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Reversing light switch: replacement and selection

When and why a reversing light switch needs replacement

Manufacturers do not specify operational lifetime of this component. The element needs to be replaced if breakage of inner circuit contacts occurred. Moreover, such defect as rod jamming is possible.

The reverse light switch can break down due to untimely replacement of transmission oil, due to which the rod is soiled with abrasive particles and gets jammed. Breakage of inner circuit contacts can be caused by installation of poor-quality park assist system. Such device consumes lots of electric energy, which increases the load on the reversing light switch. This leads to breakage of inner contacts of the part.

The fact that reversing lights do not activate when you shift to reverse suggests defects of this element. However, sometimes the lights, on the contrary, can operate erratically or constantly without turning off.

The process of switch replacement has certain peculiarities according to car design. Most likely a lifting device will be required. Wheel demounting is often needed. Also, in most cases, you need to drain transmission oil in advance, in order to prevent its leakage and getting to other parts. If necessary, working liquid can be replaced.

How to select reversing light switch

These components differ from one another in casing production material. For example, manufacturers use metal and plastics. Sensors with and without sealing elements are available. Components of the first type are easier in installation, as they require no additional work. And it is recommended to apply a bit of sealant to the thread of sensors without sealing elements. This helps to prevent oil leakage from under the component.

In order to make the reversing light switch perform its function properly during continuous time, purchase the component of a proven brand. For example, high-quality sensors are available in the assortment of the following trademarks: Metzger, VEMO, Febi Bilstein.

For a successful purchase tell our manager your car’s main technical characteristics. The sensor will be compatible by all the parameters (length, thread size and pitch, quantity of connection contacts) only if during purchasing you are guided by the car model, brand, manufacturing year, engine and gearbox types.