Car Fuse Box Troubleshooting

An automobile typically has two fuse boxes.

Car fuse box troubleshooting. The ignition switch in the car is just like any other low voltage multi pole electrical switch except its turned by a car key rather than a knob or paddle switch. Scannerdanner premium is still available on youtube through august 2018. One is usually designated for the engine controls and is located under the hood. This is where were going to work.

A wire leads from the live side of the solenoid not through the switch itself to the ignition switch. There are 2 main fuse box locations in a car 1 is plate near the steering wheel. Troubleshooting car wiring and electrical problems for ignition switch lights and motors i s there an open circuit with key on run. One of the first symptoms of a problem with the fuse box is fuses blowing frequently.

After a request from a subscriber here is the location of the fuse box and the diagnostic port plus a storage area i didnt even know existed fuse box diag. A car fuse box develops minor problems like blown fuses dislocated fuses or impaction of grime and dust along the connectors. Then there is also a fuse box that is for the body controls that is located under the dash. 9 out of 10 times your troubleshooting will stop right there.

One located in the engine compartment is for the motors electrical needs and one in the cab of the vehicle is for accessories and lights. Use the fuse removal tool provided with the fuse box to easily remove the fuse and inspect it. The other is placed under the hood. A car sometimes will even have a third depending on how many electrical devices it has.

A blown car fuse is among the most common of car maintenance problems. The vehicle may blow the same fuse repeatedly for no apparent reason. The fuses protect each circuit from excessive amps which may damage the components. From the positive terminal another heavy cable goes to the starter solenoid switch which feeds current to the starter along a third heavy cable.

If you can locate the car fuse box replacing blown fuses and troubleshooting other fuse box problems is rather easy. On most cars the negative battery terminal is earthed. Troubleshooting an electrical short requires. The types of wiring in general are endless because of the different makes of cars having unique wiring systems.

The fuse box may have to be disassembled or removed in order to determine if this. The battery is earthed to the body by a short heavy cable or by a braided wire strap. Troubleshooting car electrical problems can be frustrating and even be intimidating sometimes.