Test QD: Step 4
4) WIGGLE TEST VPWR Circuit With KOEO, connect DVOM to Self-Test connector. Deactivate Self-Test. Using Continuous Monitor Mode, perform WIGGLE TEST on EEC-IV harness from ECA to EEC Power Relay. If a fault is indicated or a Code 71 is displayed, repair intermittent in VPWR circuit. If no fault is indicated, inspect harness connections and pins. Repair as necessary. If harness is okay, replace EEC Power Relay and rerun QUICK TEST.