Why does my Ford Explorer battery keep draining?

Side note the only way to open the door now is a quick snap motion or if getting out give it a good smack. The window works great but the radio still requires manual shut off. Eventually after 10 or 15 minutes with no key in the radio will turn itself off. Last week I just started needing a jump every damned day when I left work.

What is the current draw on a Ford Explorer battery?

I disconnected the ground from the battery and hooked up an ammeter between the ground cable and ground post and read a current draw of about 0.6A. After pulling fuses I narrowed down the draw to two circuits. Fuse #15 in the power distribution box is worth about 0.5A, and fuse #3 in the passenger compartment fuse panel is worth about 0.1A.

What’s the problem with my key off battery?

Question for RON. PROBLEM – I have a key-off battery drain problem that runs down the battery. Takes 1-2 days to drain the battery with the key off, so the truck won’t start. WHAT I’VE DONE ABOUT IT – First, I installed a knife switch on the positive terminal of the battery.

How can I find out if my Ford battery is dead?

Here’s a test to use with a Ford vehicle. If you’ve suffered a dead battery and both the battery and charging systems check out, it’s time to perform a parasitic drain test. The test involves hooking an ammeter in series with the negative battery cable to measure the amperage draw. Professional technicians use a clamp on ammeter.

Why is my Ford Explorer battery draining while driving?

If it is draining while your Explorer 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. We’ll cover those for you below.

How long does it take to drain a battery with the key off?

Takes 1-2 days to drain the battery with the key off, so the truck won’t start. WHAT I’VE DONE ABOUT IT – First, I installed a knife switch on the positive terminal of the battery.

What should I do if my car battery is draining?

With a multimeter connected across the open knife switch, I pulled every fuse under the hood and inside the cab, one-by-one, until I found which circuit was draining the battery. The draining circuit was FUSE #14, 15A, “Battery Saver Relay, Interior Lamp Relay”.

Where can I buy an alternator for my Ford Explorer?

Most parts stores can test an alternator for you. They usually don’t charge anything for this service, they just want to sell you an alternator if you need it. If your Explorer’s battery is draining after being parked for a few days, here are two possible scenarios.

Why did I replace the battery in my Honda Accord?

Had a dead battery about a week ago, so I replaced the battery because it was 4 years old and at the same time had the alternator checked to make sure it was in good shape (which it was). Two days later, the new battery was dead.

What happens if you replace the battery in your car?

This can cause something minor, like the clock to lose its time, but it can also lead to engine stalling or even a failed smog inspection. In order to avoid this issue, it has become more and more critical that power is supplied to the electrical system while the battery is disconnected, for any reason, including replacement.

Why is my starter not working on my Ford Explorer?

Inspect the feed and return lines and see if any are touching a hot engine part. Sometimes, the starter motor will operate but the engine will not turn. The problem might be in the starter motor itself. The most common problem is a worn or broken starter pinion or drive plate. Remove the motor for inspection.

How can I troubleshoot my Ford Explorer engine?

Using a voltmeter, check for battery power. Make sure fuel is reaching the injections and the fuel filter is not clogged. Also, check the condition and gap of the spark plugs–clean and recalibrate the plugs if necessary. Then troubleshoot the engine coolant temperature sensor and engine control system.

Why does my Ford Explorer not accelerate when the RPM goes up?

Here are the most common cause of acceleration with the RPM’s going up: 1. Transmission Fluid Low If your Explorer is too low on transmission fluid, it’ll will no longer be able to transfer power to the rear wheels. The power goes to the torque converter, and that’s the end of the line. You should check the transmission fluid immediately.

What should I do if my Ford Explorer battery is draining?

You’ll want to take a look at your Explorer’s battery posts where they bolt to the battery. If there is a lot of corrosion here, you’re going to want to clean that off with a wire brush. There are also specific battery post cleaners that you can buy. They are usually less than 10 bucks at the local parts store or Wal-Mart.

What is fuse # 3 on Ford Explorer?

Fuse #3 is labeled as Radio / DVD / Amplifier. I do have an aftermarket radio, so I disconnected it and the 0.1A draw is still present. The car came equipped with the factory subwoofer, but I have not removed the panel to check and see it that is causing the draw since I want to find the large draw first.

What should the ammeter read on a Ford Explorer?

After pulling fuses I narrowed down the draw to two circuits. Fuse #15 in the power distribution box is worth about 0.5A, and fuse #3 in the passenger compartment fuse panel is worth about 0.1A. If both are out, the ammeter reads between 0.005A and 0.010A, which I think is reasonable.

What should I do if my Ford Explorer stops running?

The fix to this can be very very expensive, however, a quick fix is to turn the overdrive off in order to operate the cruise control and the truck will not shut off. I will post updates once my truck is evaluated by my mechanic for the wire that connects to the battery that maybe rubbed to the core.

What does the theft light flashing on a Ford Explorer do?

The THEFT light flashing is a passive system that shuts off the fuel pump (cranks but won’t start or starts and dies). Does your key have a chip in it? You might try another (chipped) key if it does. You may need to hook up scan tool to see what is going on with the theft deterrent system.

What do the Red wires on a Ford Explorer mean?

If you start at the battery + terminal it has 2 red wires coming out of it. They are both usually red and about the same thickness. One of them goes into a long black rectangle clip that says fusable Link or something like that.

Why does my Ford Explorer stall at red lights?

18 people found this helpful. just tried the fuel relay. instead of spending approximately $20 in a new one, I switched the A/c relay with the Fuel relay to test it. so far, my truck is not stalling when I stop at a red light. since my truck is only shutting off on me once a week, I am going to keep it like this for about three weeks.

Why does my Ford Explorer battery keep draining?