1. In 40-50 words explain why it is important to wear a wrist strap grounded to a conductive table mat before making test connections on an electronic control unit? 2. Before disconnecting the battery in vehicles with electrical faults explain in 15-20 words what steps must be carried out first and why? 3. List 2 important parts of knowledge needed to accurately diagnose faults in a vehicle electrical system. a. .................................................................................................................................... b