Can a shop test for excess drain on a battery?

Can a shop test for excess drain on a battery?

Any shop can test for excess drain (called “parasitic drain”) pretty cheaply, and once you know you have it you’ll have actual written data to use against the dealer and/or any other corporate “reprehensitive” (made that up) that you come across. If you DON’t have a parasitic drain, you’ll want to have the charging system tested.

Why do I have a drain in my car?

Reason 3: Other common culprits. Other culprits for parasitic draw that require inspection include aftermarket alarms and stereos. Bad or shoddy wiring can create a drain that would require a mechanic’s inspection as well.

How can I find out if my car battery is draining?

Start by connecting a digital multimeter to the negative battery terminal of your vehicle. Then, remove the fuses one at a time while watching for changes in the multimeter’s reading. Once the reading drops, you’ve found the culprit and can take steps to repair it.

How to check for parasitic battery drain in a car?

Attach a multimeter (set the dial on the multimeter to measure Amps as per multimeters instructions) between the negative cable and the negative battery post. Wait a few seconds to several minutes for the car to go into sleep mode — i.e. when you make the contact with the ammeter, the car’s computer systems “wake up.”.

Why do you need to check the drain holes in your car doors?

January 3, 2016. Share. Why do you need to check the drain holes in your car doors? Because water can get past window seals and inside the doors when it rains or when you wash your car, and the water is supposed to exit through drain holes at the bottom.

When does a car battery start to drain?

If the battery drains when the vehicle sits for three or four days, that’s a lower amp draw than one that drains the battery overnight. Discovering the source of an electrical draw is a process of elimination. First, check the easy stuff.

Where can I buy form a drain solutions?

DEALERS SUPPLY CO. 163 CENTER ST. DODGE CONCRETE INC. HATCH BUILDING SUPPLY CO. 830 33RD AVE. SW ICF SALES LLC. JOHNNYS WHOLESALE INC.

Where is the parasitic drain on a Toyota Corolla?

Most vehicles have more than one fuse panel. This one, on a Toyota Corolla, is located under the dash on the driver’s side. After pulling each fuse, observe the multimeter display to see if the amps drop. The fuse that reduces the amps is where the parasitic draw is located.