WebAug 25, 2014 · Remove the cable from the Negative battery terminal Hook one end of your test light to the Negative battery post Attach the other end to the cable you just removed Again, double check connections to recent installations (radio, GPS, etc) If it lights up very faintly, this is likely the normal drain of the clock. WebJul 5, 2024 · Measuring current to find a parasitic drain and see what’s killing the battery As state previously, the main application of a current measurement is to determine the magnitude and source of a parasitic …
How to use a Multimeter to Test a Car Battery Test …
WebHow to test if there is a parasitic draw in your car? Things you’ll need A multimeter with amp scale up to 10 amps Clamps with wires Fuse picking tool Follow the following steps Step 1 Check your battery, let it charge till its fully charged and then start your test. You should check that your car is not using the charge at any point. WebSep 2, 2024 · If an excessive current draw is detected at a battery cable on a modern vehicle the combination of DVOM and LCP greatly reduces the potential for a circuit to be … gutzman photography janesville wi
Tech Tip: Volkswagen Diagnosis for Excessive Static Current Draw
WebFeb 17, 2009 · 12,943 Posts. #5 · Feb 17, 2009. The battery has a capacity rating in ampere-hours. You divide this by the current draw, and you get the number of hours that the battery will support the draw if it is fully charged and in new condition. If the battery goes dead sooner, then it has deteriorated with time. If your battery has been sitting around ... WebMay 14, 2013 · Get a current draw clamp. 1) open doors, hood & trunk 2) trip all latches and door contacts 3) remove fuse boxes enough to place amp clamp around main power to each box 4) keep narrowing the draw down from there You may need to have it connected to an SDS to see if any control modules are being kept awake on CAN dadette123 Premium … WebMar 17, 2024 · Checking for a battery drain with a multimeter is simple. 1. Remove the negative car battery cable. 2. Check and draw across the negative cable and battery post. … gutzman customs waxahachie tx