Why is the battery light on in my Ford PowerStroke?

Battery to engine, battery to chassis and engine to chassis. It could be a flaky alternator, but it sounds more like bad connections or bad batteries. Well I might not be in the right place with this discussion.

What to do when your battery light comes on while driving?

If the battery light comes on while the engine is running and the vehicle is being driven, this indicates a problem with the charging system. Step 1: Turn off everything that draws power.

What to do if your Ford dashboard light comes on?

Make an appointment with your local dealer as soon as possible. Charging System: If you’re driving while this light comes on, switch off all unnecessary electrical equipment that you may have running and get your vehicle checked by an authorized mechanic immediately.

When does the battery warning light come on?

May 25, 2016. The battery light or charging warning light, available on the dashboard of your car, indicates malfunctioning or poor charging of the battery. This light illuminates whenever the charging system does not charge the battery with a voltage above approximately 13.5 volts.

Why is the battery light on in my Ford truck?

When running at the back to the alternator cold and running getting 13.5 – 13.8. Battery light on. Drive a while stop the truck turn it off etc. Turn the truck back on then getting 12.5V won’t go above that and the battery light remains on. The next day very same thing.

When does the battery light come on on a diesel?

The battery light does not come on immediately. So voltage at battery not running 12.5 Turn key to on. Glowplugs on voltage at 12.0. Turn to start voltage drops to 11.8 and engine starts just fine. After 30 seconds battery light comes on and voltage is only 13.0.

What should battery voltage be on Ford Transit Connect?

Specifically, you’ll need to set it to 20V DC. With your Transit Connect turned off, you’ll connect the negative side of the meter to the negative battery post or wire. Touch the positive side of the voltmeter to the positive battery wire. With the engine off, you should get a reading somewhere between 12.0 volts and 12.6 volts.

What kind of battery does a Ford PowerStroke have?

My multimeter reads 13.5v on both batteries with the truck off, 12.5v on. Replaced the alternator, still same results. What else can I check to get this stupid light off???

What causes a battery warning light on the dashboard?

See how you can fix the battery warning light on dashboard with this five problem that you can look at. While the battery light might seem like there is a battery problem, but in fact there could be other numerous issue causing the battery light to activate. To see what is really wrong with the car see this video for things you can check.

Are there any problems with a 7.3 liter diesel engine?

The legendary 7.3 Power Stroke Diesel engine, when properly maintained can provide years of trouble free service. However there are several common problems that can develop over time. Generally speaking these can all be resolved relatively easily. Listed below are 9 common problems of the 7.3 Liter Power Stroke Diesel engine.

What causes a 13.5v battery light when the engine is running?

A static 6 cell 12v battery (like we all have) shouldn’t be capable of producing 13.5v… If you’re seeing 13.5 with the engine running and 12.5 OFF, that makes sense and actually shows the alternator is doing something …

What causes a battery light to go out in a Ford truck?

FOUND IT! I had checked Fuse #6 under the hood which was suppose to be for the alternator and it was fine, but I never checked #7 (secondary alternator) because my truck isnt equipped with the secondary alternator. However I pulled #7 today (5 amp) and it was blown. Replaced it and the light went out.

Why is my battery light flickering on and off?

(Flickering lights, dead/low batteries, etc.) If you’re sure the batteries are OK, and you’ve changed the alt already, I’d be giving All the connections and related wiring a real good look next (especially the alt plug) for signs of corrosion. FOUND IT!

Can a bad battery cause an alternator to over charge?

Make sure that all the connections to the alternator, remote voltage regulator (if applicable) and battery are clean, tight and in good condition. Check your battery or have it tested at your local auto parts store. A bad battery cell can cause the alternator to over-charge the good battery cells.

Why is the battery light on but charger is off?

The battery light is on but the voltmeter says 13.5 to 14.5 volts depending on the engine revs. When engine is off the volts drop to about 12. My mechanic says that the alternator must be charging – but why is the light on? Assuming that the voltmeter is correct and reads 13.5v to 14.5v, what could be the problem?

What kind of alternator does a Ford PowerStroke use?

Alternator replaced with a brand new Motorcraft 135 amp output from Ford.All terminals and cables look good and connections are clean as a whistle. Any suggestions y’all.

As I pulled away from an intersection at 3/4 throttle, I hit ~3800 rpms and just as the truck was shifting into 3rd gear my battery light came on and stayed on. I looked down at my ScanGaugeII and it was showing 11.8v.

Why is the battery light still on after a new alternator?

So, now truck has new alternator and battery BUT battery light is still staying on. I had them check both and they said, new battery and alt showing good. I know all of the connections are tight and I checked the fuses inside the truck and all are good.

