Electric brake controls are designed to apply the brakes of the vehicle's towed trailer. A signal is sent to the trailer's brake magnet or actuator when you apply the tow vehicle's brake pedal.The more power / voltage applied to the electromagnets, the greater the braking force. There are three basic types of brake controls on the market today which are a timed style, inertia style, and proportional. signal is sent to the trailer's brake magnet or actuator when you apply the tow vehicle's brake pedal. The more power / voltage applied to the electromagnets, the greater the braking force.
Side effects of the vaccine. You can't get mumps from the MMR vaccine, and most people experience no side effects from the vaccine. A few may experience a mild fever or rash, and some people (mostly adults) have achy joints afterward for a short time.Less than one out of 1 million doses causes a serious allergic reaction.he mumps vaccine is usually given as a combined measles-mumps-rubella (MMR) inoculation, which contains the safest and most effective form of each vaccine.
In this article. The CDC says adults at greater risk of measles or mumps should get two doses of MMR vaccine, the second one 4 weeks after the first.This includes adults who: 1  Have been exposed to measles or mumps or live in an area where an outbreak has happened. 2  Are students in colleges or trade schools. 3  Travel internationally.or measles, the CDC advises a second dose for adults who: 1  Were previously given a vaccine made with killed measles (instead of the live-type of vaccine used today). 2  Were given an MMR vaccine between 1963 and 1967, but there's no record of what type.