FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Non-Trouble Code Procedures

How to Troubleshoot Circuits at the ECM
Special Tools Required
Backprobe set 07SAZ-001000A (2 required)

1. Remove the cover from the ECM.
2. Connect the backprobe adapters (A) to the stacking patch cords (B), and connect the cords to a digital multimeter (C).





3. Using the wire insulation as a guide for the contoured tip of the backprobe adapter, gently slide the tip into the connector from the wire side until it touches the end of the wire terminal.