Switch concealed in upholstery foils Ford thief

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Eight feet of high tension wire, a two-button boxed-in wall switch and a small quantity of tape, will defeat any thief who tries to steal a Ford, even if he carries an extra coil-box with the necessary wires to hang it on the manifold pipe.

The sketch shows the method of wiring. The switch is placed somewhere under the upholstery. Be sure the switch is completely insulated. Arrange the wiring so that the wire from the magneto terminal to the switch is taped to the wire running back from the switch to the coil-box at a point as close as possible to the magneto terminal. In that way, a hurried or casual examination of the magneto wire from the engine side will give the appearance of correct wiring from magneto to coil-box. This method can easily be used to the starter type of Ford by breaking in on the battery wire.

This device has already foiled an attempt to rewire a lock that was pried off and has also prevented children from starting the car when the keys were inadvertently left in the lock.

By H.M. Emmons.

Source: Popular Science Monthly April 1922 (page 96).

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