Alternator problems

Alternator: Device that generates the electric current that charges the battery.
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New battery new alternator

Ford F-150 1999 4.6 king cab  6600000 miles
New battery new alternator. It starts right up with a jump, but as soon as you remove the jumper cables the battery dies. Had the battery checked had the alt checked both good.
Marshell from United States 7 years ago  
MA
6 reports 
Marshell from United States 7 years ago
Ended up taking it to a local garage. They put some computer on it and found a broken wire on the fire wall. Fixed it. Runs great now :)
Comment

No power after alternator hooked up wrong.

Ford F-150 2002 5.4 triton 2007000 miles
Alienator hoked backwards to starter solenoid. No lights or power.
Mickey1975 from United States 3 years ago  
MI
1 reply 
14camry from United States 2 years ago
What was your fix for this
Comment

Shimmy intermitent after alternator replaced

Ford F-150 2006 4 door 8 cylinder  215307 miles
While driving intermittent shimmy like going over rumble strips. Yellow wrench lite is on. This is a 2wheel drive. 2006 F-150. 8 cylinder. I didn't have any trouble until the alternator was replaced. While leaving their parking lot the light came on. I went back and asked what it was they said a routine maintenence is required. So I thought they should know. As I drove 6 and 1/2 hours away, i realized that would not create a shimmy. And now they are closed and of course I will not drive that many miles to go back unless it was the difference of this new fiasco to be fixed for free. I dont have that kind of luck. ANYONE please advise something solid. Thank
Strandes from United States 6 years ago  
ST
1 report 
Strandes from United States 6 years ago
Just wondering if someone else has had this problem.
Comment

Alternator noise

Ford F-150 2005 FX4 115000 miles
5.4 L V8 , high pitched squeal from the alternator , disappears if you accelerate
P .W from Canada 6 years ago  
P.
1 reply 
search and rescue guy from Canada 6 years ago
Perhaps your belt tensioner is weak if a serpentine belt
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I put a new battery alternator in filter on my truck in it wil

Ford F-150 2007 5.4 titans xlt  17634456 miles
It will not start in it have a new battery in a alternator, fuel filter in it well not still not work
Jdig from United States 4 months ago  
JD

Battery and alternator test good but battery dies after short drive

Ford F-150 2018 F150 91000 miles
Battery reads 12.7V not running, 14.7V running with lights on. Most days I have no issues. Occasionally I start it up fine drive 20 or 30 minutes and make a stop. When I get back in the battery is completely dead. I can jump it and then it runs great for several days before doing this again.
Huckleberry from United States a year ago  
HU
3 reports 

Alternator and electric problem

Ford F-150 2017  100000 miles
Missing fuses making loud noise steady getting louder until it just shut off after the radio and lights faded out, coming into my driveway. Ford has replaced the ECM and multiple visits later nothing has been done. Power steering and AC won't stay working even though both are full and there are no leaks. I figured it would be a pulley or tensioner making the gradually louder noise but i pulled on it and it seems okay still so I'm just lost here and tired of throwing money way to a dealership and other mechanics whenever it seems to be something bigger or even more simple cause the problems that are occurring.

Thanks
Lindsey from United States a year ago  
LI
1 report 

Alternator not charging

Ford F-150 2013 truck 138987 miles
Not charging checked power and fuse
R and A from United States 3 years ago  
RA
2 reports 

No power after alternator hooked up wrong.

Ford F-150 2002 5.4 triton 200000 miles
Alternator hooked up to starter solenoid backwards and knocked out all the power.
Mickey1975 from United States 3 years ago  
MI

