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Alternators

An alternator is an old term for electric generator that converts mechanical energy to electrical energy producing alternating current. Alternators are mainly used for recharging batteries and to power electrical loads of vehicles.

4,629 Questions

What happens if your alternator doesn't work?

It will seem like it is your battery. It may start at first but eventually will die and you will attempt to use jumper cables to restart it but as soon as you disconnect the cables it will die again. The only fix is to replace the alternator , when i replaced the one in my truck i did it myself for about 140.00

If this helped please recommend :>)

1991 Geo Tracker - plug wires came out of plug to alternator wiring diagram anyone?

Richard Gora is also using the older Geo alternator from the 3 cylinder models. This alternator has 3 wires. One is drirectly from the battery and 2 others are (or more correctly were) in a green plug. These are the power from the key and the lead to the "no charge" light. My problem is that I do not have the plug and need to determine which of the two wires goes where. Any help ? Thanks !!! Doc PS I have an ohmeter etc etc fcorp1@tampabay.rr.com

Where is 1993 Infiniti j30 alternator located?

It's on the passenger side of the vehicle. When you look at the crankshaft pulley, the Alternator belt is the innermost (closest to the engine) belt.

How do you install alternator on 2002 Chevy cavalier z24?

First remove battery cable. Remove drive belt with (13mm) or (15mm) I cant remember which wrench on belt tentioner,pulling towards front of car. Then 15mm bolt on the bottom of altenator. Then 15mm long bolt between chain housing and plastic intake. Then a few inches to the right just loosen the 3rd bolt. Its a tight squeeze, but work it out so you can unplug it and remove the 13mm nut on the back.(that wire goes to the battery)

How do you remove an alternator on a 1999 gmc truck?

First thing to do is remove the negative battery connector so you won't be able to short anything out by accident. Then remove the nut under the rubber boot at the upper back top of alternator (it is battery voltage wire and goes over to solenoid on starter motor). Then unplug the connector that is plugged into the top of the alternator. The alternator is usually the most upper mounted accessory that is bolted to a large aluminum accessory cradle attached to the engine block. Since you must access the serpentine belt tensioner, I would suggest removing the upper plastic pad that covers over the upper radiator support and fan shroud. First, remove the air inlet duct from the intake manifold and air snorkel tube. The trim pad over the radiator is held on merely with "push-pin" plastic trim plugs or fasteners to be technical. There is a plastic fastener or two you must remove to unfasten upper radiator hose. Next, you will or may want to remove the upper fan shroud. It is held in by two bolts at the upper radiator support beam (two bolts with 10 mm heads). Then there are about three push-pin fasteners that join the upper and lower half of the fan shroud. Once disconnected you may remove the upper fan shroud by wiggling it and rotating it slightly to get it past the fan. Next, put a wrench on the serpentine belt tensioner bolt located at upper left area of fan belt attachment. Turn the tensioner in toward the fan so the fan belt will slacken. Once the belt is off the tensioner you may release the tensioner (slowly). Look at lower half of fan shroud any make sure it is in the slots with rubber busings to allow good fit when reassembled. To remove alternator remove the two large bolts holding it in to accessory mount. It fits into the mount rather tightly, so you may have to pry up on the alternator by putting a large screwdriver, pry bar, or tire iron between the alternator case and the mount housing. It is doesn't work out, then trying tapping on it with a soft hammer like a dead blow hammer (plastic filled with steel shot). If not equipped you can use a common hammer but do it by placing a wood block against the alternator before striking. Remember, the case of the alternator is aluminum itself, and will not take much abuse. Any mechanic's core asset should be patience, especially when working on tedious parts replacement that may be quite difficult to remove. Once your are at this junction take a break, as leaning over the vehicle's radiator support can cause muscle fatigue in lower back area. I stand on what is similar to an old milk crate except it is constructed of wood. Now, simply work backward from how you took it apart. Caution: Do not accidentily strike the radiator fins, as you may cause your day to turn out badly by doing so. Some folks even tape up a section of cardboard with duct tape to protect it. The most challenging point of this repair may be the serpentine belt routing. There is a decal showing the routing of the serpentine belt on upper radiator support cover. One good thing about the serpentine belt and tensioner--there is no longer a need to wedge some tool as a prying device between the alternator and mount to get proper belt tension before tightening bolts.

How do you remove an alternator bracket on a 1998 Dodge Caravan 3.3 Liter engine?

remove belt, remove alternator plugs, then bolts. pull out alternator. then undo bolts for bracket and remove.

Changing alternator 1993 Mazda mx-6?

1. disconnect the battery, 2. loosen the bottom pivot bolt which u will have to feel for because u really cant see it too well. it should be almost directly at the bottom of the alternator, 3. loosen the lock bolt(left side) on the tensioner and then begin to turn the tensioner rod/bolt to the right(gives slack in belt). this should be on the top left side of your alternator. after enough slack u can take off the whole tensioner unit. YOU WILL BE ABLE TO FREELY POSITION THE WHOLE ALTERNATOR ABOUT 50 DEGREES SINCE THE PIVOT BOLT WILL STILL BE INTACT BUT LOOSE ENOUGH. 4. un clip(2 little "push tabs") and un screw the 2 different electrical plugs on the back and under side of the alternator. 5. completely remove the bottom pivot bolt(#2) 6. basically wrestle out the alternator unit between engine, couple hoses and the firewall. PERFECTO! mission complete. depending on your situation #'s 5 and 4 switch around to make easier. Its ALWAYS a good idea to bring the old alternator with u when purchasing a new one. plus, they may knock a couple bucks off

When do i know if my alternator is going bad in a 1998 Lincoln navigator?

i have had to replace my alternator 3 times due to my system :D but the first sign is usually your interior lights dimming and flickering when you are at a stop. such as your miles before empty gauge that would always catch my attention. and yes this is when your at night and your headlights are on. and you will hear your alternator constantly whining. i got a 250amp aftermarket one with a capacitor which solved my system problem :D

How do you get the battery light to go off when you replace the alternator in 1999 ford windstar?

