Wiggle Test

The wiggle test is designed to help identify and locate intermittent failures in the vehicle wiring harness and system components. Upon entering wiggle test, several inputs and outputs of the module are monitored for change of state. When a state change is encountered, an audible tone can be heard and/or a diagnostic trouble code (DTC) will be displayed on the New Generation Star (NGS) tester 007-00500. For modules which store DTCs, the DTC description will determine an open circuit, short to ground or a short to B+. By initiating wiggle test and pulling on different areas of the vehicle harness, intermittent open and short circuits can be located and serviced.

1. Perform New Generation Star Tester Hookup and Vehicle Selection. Refer to New Generation Star Tester Useage.

NOTE: The ignition switch must be in RUN position or test will fail.

2. Rotate dial to menu item "Diagnostic Data Link" and press trigger.
3. Select module to test by rotating dial to highlight module and press trigger.
4. Menu item "Diagnostic Test Modes" is highlighted. Press trigger.
5. Rotate dial to highlight menu item "Wiggle Test." Press trigger, then press start (Button 3).