Whats draining my battery? SolvedSolved

Ford F-150 2002 F150 167000 miles
When my truck sits overnight, something is draining on the battery. When i open the door the dinger goes off and the radio turns on (off whenever i turn vehicle off). Start truck up and bam... No radio sometimes no wipers. It has a brand new battery i installed a month ago. Testing says alternator is fine. Only new in the last year is a fuel pump.
Help!
Ksj1 from United States 3 years ago  
KS
5 reports 
vikrampaul93 from India 3 years ago
Damm even I am having a similar kind of issue, I have searched all over the internet and even have posted on number of threads on different forum, no solution seems to work. I am really frustrated, can anyone of you here help me resolve this issue, I am very much tired now
Pappybeare from United States 3 years ago
I have read that a front windshield leak causes the GEM module to short out if at any time you have things that come on and off without you turning them on. It is a box connected directly on top of the under dash fuse box. It is very hard to get out, and they are hard to find for the older trucks. You either have to buy used or remanufactured, and the model number of your part has to exactly match or all of your options will not work. I’m still trying to get one for mine, but haven’t had any luck. I have looked for a cross reference part #, but haven’t had any luck. Even my call to Ford ended with them telling me to find an electronics repair shop that can refurbish mine. I still haven’t found one that will guarantee the part for more than 30 days, and they want me to send my part to them and then wait for them to make the repair and they will mail it back. The cost is astronomical too! To have mine repaired it was $400, and if I want to take a chance on a junkyard part, I can get one for $150. The junkyard part is only guaranteed with an exchange if the part they send don’t work. I can’t find any information on specs, or any testing methods. I’ve even tried to get nomenclature to find out what the model #digits mean. There is mot much good info on this part. I hope this helps. Make sure you have the windshield resealed before replacing the part if that’s what yours turns out to be.
Action Jackson from United States a year ago
I think that's my problem. When I brought it home. I had break lights and turn signals. Now I have none. Bad arch when putting battery cable on. Positive or negative? What do you think?
Solved
Best answer (according to Ksj1)
Ksj1 from United States 3 years ago
So driving down the road and the solution came to me, in the form of my under dash fuse panel. It caught fire! Got it out with minimal damage. New fuse panel (and a couple short wire repairs), no more issues! Not my preferred way of finding the issue but it is solved and fixed.
Andy from United States 2 years ago
Did you replace the relay ?
Comment

Battery drain issues! SolvedSolved

Ford F-150 2001 crew cab/4.2 150000 miles
Battery draining battery would drain down Neil driving. And after parking for the night. Would have. To. Boost off. Would make Clicking. Sounds in the. Dash. Area light would go dim when driving. Would pull a full Charged battery. Down quickly. Horn has not worked several. Months. ABS light stays on all the time still stays on all! the time after. Replacing alternator. And battery cranks up but dont take no time for lights to dim. Down to. Where you cant see at all it. Drains battery all the way down Alt!ernater done Á volt. Test on the alternator while truck was running. Registered. 11. Volts… Read complete
Ruby from United States 6 years ago  
RU
10 reports 
Solved
Best answer (according to Ruby)
Ruby from United States 6 years ago
Please help. With this. Has been. A headache getting stranded too much have been checking. Wires, and fuses, still got more to check can you have a certain type of computer. To finde out. The direct. Problem whAT Type if possible????
6pak from United States a year ago
In the 2004 ford f150 if you have that problem its the ground screw on the passenger side because they left out sealent around the windshield,water gets down in the passenger side. Take off the panel by the fuse box towards the door and check the ground,its usally russted away. Take and put in a new ground screw or use one already there.
Comment

