Question about 2004 Ford F150

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Was changing fuse for lights now vehicle won't start and can't operate anything electrical. No lights, no windows, won't go in gear, etc

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Check all the fuses with a volt meter, somehow you either disconnected one it blew, look at the primary fuses,, the are bigger and from 30 to 50 amps

Posted on May 10, 2010

Testimonial: "Thanks for the help. One of the new fuses was bad. Appreciate the answer."


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F150 wont start don't even get lights or anything battery good but nothing else works

What year F-150 ? Do you know how to test automotive electrical circuits ? Find a electrical distribution diagram at Enter vehicle info. year , make , model and engine size . Under system click electrical distribution , then under subsystem click power distribution . Click the search button ,then the blue links one at a time . Start at the battery , with a volt meter ,what's the voltage . Then check main power feeds to power distribution (fuse /relay) boxes . Under the hood , inside the vehicle etc... The first diagram shows two main 30 amp fuse in the ( BJB ) one supply's B+ to the starter relay an if you look down about 5 or 6 diagrams you will A goes to the ignition switch. The other 30 amp fuse powers the PCM power relay . Both of those if open could cause your problem . If these are ok keep looking at main power feeds etc....

Jun 13, 2017 | Cars & Trucks

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Trouble starting 04 maxima then once it starts put it in gear and nothing happens.

Modern vehicles need minimum voltage to operate the electronics. It is possible for the vehicle to start, but not run properly dye to the low voltage. Most likely your battery is low, or bad and we intend charge. Also your alternator may be bad.

Jan 24, 2016 | 2004 Nissan Maxima 3.5 SE

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How do i operate windows with out starting vehicle.

When you want to use electronics without starting the vehicle, DO NOT put your foot on the brake pedal. Then press the start button. The car will cycle between: Basic electrics (radio, etc), all power (windows, etc.) and off.

Oct 04, 2014 | 2015 Toyota Highlander

1 Answer

Wont shift after you start it and none of the accessories such as windows etc.

What you may be experiencing is a part called a "Boo" switch in car slang. In order to shift out of Park, it is necessary to put your foot on the Brake pedal. The part you are having problems with is suppose to tell the vehicle that your foot is on the pedal. You may also find that your Brake lights are out too!

It is common for the Drivers' feet to hit this switch located on the top of the Brake pedal lever and dislodge or break it. When it breaks, any number of crossed wires result which may break the fuses. This is why some electric things do not work now.

Replacing the broken fuses should restore what does not work. Replacing the "Boo" switch is a simple process and it is usually a plug-in part.

You can get a free wiring diagram after registering your truck with Fusebox layouts are also free and it will help you to determine which size fuse is needed to restore power and where that fuse goes.

I hope my solution is helpful.

Sep 05, 2012 | 2002 Lincoln Blackwood

1 Answer

After i change thebrake switch will my fan blower for my heater and ac start working agian

No it won't.The brake switch is for brake light,interlock shift solenoids,transmission TCC controls,and stoping the vehicle, You fan blower has a completely different power supply that is independant from the brake electrical system, For you fan blower to operate its either the fan resistor blower or the fans control switch to the fuse

Mar 19, 2012 | Cars & Trucks

1 Answer

2008 Saturn Vue Stuck In Park. The car starts fine however when you try to shift out of park the shifter is locked up and won't budge. You have to restart the car multiple times to get the shifter...

these have a safety system so the shifter won`t go into any gear unless the brake is pushed(indicating someone sitting in the drivers seat),if the brake lights aren`t working this indicates that the fuse that operates the shift lock solenoid and brake lights is not working and needs replacing.check the fuses and replace the fuse and things will probably return to normal.

Aug 05, 2011 | 2000 Ford Expedition

1 Answer

All four power windows do not operate

Now you have what I will call a very RARE time
when you can check for a blown fuse

It won't fix anything,but if it is & blows again
you know one of your window motors is overloading
the entire sytem.
Bad motor or stuck somehow.

Also some vehicles (most) have a
Delay Accy Module that times out after you open
the door. Radio goes off,windows go to sleep etc.

Don't know where that is

May 26, 2011 | Chevrolet Aveo Cars & Trucks

2 Answers

I changed the battery in the car and it still wouldn't start and the windows don't work. the only thing that work is the radio. I can't even get it to change gears

Do the ignition lights come, Lights, etc??? It could be the ignition switch, maybe the eletrical switch is stuck in Aux even though you are turning the key in the barrel, you may not be turning the electrical switch underneath. Hope this is helpful. Ian

Jul 13, 2009 | 2000 Ford Focus

2 Answers

Fuse keeps blowing on 1997 camry

there could be chaffed wires that r grounding

Aug 15, 2008 | 1997 Toyota Camry

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