Tell you some home automotive electrical testing tools(2)

We all know that have the right auto detailing tools to help you find the problem can be critical to get the job done.

Keep in mind every mechanic will have their own style and method when it come to finding a problem.

Here I will introduce a kind of light tester to you.

2… 12 Volt Light tester

A 12 volt light tester often called a idiot light is used by many mechanics’s as their main electrical tool.

Since a vehicles electrical system uses 12 volts finding if a wire has voltage is easy with a idiot light. One side is grounded to a negative source and the tip can than probe wires to see if voltage is present.

This makes them a handy cheap quick tool to find if their is voltage on a wire when there should be or hooking up trailer lights.