Safety Precautions and Warnings Table of Contents To prevent personal injury or damage to vehicles and/or the test tool, read this instruction manual first and observe the following safety precautions at a minimum whenever working 1. SAFETY PRECAUTIONS AND WARNINGS............2 on a vehicle: 2.
⑦ Mode Button – Selects the work mode: AC voltage, DC voltage, resistance, tone. Quick Self-Test ⑧ Speaker – When the audio tone is turned on, a beep will be heard. Before you test a circuit or component, be sure your tool is in good order by doing a quick self-test.
Test Applications DC voltage AC voltage While the tool in this mode, contact the While the tool in this mode, contact the Voltage & Polarity Testing probe tip to a circuit, then the LCD display probe tip to a circuit, then the LCD display will read the DC voltage with a resolution will read the Max.
• Testing Trailer Lights and Connections Set the tool in AC Voltage mode, using the probe tip with chassis ground or the auxiliary ground lead. While the tool in DC Voltage mode, clip the • Connect vacuum pump to MAP sensor. auxiliary ground lead to the trailer ground, •...
Here is an example for this application. Activating Components w/Ground • If you are following a short in the brake light circuit, you may know that the wire must pass While the tool in DC Voltage mode, contact the through the wiring harness at the door sill. Locate the color-coded wire in the harness and probe tip to the negative terminal of the expose it.
The tool LED and LCD pull no more than 1 milliamp of current, therefore when using it as a AUTOOL warrants to its customers that this product will be free from all defects in materials test light or multimeter it is computer and airbag safe. However, pressing the power switch is and workmanship for a period of one (1) year from the date of the original purchase, subject a different story.
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