I have a 99 Windstar and when my mechanic replaced the alternator the battery light would not go out he took back about 2 alternators, stating that the alternator was not good, because the battery light stayed on. Finally, he had the last one he put in tested and it was fine, but the battery light still came on. He called a Ford mechanic and they said you have to use a ford alternator, because the computer can not recognize other brands of alternators. Once he did the light went out. He said occasionally it will recognize an off brand, but when it doesn't the battery light stays on and it can cause problems with the computer, and I believe he said the cyliniod could burn out. He just bought a re-built alternator from the ford dealer for about $199.00

How do you install an alternator in a 1971 Plymouth duster with a slant six?

first unhook the battery cables and then take the alternator belt loose and then take the 3 bolts out that hold the alternator on and take the wiring harness out of the alternator and the red battery cable off and it's out.

How do you change the alternator on a 98 Altima?

first disconnect battery, disconnect alternator and unbolt ground from it, loose two bolts on the sides there's a third bolt that it's located in the front of the alternator, this third bolt will release the pressure on the serpentine belt. when you're done doing this just keep unbolting the sides 'till come out and pull out the alternator, backwards for installation but make sure all the wires are well connected and everything in place, and try not to tight up the belt too much.

Where is Tahoe located?

Tahoe City, CA

http://local.yahoo.com/?csz=Tahoe+City%2C+CA

From Wiki:

Lake Tahoe
is a large freshwater lake in the Sierra Nevada mountains of the United States, located along the border between California and Nevada at Lake Tahoe's major bend west of Carson City. The area surrounding the lake is also referred to as Lake Tahoe, or simply Tahoe.

Your 2000 BMW 323i has a battery light on. The car starts and the alternator puts out the right amount of volts. What could be wrong?

Could be diode in alternator out, causing excess "noise". Take your car to most any major nationwide automotive parts store for free in vehicle testing.

How much should it cost to replace an alternator on a Nissan Murano?

An alternator for such a car (for Example: Murano 06) Costs anywhere between $160-$220. Now of course if you take it to a shop they will charge for labor, so perhaps an additional $99 per hour.

Will alternator still work if the gauge is not?

An alternator does not need a gauge to work. It is used to monitor the output of the alternator.

Location of alternator in 2000 Saturn Ls1?

An alternator in a 2000 model year Saturn LS1 is located in the engine compartment. It is on the lower left of the passenger side of the car.

How do you replace the alternator on a 1996 Nissan Altima?

93-97' Altima's are about the same. I have had several 93's so: Disconect battery! Disconect three connections on alternater, (plug, power and ground) On top of alternator, (left side when facing enging and parallel to pulley) is a bracket with a 12mm size, 3" long bolt; this is the tensioning bolt, back it out and remove the little bracket it passes through. -Facing the engine, to the left and right side of the alternator and below it ar two 14mm bolts, loose both of these. -Push/rotate alternator aft. This loosens the serpentine belt enough, (barely)to remove the belt from the pulley. -Remove both 14mm bolts and remove alternator. Don't need to remove anything else, it will wiggle out. Install is reverse of removal. Once serpenting belt is tensioned up, (should deflect about a 1/4 when tight) Run engine for 10 minutes; charge light should be on when ignition key is in the "on" position then should go out once engine is started. After 10 minute run, shut off engine and recheck belt tension.

How do you replace the alternator on a 1993 Pontiac Grand Am?

Im assuming that you have the guad 4. Get the following tools. 5/16 wrench for the battery, 10mm wrench for the positive post on the alt, 10mm scoket for the bottom and back alt bolts, 15 mm socet for the top alt bolt.

1. Disconnect the neg term on the battery.

2. Dicsonnet the positive term and the plug on the bottom back of the alt.

3. Remove the 10mm bolt on the back of the alt

4. Remove the 10mm bolt on the bottom of the alt. (hardest to reach will need a 3 inch ext.)

5. Remove the top 15mm bolt on top of the alt.

Your done, reverse the procedure to install.

How do you remove the wires from the alternator on a 1997 Toyota tercel?

how do you take the wires from the alternator on a 1997 Toyota Tercel

Is there a way to start a car with a bad alternator to drive it to a station or do you have t have it towed If so how?

AS LONG AS THERE IS ENOUGH POWER IN BATTERY TO SUPPLY A SPARK TO THE ENGINE

VIA THE DISTRIBUTOR IT WILL RUN FOR A WHILE (DONT DRIVE IT IN THE DARK THOUGH IT USE ALL THE POWER IN THE BATTERY)

All the alternator does is to keep the battery charged up