Race Car Battery Kill Switch Wiring Diagram

4430 master battery cut off switch wiring instructions pegasus kill go ahead take the wheel 21 beautiful race car al 6512 diagram in a automotive electrical sensor for bos only mopar forum 5 best ways to install your anti theft df 3422 i get free image about longacre 4 terminal auto racing 4430 master battery cut off switch read more.

Race car battery kill switch wiring diagram. The 4430 switch has a third set of contacts labeled z which interrupts the ignition circuit when the switch is turned off. No it s not black magic. In my race car years ago without an alternator i broke the battery negative leads with the kill switch. This battery kill switch featues a die cast lever rated at 180 amp continuous 1000 amp instantaneous item detailswith alternator cutoff.

Wire your own race car with the help of former cup electrical specialist rick elgin. Help wiring a battery cut off switch for racing. That alternator charge wire has to be on the battery side of the kill switch to prevent it from powering the car when the kill switch is turned off. The switch is to be located in the positive wire close to the battery and easily accessible from the outside rear of the vehicle.

Cut the positive battery cable near where the switch will be located. Turn the car off and disconnect the negative battery cable. To be nhra legal first you need to mount the battery in a sealed box that has a vent exiting the outside of the car. If you isolate the alternator from the battery with the engine running you could damage the alternator diodes when you shut the car down with the kill switch.

There s several things you could do if it makes you uncomfortable such as putting a constant duty relay in line with the alternator charge wire so that when the main power is off it also breaks. Wiring the 4430 kill switch. Power shut off switches for rear mounted batteries nhra rules specify that a 12 volt power shutoff master disconnector switch be installed if the battery is relocated to the rear of the vehicle. Required for use with alternator cutoff by nhra.

Race car kill switch wiring diagram. When wired properly the car should turn off when the switch is turned off. Battery disconnect switch for safety and theft protection. You also need to run the altenator charge wire to the battery side of the switch or directly to the positive terminal of the battery.

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