Autool BT160 User Manual - Page 9

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NOTE: DO NOT operate it in area with combustible gas,

dust and explosive conditions. NOT allowed to use it with AC

and over 24V DC circuit.

8.Short Circuit Following and Locating

In most cases short circuit or instant overload of component

will lead to blown fuse or circuit breaker tripping. This tester can

search and locate the problem.

★ Unroll the leads.

★ Connect red clip to positive terminal of vehicle's battery.

★ Connect black clip to negative terminal of vehicle's

battery.

★ Press button to "-" side , the LED should light RED , and

positive voltage is supplied.

★ Remove the blown fuse from the fuse box and begin

tracking from two terminals of the fuse socket. Use probe tip

quickly contact wire. If LED lights GREEN with buzzer, short

circuit or overloading component appears in this side. Please

note this wire's color or identification code. Follow the wire as far

as you can along the wiring harness. Locate the color-coded wire

in the harness and expose it. Cut the wire. Follow the wire in the

shorted direction and repeat this process until the short is

located. If there are components in the following wire, check the

components individually if good or not.

NOTE: DO NOT operate it in area with combustible gas,

dust and explosive conditions. NOT allowed to use it with AC

and over 24V DC circuit.