Primary stage. During the primary stage of syphilis, a sore (chancre) that is usually painless develops at the site where the bacteria entered the body. This commonly occurs within 3 weeks of exposure but can range from 10 to 90 days.A person is highly contagious during the primary stage.rimary stage. During the primary stage of syphilis, a sore (chancre) that is usually painless develops at the site where the bacteria entered the body. This commonly occurs within 3 weeks of exposure but can range from 10 to 90 days. A person is highly contagious during the primary stage.
1 Installing an ignition switch typically takes 1-1.5 hours, at $50-$120 an hour, depending on local rates and whether the work is done at an independent or chain repair shop, or a dealership (typically the most expensive). If the ignition switch has shorted out, the surrounding wires may be melted or burned, and will also need to be replaced, which will increase the total cost slightly. 2  An ignition switch can be replaced by a car dealership, an independent repair shop, or car-repair chains like Pep Boys or Sears.
Locate the ignition switch on top of the steering column. The switch is a small rectangular box connected to the lock cylinder---where you insert the ignition key---through an actuating rod. Unfasten the two ignition-switch mounting bolts using a wrench or ratchet and socket.Slide the ignition switch off the actuating rod and remove it from the steering column.et the new ignition switch in place on top of the steering column, and start the two mounting bolts by hand. Then tighten the mounting bolts using the wrench or ratchet and socket. Remove the pin (if the new switch came equipped with it) from the switch slider by hand or with pair of needle-nosed pliers.