KOOBOOK 1Pcs Efficient Accurate Car Signal Simulators Multi-Functional Diagnostic Tool for Fault Detection and Adjustable Voltage Testing Easy-to-Use Automotive Tester for Emission Diagnosis sold2026 Easy Installation Includes 2 Lead

Easy Installation Includes 2 Lead Wires for Power and comes with nuts and screws to hold it in place directly

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The RS232 signal is transmitted over the network cable

Easy installation: Identical mounting point with factory mirrors for Chevy Silverado/GMC Sierra

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KOOBOOK 1Pcs Efficient Accurate Car Signal Simulators Multi-Functional Diagnostic Tool for Fault Detection and Adjustable Voltage Testing Easy-to-Use Automotive Tester for Emission Diagnosis sold2026 Easy Installation Includes 2 LeadKOOBOOK 1Pcs Efficient Accurate Car Signal Simulators Multi Functional Diagnostic Tool for Fault Detection and Adjustable Voltage Testing Easy to Use Automotive Tester for Emission Diagnosis Usage Tips: 1. The instrument requires an external 12V 24V power supply to operate. 2. It's necessary to disconnect the original vehicle oxygen sensor signal line; otherwise, the signal from the original oxygen sensor and the S03 simulator will interfere with each