Checking With Test LightsĪlternatively, you can use test bulbs to inspect your trailer lights and see if they are working. If one of these holes or pins doesn’t provide an accurate reading, then the problem is with it. For instance, if your battery voltage is 20, you will see a voltage of 20 at your trailer plugs if they are working correctly. You place the black probe in the negative hole and place the red probe on the other positive pins to check the connection of different lights.ĭuring this, you look for a voltage reading of 12 or a value corresponding with your battery voltage. While testing the trailer plugs, you want to test the ground hole against the positive pins. Once you confirm that these are working, you move to your trailer plugs. Here is a video that shows exactly what to do. While doing this for each individual hole, you check for a reading of 3 Ohms. To check the connector holes, you place your black probe on the negative pin and put your red probe into the other positive pinholes. If this works fine, you move to inspect your positive connector holes. Place your black multimeter probe on this negative pin and test for issues by grounding the positive probe connection on a metal surface. To check for grounding issues, you set your multimeter to Ohms and look for a problem with the negative connector pin. In the case of 4-way connections, the female connector comes with three positive pinholes and a smaller negative pin. Testing connectors involves checking for grounding issues and problems in your connector pin and holes. You can refer to our FAQ section for steps on testing 7-way connectors. The following steps will be in the context of 4-way connectors. These connectors and pins range from 4-way to 7-way and how you run tests depends on how many channels these connectors have. Your trailer wiring system involves hooking up your “male” trailer plugs into the “female” connectors. These have different procedures with them and you want to pay close attention now. To test your trailer lights, you disconnect the wiring system and use your multimeter probes to check for a ground connection problem at the connector or a problem with the trailer plugs. How To Test Trailer Lights With A Multimeter To do this, you need the following tools. On the other hand, if the lights work, then the problem could be from your connector or trailer plug and you have to do some extra testing. This video helps to paint a clearer picture. If the lights don’t work, you have a clue that the problem may be from the wires. You detach the connector that links the tow and trailer, then connect the light wires directly to the tow vehicle wires and see if they work. If the new lights don’t work, you move to the next diagnosis step.īypassing the tow wiring is important to determine whether the problem is from the trailer connector/plugs or if it is a simple connection problem with the light wires. You simply replace the lights with new ones and see if they come on. Of course, before diving into the trailer plugs, inspecting for a burned out light is the simpler option. Bypassing the tow wiring system/trailer connector plugs.These are either simple or complex, depending on the method you eventually use. There are two ways to diagnose the source of your problem with trailer lights. How To Test Trailer Lights With A Multimeterĭiagnosing A Problem With Your Trailer Lights.Diagnosing A Problem With Your Trailer Lights.In this guide, you’ll learn the following:
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |