figure out where to put the switch and how that'll work. Does anyone have any pictures of their setup? I have a switch type that I would love to use. any good ideas where? Any imput would be great!
Accorind the the NHRA rules,which is what the track near me uses when teching in a car the rule is as follows.
"8:4 MASTER CUTOFF Mandatory when battery is relocated or on any vehicle running 9.99 or quicker. An electrical power cutoff switch (one only) must be installed on the rearmost part of each vehicle and be easily accessible from outside the car body. This cutoff switch must be connected to the positive side of the electrical system and must stop all electrical functions, including magneto ignition. The off position must be clearly indicated with the word Ă˘â‚¬Ĺ“OFF.Ă˘â‚¬Âť If switch is Ă˘â‚¬Ĺ“push/pullĂ˘â‚¬Âť type, Ă˘â‚¬Ĺ“pushĂ˘â‚¬Âť must be the action for shutting off the electrical system, Ă˘â‚¬Ĺ“pullĂ˘â‚¬Âť to turn it on. Any rods or cables used to activate the switch must be minimum 1/8-inch diameter. Plastic or keyed switches prohibited."
Since my battery is relocated to the trunk I believe I fall in the group that needs one.
Why not get a second trunk lid and pop it into there? Alt kill = car runs with battery disconnected so the kill needs to stop the charge also, otherwise whats the point of cutting the battery?
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Posts: 2044 | From: Bay Area, CA | Member Since: 07/03/07 | IP: (184.108.40.206) |
posted 04/24/08 11:59 AM
What do you mean a second trunk lid?
How do I make it kill the alternator? Where does the switch need to go? I am starting to think I shouldn't have moved the battery.
Mine is set up very similar to Greensleeves. I made mine so that by pulling out 2 hitch pins you can slide the rod out of the tail light and then pop a small rubber plug (I think it was a BISS plug) into the hole so that cops don't see a thing hanging out of your tail light and dicks don't fiddle with it when you're parked somewhere. In order to solve the problem of the car continuing to run when the switch is thrown, you can get a battery disconnect switch that has the two large terminals as well as two small ones on their own circuit. I run my fuel pump through the second set so that when the switch is thrown the large terminals disconnect the battery and the small ones disconnect the fuel pump thus killing the engine. It probably isn't NHRA legal but the end result is the same and the guys at tech inspection never questioned it.
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