Signs of a bad ignition switch could include dashboard lights that come off and on, problems with the vehicle starting and a switch that is hot to the touch. A bad ignition switch can mimic other problems that are seen in a car, such as a faulty motor starter.Continue Reading
A vehicle that does not click when it is turned over may have a bad ignition switch. If the lights on the dashboard turn on when the car is stalling, it is probably not the ignition switch. Lights that do not turn on when the ignition switch is turned to the second position is one of the surest signs that an ignition switch is bad. A bad starter will not affect the way that the dashboard warning lights come on.
An overheating ignition switch can be a big problem in cars, especially older models. The wires that connect the ignition switch to the controls of the car can become warped and can begin to put out too much energy. If the ignition switch is hot, these wires are probably overreacting and are arching in a way that does not let them connect. A car that has an overheating ignition switch should always be taken to a professional due to the risk of electrical fire in the dashboard.Learn more about Car Parts & Maintenance
To troubleshoot an ignition switch in a vehicle, first open the fuse panel under the steering wheel column, and find and remove the fuse for the ignition starter by using the diagram on the fuse panel cover. Use the fuse puller inside of the fuse box. Check whether the metal strip in the fuse is broken or damaged. If it is, replace the fuse with a new fuse that has the same amperage.Full Answer >
To reset the airbag light, switch on the ignition of the vehicle, allow the light of the airbag to get illuminated and automatically switch off, and then turn off the ignition. After waiting for a brief period, switch on the engine of the vehicle, and observe if the airbag light switches on and then remains switched off.Full Answer >
To read a remote start wiring diagram, start with the red vehicle battery wire that, along with the green or yellow ignition wire and gray or black engine starter wire, connects to the ignition switch harness. The red or black car key sense wire hooks into the steering column harness, while the black or orange tachometer wire inserts at the ignition coil. The yellow or red speed sense wire inserts into the firewall's hydraulic unit on the vehicle's driver's side.Full Answer >
To adjust a throttle position sensor, turn the ignition switch off and on, connect the multimeter to the vehicle and rotate the sensor until it reaches the appropriate voltage. Instructions vary based on the make and model of the vehicle, so refer to the owner's manual for exact instructions.Full Answer >