Remote Battery Kill switch.

[jerryk]

Many people want to install a battery kill switch either to prevent theft or in case of emergency. I used a very powerful latching relay, which is activated by a momentary switch. This type of switch is used to supply a quick pulse and does not have on/off positions. It does not have to be robust and can be a small micro switch since the pulse circuit does not carry a heavy load.The latching feature means that the relay will stay in the current position after the car is shut off; the momentary pushbutton is only used to change the energized or non-energized status. I re-drew the wiring diagram to make it easier to understand. If you are going to use it as an anti theft, device you should consider having your radio, clock and alarm moved from their normal power source to the location indicated by (***)The other important piece of information is this solenoid /relay does not have polarity and can be wired in either direction. The terminal numbers are not shown on the unit; this is not a problem because the terminal sizes dictate their purpose.Terminals 1 and 4 10-32 threads are for battery power Terminals 2 and 3 are smaller 5/16"-24 threads for control circuit.

Drawing:

Picture:

Here is the relay model number and location for purchase.http://texasindustrialelectric...0.asp
Modified by jerryk at 11:57 AM 10/15/2008

[SIDEWAYZ -180]

kool