Unknown buzzer or alarm

Ford F-150 2006 4 door . 5.4 L  136548 miles
When I start my truck and either let it sit an run for alittle bit or get in it an go just a few minutes after a unknown buzzer goes off. It beeps four times stop about 5 sec beeps 4 more times stops beeps four more times an stops it does that about 5 time an will quit. Then a hour or so later if I haven't turn the truck off it will do it again but there is no warning light on the dash on or anything. An I just replaced the alternator not long ago
jrob from United States 8 years ago  
JR
16 reports 
Spike from United States 8 years ago
I have 2008 f150 with the same problems and it drives me crazy
Andy from United States 4 years ago
Did you ever get an answer...
Dale from Canada 4 years ago
I have same issue with my 2008 150
BROWN from Canada 7 years ago
I have the same problem with my 2005 f150 supercrew it makes 20 beeps at a time what is the problem.
James mathias from United States 4 years ago
I have the same problem my 2004F150 but it's the door chime and I can't turn it off its beeping because it thinks the door is opened and it's not
Dale from Canada 4 years ago
Did anyone ever get a reply to this issue ?
Squash! from United States 2 years ago
Damn it! I was amazed that I found this question so quickly, only to realize that it's been here for 6 years and not one single answer.
Annoyed truck owner from United States 2 years ago
Add on one 2005 Flare side 150 to the list of mystery 4 beeps than quit then like 1 minute 3 more slow long beeps than twice more of the cycle than silent for about an hour...
Ours stopped once we filled the tank. But will see if it returns when it gets back down to 1/4 tank.
Squash! from United States 2 years ago
I believe that I found the answer, though I haven't had time to test my theory. The long and short of it is that the truck is telling me that I have a warning light out on the dashboard. I'm too tired to remember what one, but I do have one out, and I hope to replace it this weekend.
Worm from United States a year ago
,it has to do with a passenger airbag warning light on top of the radio. I believe there is a fuse that will stop the alarm if removed.
AGERVATED FORD OWNER from United States a year ago
My uncles 06 f150 has the door ajar alarm on everytime I get into it and then start beeping and the doors closed I don't know what's wrong with it I need answers please it's aggravating and dose it repeatedly
Lisawelch from United States 4 months ago
I have the same issue but my answer is the seat belt alarm
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Won't charge

Ford F-150 1998 Super duty 250000 miles
It won't charge replaced alternator and linjabke fuse still won't charge battery was hooked up backwards
Cliffy from United States 8 years ago  
CL
1 report 
Myrascal from United States 8 years ago
I had the same problem there a fuse up by the battery on the fire wall you will we box's about 3 ins. Long under them there vere small fuse box it has a 20 amp fuse
Sammann from United States a year ago
Are you talking about main power junction on the passenger side under plastic cover ? Are you saying there are some small fusses in there that relate to thealtnator ?
Comment

Battery and Radio issues...

Ford F-150 2012 F150 XLT 6.2L V8 178549 miles
1st my radio just quit one day few months back. Fuses are fine, according to repair shop radio is perfect, wiring perfect. They don't know what happened and I wasn't replacing my radio because I want music for over 900$. Then today(June 2022) my battery indicator light popped on, then five minutes later it popped off. Alternator fine, battery only a year old and reads fine, checked cables connecting battery and all are tight and where they are supposed to be. I cannot figure out why my battery light is popping on. And as far as I can tell while driving I am not losing power. 2012 f150 xlt with almost 200k miles and now everything wants to start going wrong. Any suggestions on what else I should check for battery issues and radio issues since everything seems to be checking out perfect?
Keyley from United States 2 years ago  
KE
11 reports 
Randy from United States 2 years ago
I have a 2015 Ford F150 XL my radio screen is blank but the radio works fine I tried holding the buttons down like it told me to reset the screen but it is not working what can I do
Comment

Fuse blowing

Ford F-150 1999  160000 miles
Had to replace alternator. Stared fine. Then white smoke came out of panel and it stalled. Won't turn over, and fuse #5 keeps blowing. Key in ignition and it doesn't even beep.
Weezer from United States 8 years ago  
WE
3 reports 
Tututriny from Australia 5 years ago
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MariaBolton from India 8 months ago
You are in the wrong place.
bhaiterabhai from United States 4 years ago
Check what devices or lights are on that circuit, as it may be the case that a new amplifier pulls too much power, causing the fuse to blow. The more devices there are on one circuit, the heavier the amp load... Fuses protect both the wiring and the devices in the vehicle
xpaceeieght from United States 3 years ago
A blown fuse may be discolored, cloudy, or have a melted or broken metal piece inside. With the main power still off, unscrew the blown fuse and remove it. It's important to replace the fuse with another of the same size, type, rating, and amperage... Screw the new fuse into the same electrical panel socket
rareskyfive from India 3 years ago
There are two conditions that can cause a fuse to blow. First, and most commonly, when too many lights or plug-in appliances draw power from the circuit, it can overload the capacity of the fuse and cause the metal ribbon inside the fuse to melt through
Comment

