Question about 2004 Toyota 4Runner

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Alt fuse 2004 4runner

How is the fuse replaced on a 2004 4runner? I can't get the fuse holder out of the case

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The fuse is bolted in to the power buss-bar in the fuse box. You have to remove the fuse box center section from the outer section (pull it up) to access the 8 or 10 millimeter bolts that holds it to the buss-bar. No other way to do it.

Posted on Oct 11, 2008

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Yes, the fuse holders are in place with tabs that release the box from the fuse holders. Disconnect and remove the battery. The box is held by 3 bolts and remove the tie straps holding the wires to the box gates. The fuse holder is two piece and once seperated allows easy access to the inside bolt (8mm.) The outer bolt is 10mm. Our problem was a shorted starter that blew the 40 amp. fuse.. Be patient and don 't break the box

Posted on Jul 26, 2012

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1999 3.2l. Why are battery and brake lights on?


was not on before the new alt,? is alt new or used.?
or came on only after the new ALT?????????
my guess, is 2 failures.! (one ignored and 2nd grew)
on with engine running, guess yes.
Good question and is same answer on all cars.
1: engine rpm too low, what is yours (below 80 rpm)
2: fan belt slips. bad tension pulley (weak and old???)
3: Alt bad, or its wires bad.
4: brake level low, (@MC) or hand brake switch stuck on, or other brake failures. a plenty, scan the PCM and ABS if you have ABS.
id not drive it with the brake lamp on (Savvy?)
the battery light is really the ALT charge lamp.
it glows anytime the Charge system can not charge the battery
if you drive far like that, the engine will stall and not crank.

5: the horn fuse power the alternator, so check the horn fuse
10amp , key on, 12vdc on both sides of fuse is needed/
fyi: the meter fuse runs the charge lamp, if said lamp is dead bingo.
6: fact 2, the PCM does NOT run the Alternator on the 3.2L .
7: alternator case not grounded right.
8: battery is bad, causing alternator to drop off line
9: battery cables bad, at the 4ends or they are bad.
10: the plug on the rear of alt is bad or its wires or pins rusty.


brakes:
the brake lamp has 3 inputs ("OR" logic) master cylinder level low.
the hand brake lever and the EBCM (electronic brake control module)
a technician unplugs each to see what causes the error.
if you unplug mC wire and hand brake wire
then the EBCM is UNHAPPY, scan it.

Jul 31, 2015 | Isuzu Rodeo Cars & Trucks

2 Answers

I have a 1999 3,8L ford mustang my tester indecates the alt is overcharging,but the batt light is coming on but it goes off! is there anything i can do to besides replace the alt?


Your alternator-mounted voltage regulator has failed. Luckily, your voltage regulator is
replaceable separately from the alternator (most voltage regulators are integral to the alternator,
and cannot be separately serviced).

Note: this works for 3.8L cobra alternators/voltage regulators only - in the 4.6L model, the
voltage regulator is an integral component of the alternator.

1999 Ford Mustang Cobra -3.8L engine

3.8L Engines

1. Disconnect the negative battery cable.

2. Remove 4 Torx® head screws holding the voltage regulator to the alternator rear housing. Remove the regulator, with the brush and terminal holder attached.

Fig. 1. The regulator and brush/terminal holder are mounted on the backside of the alternator

archaeology_70.jpg


Fig. 2. The regulator and brush/terminal holder are secured by 4 Torx® head machine screws


archaeology_71.jpg

Fig. 3. Hold the regulator while removing the screws to prevent the regulator from dropping out and damaging the brushes

archaeology_72.jpg



3. Hold the regulator in one hand and pry off the cap covering the A terminal screw head with a small prybar.

4. Remove 2 Torx® head screws retaining the regulator to the brush holder. Separate the regulator from the brush holder.



Fig. 4. Slide the regulator out-the brushes will move out of the holder

archaeology_73.jpg


Fig. 5. The brush and terminal holder can be separated from the regulator once it is removed from the alternator

archaeology_74.jpg


=========================================================
To install:

1. Install the brush holder on the regulator with 2 retaining screws. Tighten the screws to 25-35 inch lbs. (2.8-4.0 Nm).

