Is the battery on my Cadillac being drained?
Battery being drained Again! – General Cadillac Forums – CaddyInfo Cadillac Forum Battery being drained Again! Battery being drained Again! The battery is being drained even though the car is turned off. I had this problem before and while I had a lot of help diagnosing the problem, it stopped before I could find the problem.
How to drain a battery on a GMC Truck?
With key off, unhook your positive battery terminal. Put one multimeter lead on the battery terminal and the other on the positive cable. You’re basically making the multimeter part of the circuit. Set the meter to read amps. Now, since its being drained I assume you’ll see some kind of amperage draw.
What should I do if my car battery is draining?
If you can’t find the cause of the battery drain, a manual draw check of the electrical system will need to be performed. With the ignition key in the off position and the doors closed (driver’s side window down) disconnect the battery cable on the negative side.
How long does a Chevy siverado battery drain?
From buying research to owner support, join 1.5 MILLION GM Truck Enthusiasts every month who use GM-Trucks.com as a daily part of their ownership experience. My 1994 Chevy Siverado has a slow parasidic drain. If I leave the battery connected it will drain in 3 to 4 days. The multifuntion switch is giving me problems too.
Why is my GMC Sierra battery draining while driving?
If it is draining while your Sierra is off, it’s usually caused by something that is drawing current that shouldn’t be. If the battery is draining while you’re driving, that is probably going to be the alternator or battery. There are other situations as well.
How much does a GMC truck battery drain?
The parasitic current drain should not exceed this number. Example: If a battery has a reserve capacity of 100 minutes, (60 A/H) the current drain should not exceed 25 mA . Using the MIN/MAX function of the digital multimeter, monitor the parasitic drain overnight or during the day.
What to do if your DVOM battery drains?
Remove the negative battery cable from the battery and attach a jumper from the negative battery post to the positive lead of the DVOM meter set to Amps. Next attach a jumper from the negative meter lead to the battery cable.
Where is the battery negative on a GMC Truck?
Install the battery negative cable to the female end of the J 38758. Turn the J 38758 knob to the ON position. Road test the vehicle and activate ALL of the accessories, including the radio and air conditioning.