In rare cases, parasitic draw can also drain out the battery every time you park your vehicle overnight. If your Trax continues to draw excessive electric current from the battery after you turn off the ignition, it is called parasitic draw. If you see over 13.5 volts and less than 15 volts with no major fluctuations when you turn on the accessories in the vehicle, the alternator is functioning properly. The easiest method to check the alternator is by measuring the voltage at the battery terminals when the engine is running. To rule out dead battery, your best course of action is to jump start your Trax using jumper cables and a healthy battery from another vehicle, or using a battery booster if available.Īlternators can fail at any time, but generally they last over 100,000 miles. This can happen due to internal degradation of the battery, if the vehicle has been sitting for a long time, or if the alternator in your Trax has malfunctioned and not charging the battery properly. If the voltage drops too much, below 10 volts, your battery doesn’t have enough charge to start the engine. Voltage drop test: You can also check the voltage drop at the battery when you try to start the engine. Sometimes a battery showing over 12.4 volts may not be able to supply enough current to crank the engine. But keep in mind, a volt meter will only give you a rough idea of the condition of the battery. A healthy battery should have 12.6 volts or more when fully charged. The easiest method to check the 12v battery in Trax is by measuring the voltage with a multimeter. Symptom: Rapid clicking sound This is what rapid clicking noise normally sounds like due to a weak battery, or due to a poor battery connection (for example due to corrosion on battery terminals). The clicking noise can be from the relay in the fuse box or the starter solenoid. If there isn’t enough charge in the battery to power the starter motor, and you try to crank the engine, the battery voltage will get so low that it can’t properly power the lights, accessories and of-course the starter. Flickering dashboard lightsĪnother symptom of weak battery in Trax is flickering dashboard lights and/or rapid clicking noise when you try to start the engine. The starter motor requires high electric current to turn over the engine, whereas lights and wipers take very little current to operate – so don’t rule out weak battery even if electrical accessories work normally in your Trax. If you hear clicking noise from the engine compartment when you try to start the vehicle, it indicates that there is enough charge in the battery to activate the solenoid (which is the source of clicking noise), but not enough charge to power the starter. The leading cause of clicking noise and no start in Chevy Trax is weak battery. Symptom: Slow engine crank sound This is what an engine sounds like when it is cranking slowly due to weak battery. Slow crank is usually the first symptom of a dying battery. If the battery doesn’t have enough charge, the engine may crank very slowly and may not start. It powers the starter motor that turns over the engine. The 12 volt battery is a vital component of the starting system in Chevy Trax.
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