It has 3 fuse boxes under the hood! I can't get it to charge

Ford F-150 1998 4.6 Lariat 242750 miles
My truck stopped charging! Alternator,ignition box all new! Your site,doesn't acknowledge 3 fuse boxes under the hood,but I know how to count ! I'm trying to diagnose all rhe relays and fuses! Please help me out!
1
Randy from United States 8 months ago  
RA
1 report 
Randy from United States 8 months ago
My truck charges enough to continually run, when I remove the + cable from battery, and will run & start during the day!
I can't drive at night, using head-lights, doesn't keep up, socks battery down!
I'd that trigger-wire suppose to show "Random" numbers, for instants, I'll check it and it's showing 12.5, check it again, and it'll be something really different, like 1.6!
Comment

Won’t crank

Ford F-150 2014 F150 platinum 4*4 3.5l ecoboost  150000 miles
I just replaced the alternator and all electrical works but truck just clicks when I try to start it
James Byrd from United States 2 years ago  
JA
2 reports 
Shepeta from United States 2 years ago
Just started having same problem. We’re you able to find solution
Tracy Burton from United States 2 years ago
No have no power to the starter
Comment

Wont start with jump off

Ford F-150 2004 5.4 triton 285000 miles
Truck started fine all day, went to start battery seems dead. Try to jump off, still battery won't start truck. It's a brand new battery and brand new alternator. Starter is only a year old. All the lights come on, power to everything but truck just drags when turn key. Why will battery not start truck even while being jumped off
[email protected] from United States 9 months ago  
MO
2 reports 
Holyjuan51 from United States 9 months ago
I'm check fuel system
Comment

Won't start or stay running

Ford F-150 1999 F150 198000 miles
The first time the truck would just die on me. A jump would fix it. Then it happened again autozone said it was a battery. Put a new battery in. Died again. This time the dashboard went crazy. Autozone said alternator bought a new one. 3 days later does it again but would not hold a charge. Unhooked radio truck ran for 3 or4 days I turned the heater on and the dashboard went crazy, truck died. Held a charge about for about 300ft and died. We put it on a charger all night long. Will not start butbmakes a tic ticing noise for about 10sec stops and starts again. Please help. Checked the fuses.
Clyde from United States 3 years ago  
CL
1 reply 
netdrummer from United States a year ago
Sounds like the computer is shot
Comment

Electricals faultysensors

Ford F-150 2006 Crew cab 150000 miles
Truck is running in the normal heat range. After about 20 min. The temp gauge will spike into the red. I can open the cap on the coolant jug and. It is not hot. I cycle the key and it runs and the gauge is in the normal range and runs there for twenty min. Ichecked with an o. B. D. Reader the code is p1299. Says temp sensor. Ichanged the sensor which is located in the intake behind the alternator no change. Any idea where to check next.
Fred from Canada 7 years ago  
FR
12 reports 
Will from United States 7 months ago
My truck is doing the same thing but it starts reading numbers above gauge and it jump around constantly from 230 to 232 to 237 then back to 231. Any Idea what to do next? I have replaced just about everything but still no luck.
Comment

shifting hard

Ford F-150 1997  20000 miles
my truck has no shifting problems then put in a new alternator and not it shifting hard and engine bacfire
truckchick from United States 2 months ago  
TR

Connected negative on battery to positive terminal

Ford F-150 2006 King ranch 163390 miles
I connected the battery from a Nissan titan to my ford f-150 king ranch. The alarm came on n the wires going from the battery to alternator started to smoke I quickly disconnected it. Then connected it correctly drove truck about 3 miles: once I was home I put in new battery and new alternator. But the battery wont stay charged. & head lights stay on. On the fuse box in the passengers side one of the fuses keeps blowing out.
Mother of 3 from United States 5 months ago  
MO

Won't start

Ford F-150 2001 4.6 336000 miles
Ok my dad was driving and he said everything just shut off on him. I changed out the alternator, battery, starter, starter relay, and PCM relay. Fuel pump I can hear, I can turn the crankshaft by hand. I checked all fuses and other relays some fuses ain't getting any power to it. Could it be the PCM? I don't wanna change that out a second opinion. Someone anyone please help.
Will from United States a year ago  
WI
8 reports 

