Bad Alternator Fuse Symptoms - Conquerall Electrical Ltd The vehicle sometimes starts and sometimes not. 2. A short circuit in any one of the wires is a common reason that causes starter fuses to keep blowing. Signs Your Car Has a Blown Fuse | YourMechanic Advice If youre still wondering why my starter fuse keeps blowing, another common reason behind it is a faulty fuel pump. it still works). If everything works, pat yourself on the back. Tell your assistant to turn the ignition key to the ON position as you examine the multimeter reading. The first step is to identify the symptoms of a blown fuse, which include dim or flickering headlights, a dead battery, and unusual sounds coming from the engine bay. Repair only requires cleaning the contact points to ensure proper flow or changing an old relay. Thats why its possible that the car wont start but the lights turn on since the starter motor wont work even if the electric current flow is achieved. Youd have to replace the damaged starter relay with a new one. Before we discuss the starter solenoid problems and bad starter solenoid symptoms, let's figure out what is a starter solenoid first. There can be a short circuit in the wires present between the ignition switch and the starter relay, which can blow the fuse. Have an assistant help you turn the ignition key to the ON position. link to Can You Clean Crankshaft Position Sensor? So between the ignition switch and any fuses. Whenever there is a short circuit in the ignition switch, it will extract a lot of current from the battery. Another common symptom is a clicking sound. If you see or smell smoke, call for help rather than turning the key harder, again! You may need to get additional repairs done to replace the fuse with a new one. Whatever charge that blew the fuse came from the PWR/TRN relay. The work of the fuel pump is to supply fuel to injectors at the required pressure. The starter motor can also become faulty and blow the fuse. 2011 Mercury 60HP 4 stroke efi - suppression diode failure? - Crappie The relay is only functional when it sends adequate electric current to the starter. Step 3: Take off the mounting screws that hold the relay to the fender. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'vehiclechef_com-large-mobile-banner-2','ezslot_13',108,'0','0'])};__ez_fad_position('div-gpt-ad-vehiclechef_com-large-mobile-banner-2-0');6. There are certain signs that your car has a blown fuse - this can help you diagnose and pinpoint the cause of the PCM relay. You can take a voltmeter or multimeter and check the batterys terminals. The relay is an all or nothing device, meaning that it either sends the full electrical current or sends nothing to the starter. Hence that can also be the reason for malfunctioning. Blown Alternator Fuse: Symptoms, Replacement Cost, How To Fix - Motor Verso If yes, then we will discuss some of the reasons why it keeps blowing. However, if there is a faulty door switch, the . Perchance these blown fuses usually cause minor issues such as malfunction of; the backup light or interior light system, the radio system, climate control features, turn signals, and more.