pared for a long diagnostic journey when diagnosing an intermittent battery drain. Diagnosing a battery current drain requires time and patience. Chances are that you'll have to sit out the seventyfive-minute wait period more than once, and attempting to take shortcuts can only lead to a misdiagnosis. A diligent technician, a patient customer, and the right tools and equipment should produce an accurate diagnosis. ROY " DENNIS " RIPPLE is a technical contributor to Motor Age/PTEN. He is the son of Roy Ripple Sr., who passed away in September 2021 at p Figure 3 - We had a 129 mA current draw narrowed down to two harnesses. We found the right one using the inductive ammeter. the age of 84. Ripple Sr. was a technician his entire life and ran his own shop before venturing into automotive journalism with Motor Age magazine. In his youth, he was an avid drag racer and a good friend of Don Garlits. He raised four children, rode motorcycles, hunted deer, and loved to shoot trap. Now, Roy Dennis Ripple is carrying on his father's legacy. FIRST TO MARKET Clamp Probe Set Cat. No. 21200 Originally designed to allow a lone technician to test for voltage drop on top battery posts; its handsfree operation is a useful diagnostic tool when a third hand is needed. * Works with standard 4mm banana plugs op on op b * * Probe swivels and adjusts in height to test where you need it * Works great for testing recessed connections * Clamp tips for added grip * Works great for testing recessed connections Clamp tips for added grip Available individually as the 21215 (black) and 21216 (red) ailable ndi idually as the 1215 (bl ) and 212 6 ( d) * Available individually as the 21215 (black) and 21216 (red) * Clamp tips for added grip Circle 22 on card or click " PTEN e-inquiry " on VehicleServicePros.com 2212PTEN_S&G.indd 1 www.VehicleServicePros.com DECEMBER 2022 PROFESSIONAL TOOL & EQUIPMENT NEWS 15 11/11/22 3:10 PM * Probe swivels and adjusts in height to test where you need it Works great for testing recessed connections * Probe swivels and adjusts in height to test where you need it y p ; i s hand op ion s a u ulhttp://www.toolaid.com http://www.VehicleServicePros.com http://www.VehicleServicePros.com