What should voltage be on Ford PowerStroke alternator?

Awesome. Pulled over on the side of the road to make sure no connections had come loose and everything looked okay and I drove home (3 miles). Got home and checked the voltage on the alternator (red lead to threaded stud on back of alternator, black to grounding point on the fender) and it was reading 12v or less.

My multimeter reads 13.5v on both batteries with the truck off, 12.5v on. Replaced the alternator, still same results. What else can I check to get this stupid light off???

What should I do if my Battery Light is on?

Battery light on. Drive a while stop the truck turn it off etc. Turn the truck back on then getting 12.5V won’t go above that and the battery light remains on. The next day very same thing. Voltage is at 13.5 with battery light on drive and do what i need to get to where I’m going, shut the truck off then get back in and turn it on 12.3- 12.5V max.

Why does my Ford 6.0 shut off while driving?

So on my 6.0 I did the EGR delete, sinister oil cooler upgrade, changed all the fuel filters, oil and oil filters, changed any glow plugs that were bad. It kept throwing a code and after reading and talking with some of the ford mechanics I decided to change the IPR.

What causes a battery light to come on?

I have the same issue, New batteries, new alternator, new 2 wire pigtail, and fuses are good. battery light in dash stays on. I have hooked up mutimeter to all electrical components individual and there reading are within spec. battery light came on when my original alt. was failing and it has been on since changing all issues.

Why is the battery light on on my Ford F350?

If your F350’s battery light came on while you were driving, but before you parked, it could be the alternator. If you didn’t see a battery light, and now the vehicle is dead when you go to start it, the first thing that you need to look at is the battery. You can take it up to the local parts store and have it tested.

Why does my Ford PowerStroke battery not charge?

It was a fuse in fuse box under the hood. That caused the battery system to not charge. Someone before I owned the truck put a 5 Amp fuse instead of the 10 fuse that was required. All the fuses were checked under the hood several weeks ago and they were all OK.

Why does my Ford PowerStroke have a red battery light?

All the fuses were checked under the hood several weeks ago and they were all OK. What caused the fuse to blew, only suspect was when one of the high pressure oil lines blew must have shorted something out in the charging system.The was oil everywhere. So now I got two new heavy duty commercial grade Interstate batteries and a new alternator.

Why is my alternator not charging on my new car?

The alt was not the problem. Changed the power wire to a 6 awg wire high strand count ran it straight to the batt. Replaced the 2 wire connector that talks to the computer. Now low side is 14.2 volts high side is 14.6 volts. Very happy with the new alt.

Why does the battery light come on after the alternator is replaced?

This would make the Battery Light come on. It is also possible that there is a problem with the fusible link or the alternator fuse for the charging system.

Why does the battery light come on and off?

Last week while driving, for about 3 seconds the battery light flickered on and then off. The voltmeter jumped up and down between high and low. Two days ago, the battery light appeared again and this time it stayed on. The meter kept low and then started dropping lower and lower.

After about 2 hours, came in shaking his head. Said both batteries tested good, as did both alternators. Good voltage out of the alts, and good voltage into the batts. Tested the big fuse block on the firewall, stated that was good as well.

How many miles does a Ford F-250 PSD have?

Mechanic shop has no clue. Truck has 102453 miles its a 2006 Ford F-250 PSD 6.0l. just started doing that about 3 weeks ago. truck was dead a few times as well and had to jump it with the wife Yukon. So figured new batteries and an alternator.

Alternator replaced with a brand new Motorcraft 135 amp output from Ford.All terminals and cables look good and connections are clean as a whistle. Any suggestions y’all.

Why does the battery warning light stay on?

The battery warning light is still lite up when the ignition switch is turned on. The batteries drain when the truck sits. has to be charged up or jumped to start it. Take the alternator to a alternator shop have them test it.

Why are the dash lights not working on my car?

All relays and battery are fine. Dash lights work when headlights are on. I’m thinking its some kind of electrical problem. I got it to start one time with the remote start. After that, nothing. I’ve tried jump box to be sure I have power. All electronic systems work except the dash lights, and ignition.

What causes no ignition, or dash lights when turning key?

Q: I have no ignition, or dash lights when turning key. All relays and battery are fine. Dash lights work when headlights are on. I’m thinking its some kind of electrical problem. I got it to start one time with the remote start. After that, nothing. I’ve tried jump box to be sure I have power.

Why does the battery light not turn on?

It’s either in the dash or the wiring. I guessing that after the hi pressure oil line blew the oil somehow got into the wiring harness and is shorting out the battery indicator light/symbol on the dash. have you checked the harness on the alt, that tells it to turn on and sends a signal to the ecu.

Why is the battery light on in my Ford PowerStroke?