Auto Electrical Device Not Working? Why It Could Be a Relay – and What to Do
Auto electrical problems can be very difficult to diagnose. Yet it's important to approach any process of discovery in a logical way and look for the more obvious reasons first before assuming the worst. So, if something electrical on your vehicle appears to be at fault, where should you start? Circuit Protection The average vehicle has a number of independent electrical circuits in much the same way as the family home.