When you insert the key and turn it, the accessories might not power on. In addition, another sign of a failed ignition switch is when you have trouble turning on the electrical accessories in your vehicle. The second sign of a failing ignition switch is that the ignition switch might constantly be in the “on” position, always giving power to the fuel pump and overloading the sensor. If this happens, it is a very hazardous driving situation, as the ignition will cut off power to the fuel systems. One sign is that the car can stall while driving. There are noticeable signs of a failing ignition switch. If this is the case with your ignition switch, you can experience the “car won’t start but lights come on” situation. In some situations, the ignition switch can only give the electrical components power and avoid the engine starter. The ignition switch is the electrical switch inside that your key touches when the mechanical part is inserted into the ignition. If you determine if the fuse is in good shape, then the real problem is the car’s ignition switch. Any visible damage to a fuse or fusible links can cause the “car won’t start, but lights come on ” issue in your vehicle. In that case, a damaged fuse might prevent power from getting to the starter relay, which is necessary to provide the ignition, the spark, and the power to run your vehicle. Suppose the metal wire in the plastic is damaged or disconnected. Since it can be due to various issues, you must diagnose and troubleshoot the root cause of the problem so that you can prevent it from getting any worse or fixing the wrong part in your vehicle.įirst, check your car’s manual to find the fuse box’s location to see if the fuse or wire is damaged. Let’s check out the main reasons why your car won’t start but lights come on. Reasons Why Car Won’t Start But Lights Come On If this happens, you will notice your car won’t start, but lights come on, which can indicate a serious and dangerous issue in your car that might only get worse over time.
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