If it shows 0 volts, it means the horn is not getting any current. Multimeter should show 12+ volts at the connector when you press the horn button on the steering wheel of your Trax. The multimeter should read 12+ volts, if it reads 0 volts then it indicates conductivity failure in the horn system: a broken wire, bad connector, broken clock spring or faulty switch can be the cause other than blown fuse or bad relay. After inserting the probes, ask a friend to press the horn button in the vehicle. Turn on the multimeter and insert the probes into the connector, one at each point making sure the metal part of probes don’t touch each other – otherwise it will short out and blow up the fuse, and may cause damage to the vehicle’s electrical system. If you don’t see any corrosion on the connector of your Trax, then its time to perform the voltage test with a multimeter, or you can also use a test light. For safety reasons, make sure the battery is disconnected when cleaning the connector, and the connector is fully dry before you plug it back in. You don’t necessarily have to replace the corroded connector, in most cases the connector can be cleaned with WD-40. This can lead to corrosion on the connector resulting in poor conductivity. The horn sits at the front of your Chevy Trax where grime and other small particles can build up over time. You can test the horn on your Trax by checking the voltage at the connector or with a test light. In particular, if the horn is working but sounds off, it’s because one of the horns has worn out. Still, it can fail depending on how often you use it. Horns rarely break down, they can last decades and can even outlive the life of the vehicle. Remember: The battery should be reconnected after replacing the relay – otherwise no current will flow.Ī broken horn could be the reason why you can no longer honk on your Chevy Trax. Be careful not to damage anything when removing the relays. Most relays are plugged in, but they can still be relatively tight. With this you can easily test whether the electromagnetic switch is actually the cause of the malfunctioning horn on your Trax. Before starting the replacement, you must always disconnect the vehicle’s battery.Īs soon as you have identified the relay for the horn, you should check whether there is an identical relay in the box, typically you can use AC relay to test the horn relay. If you are lucky, the wiring diagram will be drawn on the facing. Typically relays are located in the engine compartment or under the steering wheel on the left-hand side. The information may be listed in your vehicle’s owners manual. A horn relay is rectangular or square shaped with 3 or more legs at the bottom.įirst of all, you should find out where the horn relay is located in your particular model of Trax. A bad relay can also be the cause of horn failure on your Chevy Trax. They should be able to figure out if the component needs to be replaced or if there is a short or some other problem with your Bolt EV.Relays are electromagnetic switches that are used to switch electrical loads on and off. If checking and replacing the fuse for the component in question doesn’t work, we recommend seeking assistance from a trusted professional mechanic. If you need to replace a blown fuse in your Bolt EV, make sure you replace it with one that has the same amperage as the blown fuse. Some components may have multiple fuses, so make sure you check all of the fuses that are linked to the component in question. If your Bolt EV has many options like a sunroof, navigation, heated seats, etc, the more fuses it has. Next you need to consult the 2017 Chevrolet Bolt EV fuse box diagram to locate the blown fuse. Some Chevrolets have multiple interior fuse boxes including in the trunk - the video will show you where the interior fuse box of your 2017 Bolt EV is located. If your Bolt EV is experiencing electrical problems, you should always check the fuses first, because they are relatively easy to check and cheap to change. Electrical components such as your map light, radio, heated seats, high beams, power windows, headlights, fan blower, defroster, door lock, power seat, windshield wiper motor, fuel pump, horn, anti-lock brakes and rear view camera all have fuses and if they suddenly stop working, chances are you have a fuse that has blown out. This video shows how to replace blown fuses in the interior 2017 Chevrolet Bolt EV fuse box of your in addition to the fuse panel diagram location.
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