What happens when a fuse blows on an ignition switch?
Insert a new fuse into the holder and turn the key to the run position. Turn the key off and pull out the fuse to see if it blew. If the fuse blows. When you turn the key to the run position, an internal ignition switch contact sends current from the B terminal on the ignition switch to the A1 terminal to energize the blue wire.
What should I do if my ignition key won’t turn?
Average rating from 41 customers who received a Ignition key does not turn Inspection. It can be frustrating when you insert your key into your car’s ignition and it refuses to turn. Your mind races with all the possibilities of what could be going wrong, but luckily, most ignition key issues are not only common, but also quick to fix.
How to check fuse on riding lawn mower?
The first section of wiring and components to check is the wiring through the ignition switch. 1. Turn off the ignition key to isolate this section. 2. Set your multimeter to measure DC voltage and insert one meter probe in one side of the fuse holder and the other probe in the opposite side of the fuse holder. 3. Check the voltage reading.
How is the blue wire connected to the ignition switch?
When you turn the key to the run position, an internal ignition switch contact sends current from the B terminal on the ignition switch to the A1 terminal to energize the blue wire. So if the fuse blew with the ignition key in the run position, the short is in the ignition switch, the blue wire or a wire harness connected to the blue wire.
What causes the fuse to fail when I turn the key to the start?
If the WHITE wire coming off terminal “S” is shorted anywhere between the ignition switch and the clutch/brake switch and the attachment clutch and solenoid it will cause the fuse to open/fail or if “clutch/brake switch or “attachment switch is shorted it will cause the fuse to fail/open whenever the key is turned to the start position.
What should I do if my fuse blew?
If you didn’t measure voltage through the fuse holder with the key turned off, pull the meter probes out of the fuse holder. Insert a new fuse into the holder and turn the key to the run position. Turn the key off and pull out the fuse to see if it blew. If the fuse blows.
What to do when your lawn mower fuse is blown?
If the multimeter still measures voltage after you unplug the ignition switch, the short is in the red wire circuit between the fuse holder and the ignition switch plug. Find and repair damage to the red wire. If you didn’t measure voltage through the fuse holder with the key turned off, pull the meter probes out of the fuse holder.