Question about 2002 Mazda Protege

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Alternator wire?? what's the fonction of the 2 wire on the plug of the alternator??

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Computer control of the alternator

Posted on Jul 08, 2010

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Posted on Jan 02, 2017

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How to change alternator 2005 chryler 300


This answer covers:
2005 Chrysler 300 6cyl VIN "G" 3.5L SFI HO (72% of 2005 300's)
2005 Chrysler 300 6cyl VIN "R" 2.7L MFI DOHC (28% of 2005 300's)
2005 Dodge Magnum 5.7L engine

Alternator

Removal & Installation


WARNING - Precautions Section:
Disconnect negative cable from battery before removing battery output wire (b+ wire) from alternator. Failure to do so can result in injury or damage to electrical system.

2.7L Engine
  1. Before servicing the vehicle, refer to the Precautions section.
  2. Disconnect negative battery cable.
  3. Remove alternator drive belt.
  4. Disconnect alternator field circuit plug.
  5. Remove B+ terminal nut and wire.
  6. Remove 2 lower mounting bolts.
  7. Remove alternator.
To install:
  1. Install alternator.
  2. Install upper bolt mounting bolt.
  3. Install 2 lower mounting bolts.
  4. Tighten bolts to 48 ft. lbs. (65 Nm).
  5. Install B+ terminal nut and wire. Tighten nut to 115 inch lbs. (13 Nm).
  6. Connect alternator field circuit plug.
  7. Install alternator drive belt.
  8. Connect negative battery cable.
3.5L Engines
  1. Before servicing the vehicle, refer to the Precautions section.
  2. Disconnect negative battery cable.
  3. Remove alternator drive belt.
  4. Remove bracket bolts.
  5. Remove upper mounting bolt.
  6. Raise and support vehicle.
  7. Remove middle splash pan.
  8. Disconnect alternator field circuit plug.
  9. Remove B+ terminal nut and wire.
  10. Remove lower mounting bolts.
  11. Remove alternator.
To install:
  1. Install alternator.
  2. Install lower mounting bolts. Loosen install the upper mounting bolt.
  3. Tighten lower mounting bolts to 48 ft. lbs. (65 Nm).
  4. Connect alternator field circuit plug.
  5. Install B+ terminal nut and wire. Tighten nut to 115 inch lbs. (13 Nm).
  6. Install middle splash pan.
  7. Lower vehicle.
  8. Remove loose installed upper bolt.
  9. Install bracket and bracket bolt.
  10. Install upper mounting bolt and bracket.
  11. Tighten upper mounting bolt to 48 ft. lbs. (65 Nm).
  12. Tighten the bracket bolt to 40 ft. lbs. (54 Nm).
  13. Install alternator drive belt.
  14. Connect negative battery cable.
5.7L Engines
  1. Before servicing the vehicle, refer to the Precautions section.
  2. Disconnect negative battery cable at battery.
  3. Remove alternator drive belt.
  4. Raise and support vehicle.
  5. Unsnap plastic insulator cap from B+ output terminal.
  6. Remove B+ terminal mounting nut at rear of alternator. Disconnect terminal from alternator.
  7. Disconnect field wire connector at rear of alternator by pushing on connector tab.
  8. Remove alternator support bracket nut and bolt. Remove support bracket. See Figure 1.
  9. Remove 2 alternator mounting bolts. See Figure 2.
  10. Remove alternator from vehicle.

