Why do I keep blowing ignition fuses?
If the fuse is now blowing immediately when you turn the ignition key it is a sign of a short in the system. It could have been a loose or frayed wire previously that has just gone completely bad. You’ll need a wiring diagram to begin checking. 13 people found this helpful.
Will a blown ignition fuse symptoms?
Usually, a blown fuse just causes a minor car electrical problem, like backup lights or interior lights not working, not being able to use your radio, losing a turn signal, or some of your climate control features not functioning properly. In rare cases, though, a blown fuse can mean that your car won’t start.
What are the causes of ignition fuses blowing?
Some of the common accessories that cause blown fuses are things like the starter, the headlight, an improperly wired ignition coil, or one of the onboard computers that control the fuel injection or timing.
Why does the starter motor fuse keep blowing?
More than likely its being caused by a short-circuit to ground in the wiring in your Cranking Circuit. If it blows the fuse immediately after installing the fuse, its probably a hot-wire. If it blows it the second you try to crank it over, its probably one of the wires between your ignition and the Starter Relay.
Why does my power wire fuse keep blowing?
The common issue with fuses blowing would be because of faulty wiring. The faulty wiring or even the defective wiper motors would often lead to the excessive current flow in a system. What this does is result in a blown fuse each time a new one is installed.
Can a bad relay cause a fuse to blow?
If the blower motor relay develops any sort of problem that hinders its ability to properly limit and distribute power, it may cause the blower motor fuse to blow. Any sort of electrical spikes or excessive current from a bad relay will blow the fuse and cut power in order to protect the system.