Won't start

Ford F-150 2009  225000 miles
The truck shows power, but won't start. Replaced alternator, still nothing, just want to know which of the 2 stater relay fuses is for the alternator
Rusty from United States a year ago  
RU
1 report 

No electrical, no crank or no start

Ford F-150 2003 F-150 6v 108000 miles
Good battery new alternator, starter, fuel pump & pat relays. What passive theft or other fuses should I check under hood, passenger side & driver side. Tried jumping then tested battery. Please do not answer throw her in the trash she's otherwise been real good to me & I treat her well too.
IxaR from United States 2 years ago  
IX
2 reports 

Will crank won't start

Ford F-150 2002 XL v6 4.2l 136560 miles
I have changed the
-starter
-Starter solenoid
-battery
-battery cables
-alternator
-ERG Sensor
-ERG Valve
-Fuel Filter
And I have checked all my fuses

The reason I changed the EGR valve and EGR sensor is because when I connected my computer to my truck it said it was not working and threw codes at me... someone please help me with this I've been a few months without my truck and I need it running bad
Kerbone from United States 2 years ago  
KE
1 report 

No power to fuses

Ford F-150 2001 Ford f150 4.6L 287000 miles
I've been having charging issues I can drive my truck for about 20 mins. Max that's with no accessories and the battery just all of a sudden drains the truck will die changed the alternator and battery have checked all grounds but got to looking at fuses today and I have no fire going to any of my fuses in the middle of the fuse panel under the dash can someone help me please
Rcgarr from United States 2 years ago  
RC

No power at all

Ford F-150 2002 4.6l v8 triton 200000 miles
I replaced the alternator and tried to start it from the solenoid and everything died I found some blown out fuses I replaced them I've checked for all loose wires there is none batteries brand new there is power coming through the car just not to the front in the inside no lights no beeping no nothing
Rhthegr8 from United States 2 years ago  
RH
5 reports 

Battery Keeps Draining

Ford F-150 2002 F150 Lariat FX4 4WD5.4 Triton V8  115000 miles
I have replaced fuse boxes fusses relays Wire harness Alternator /Battery Power steering pump and resovoir,AC Pump, Serpentine Belt Solenoid... And I'm ready to throw in the towel... please Help
Brown Boy Bakersfield from United States 4 years ago  
BR
2 reports 

Not charging battery

Ford F-150 1999 4.6 165000 miles
New battery and alternator. Still not charging
Jd1172 from United States 4 years ago  
JD
14 reports 

Gauge and starting problem

Ford F-150 2009 4.6  100000 miles
Lost tac speedometer water & trans gauge , all messages traction low fuel blue wrench, charging system , when the problem is on the truck still runs ok but if I turn it off and try to restart it won't restart but will restart now and then. Checked battery 12.8v alternator 14.5v with or without problem on.
Skids from Canada 4 years ago  
SK
2 reports 

Battery won't charge

Ford F-150 2002 Extended cab v6 4.7 188000 miles
The battery won't charge an it has brand new battery an alternator
Bobby from United States 5 years ago  
BO
3 reports 

Truck died after locking in hubs

Ford F-150 1996 extended cab 200000 miles
After bad icestorm couldn't get out of driveway so I got out and locked in hubs,before I could shift into 4 low lights dimmed and truck died and began a pinging ring sound. Alternator is fairly new and battery started it fine. Could locking in the hubs and trying to drive before shifting to 4 low cause electrical problem?
jaydub from United States 5 years ago  
JA

Loose all power to inside of cab including door windows when I acceler

Ford F-150 2008  140000 miles
Checked the alternator it's good; fuse box under dash replaced. New battery. When i accelerate all power in the cab goes out. Any suggestions?
andy from United States 7 years ago  
AN
3 reports 

Truck will nott move once in gear

Ford F-150 2000  178000 miles
My sisters truck Had a bad alternator the truck ran fine when they parked to fix the alternator. Fixed the alternator now the truck will not move when you put it in gear. Help!!!
k Roberts from United States 8 years ago  
KR
6 reports 
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