Interface connector between a 12V DC power source and vehicle's OBD II interface. If the power source from another car, then check whether the car's Cigarette Lighter on good condition or not. If the power source is from an alternative 12V Lead-acid battery, then check whether the polarity correct or not.
Interface connector between a 12V DC power source and vehicle's OBD II interface. If the power source from another car, then check whether the car's Cigarette Lighter on good condition or not. If the power source is from an alternative 12V Lead-acid battery, then check whether the polarity correct or not.
Interface connector between a 12V DC power source and vehicle's OBD II interface. If the power source from another car, then check whether the car's Cigarette Lighter on good condition or not. If the power source is from an alternative 12V Lead-acid battery, then check whether the polarity correct or not.