Is your car acting weird? It could be a bad relay! This handy car relay tester makes diagnosing electrical issues a breeze. #fyp #mechanic #cars #automotive #diy #repair #tools #howto ** **In the video, you can show a quick clip of how the tester works. Briefly explain what relays do in a car and how a bad relay can cause problems. Here are some additional tips for your TikTok: * Use a catchy song or sound effect. * Keep your video short and to the point. * Add text overlay to explain what you're doing. * End with a call to action, such as asking viewers to follow you for more car care tips. #ttsacl