Fig. 1 Alternator Support Bracket - 5.7L engine

7309257c-afe6-4c17-9422-d7fa2e3bd4b1.jpg

Fig. 2 Alternator Mounting Bolts - 5.7L engine

22b81ff7-7912-467f-9eaf-13ba2ff3a1a4.jpg

Oct 13, 2014 | 2005 Chrysler 300

2 Answers

1990 lincoln continental no power to the 2 wire plug on alt


it sounds to me like your alternator has faulty diodes have an auto electrician check it out for you regards

Nov 14, 2013 | Cars & Trucks

1 Answer

After replalcing alterntor ,brake light and batterie light still visible on dash board....i chech the new voltage everything sound good 13.8v.i had check all fuses.why?


i just had the same problem that i just fixed 2day... on my 01 santa fe they ran outta the 01 alternators???? and modified the wireing for an 02. to determin this u can look at the PLUG on the back of ur alternator and if it has 2 little wires and set for 2 prongs to plug into it then u got the wrong yr alternator. that is if the new ALTERNATOR only has 1 prong in it. u will need to ask for an 02 alternator. hope this helps

Aug 16, 2011 | 2001 Hyundai Santa Fe

1 Answer

I have 1988 camaro i-roc it had a v-6 in in it some one change it over to 350 can,t get it to charge can you help think sam


the alternator wiring is the same for both engines.make sure you have power on the large red wire at the alternator and the plug connector is clean and tight for the 2 wire plug for the regulator.it should have a small wire from the battery wire to this 2 wire plug and the brown wire is generally used to put out the light on the dash when its charging.next there is a D shaped hole on the back of the alternator that you can insert a metal cotter pin into until you feel a tab and ground the tab with the cotter pin by touching the pin to the alternator case and the charging system should start to charge.use a volt meter to check the voltage.if it doesn`t charge when you do this or you don`t hear the charging system start to charge then the voltage regulator is not working and needs replacing.

Apr 12, 2011 | 1988 Chevrolet Camaro

1 Answer

I need to know where all the wires go on an alternator on a 1979 350 rocket on an oldsmobile cutlass supreme


You should have a heavy #10 red wire with an eyelet that will fasten to the stud on the back. You should also have 2 smaller wires ,14-16 guage, in a plug-in that slides into a slot on the top rear of the alternator. They are probably brown and red or orange. If for some reason, the plug is not there then the brown wire goes to the #1 or left hand tang, looking from the back. The red or orange goes to the #2 or right side. Make sure you use an insulated connector if you have to do this because voltage will arc between the 2 and short out your alternator. Hope this helps.

Oct 04, 2009 | Oldsmobile Cutlass Supreme Cars & Trucks

1 Answer

Does the alternator on a 1993 Geo Prism need grounded?


IF THE WIRE THAT IS HANGING HAS A TERMINAL ON IT WITH A LOOP, THEN LOOK ON THE ALTERNATOR FOR A STUD THAT MAY ACCOMODATE THE WIRE'S LOOP. IF THE WIRE HAS A PLUG THEN LOOK FOR A CONNECTION ON THE BOTTOM OF THE ALTERNATOR. IF NOTHING IS ON THE END OF THE WIRE, THEN HEAD FOR AN AUTO PARTS STORE WHERE THEY WILL HAVE THE APPROPRIATE PLUG OR WIRE CONNECTOR FOR YOUR VEHICLE. HOPE THIS HELPS. THANKS FOR USING FIX-YA. GOOD LUCK. AND THANK YOU IN ADVANCE FOR AN HONEST RATING.

May 23, 2009 | 1993 Geo Prizm

1 Answer

Alternator Replacement Procedures


disconnect the battter cable.
find your tensinor and release the belt,
unplug the plug from the back of the alternator,
take the nut off the back and remove the second wire,
take off the 2 bolts that hold on the alternator,

now install the new one.
put the bolts back in,
plug the plug back in and connect the wire,
put the belt back on,
reconnect the battery.

Aug 07, 2008 | Ford Contour Cars & Trucks

2 Answers

1980 Pontiac Turbo Trans Am.........Alternator Wiring


THE PLUG FOR THE ALTERNATOR CONTAINS MAINLY TWO WIRES THE TACH WIRE AND 12VOLTS TO POWER THE REGULATOR. AND THEN THE CABLE RUNNING TO THE BATTERY FROM THE BACK OF THE ALTERNATOR. ALSO TRY AUTOZONE.COM IT MAY PROVIDE U A DIAGRAM FOR INSTALLATION

Aug 05, 2008 | 1979 Pontiac Firebird

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