2. Install the cap on the head of the A terminal screw.

3. Depress the brushes into the holder and hold the brushes in position by inserting a standard size paper clip, or equivalent tool, through both the location hole in the regulator and through the holes in the brushes.

Fig. 6. When installing the regulator, press the brushes back into the housing

archaeology_75.jpg


Fig. 7. Use a thin piece of soft material, like this plastic wire tie, to hold the brushes in position while replacing the regulator, or use a paper clip inserted in the hole

archaeology_76.jpg



4. Install the regulator/brush holder assembly and remove the paper clip. Install the attaching screws and tighten to 20-30 inch lbs. (2.3-3.4 Nm).

5. Connect the negative battery cable.

Jul 07, 2011 | 1999 Ford Mustang Cobra

2 Answers

1986 dodge 3/4 ton, 3.7 slant six. no fire to plugs.ignition on no blinkers or gagues, still turns over.hot to alt and coil still no fire. fuses good


Sounds like fusible link. It's a thick (thicker than normal) wire coming from battery to junction block on firewall. They burn through and/or break down internally - you can replace it with an inline 30amp fuse & holder.

Mar 25, 2011 | 1986 Dodge Pickup 4WD

1 Answer

Low beam headlights do not work, high beam headlights work


Hello and Welcome to FixYa!
Check for the fuses and relays, located in the Engine/ Driving Compartment.. The fuse/relay for the Headlights will be marked on the casing of the fuse holder. You have to locate that fuse and have to replace it in case of bad/ faulty. Also do make sure, that the Switch that performs the High/Low beam operation is properly working. Worst case scenario would be the bad filament/ projection tube usually called bulb/ beam.

Concerned.

Mar 07, 2011 | 2002 Pontiac Bonneville

6 Answers

Radio not working


It is the fuse inside that yellow fuse holder on the lower left side that is bad. Not the one that says audio that is the problem you can not see the fuse but it is in that yellow holder.

Apr 06, 2010 | 2003 Hyundai Tiburon

1 Answer

My mg zs 180 keeps blowing a 15 amp fuse just as i start it up.if and when i get her started she will run all day but if i stop and try to restart it will blow the fuse again.can you help,simon


hi simon
this definatley sounds like you have a short in the system basicly, whats happening is, when power is transmited to what ever the fuse is attached to is shorts out ( an earth touching live, or vise versa ) what you will need to do is find out what the fuse is for, when you have that this should be then a simple case of locating the item involved and checking wether it is or part of it is touching a positive or negative where it shouldnt be, sometimes a clisic case is , a bulb has been changed and when the replacment has been put back in the holder, the contact for the holder can sometimes get bent and touch the opposit polarity hence this causes a short circut ( it happend to me and took me a while to sus it out myself lol ) i hope this sorta helps

Mar 17, 2010 | Mini Cooper Cars & Trucks

1 Answer

No power to bmw x5 ns brake light


Hi , remove the brake light bulb and look at where the bulb contacts the holder , you may find that you have a hole burned into the holder where the contacts have been arking , if this is the case you will need a replacement kight unit , reagards mark

Jun 27, 2009 | 2004 BMW 5 Series

2 Answers

I have a 95 buick lesabre 6 cyl. When I turn the car off, the AC blower will not stop running. I pulled the fuse to keep from running down the battery. The fuse was good and I don't know what the problem...


Replace the blower control module. Its under hood about six inches from the ac/heater fan motor on heater case hidden behind a shield. It bolts in from the top and has about eight wires going to it.

Jun 17, 2009 | Buick LeSabre Cars & Trucks

1 Answer

Removed, cleaned and reasealed transfer case. Blows 4x4 sel fuse.


check and see if you have pinched the wires when placing the tranmistion to engine.

Jun 11, 2009 | 1992 Dodge Dakota

3 Answers

What is the ALT 80 fuse under the hood? 1990 4runner


Alternator ? Is your alternator charging? What type of electrical problems are you having.

Jan 31, 2009 | 1990 Toyota 4Runner

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