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Alternator plug where to plug in alternator

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There should be a small wiring harness close to the alternator with a plug that connects to the alternator, along with the large wire.

Posted on May 06, 2013

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Posted on Jan 02, 2017

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I have a 06 gmc envoy xl 4.2...battery meter fluctuates back and forth from 14 Down to 9. When it does this and u have to shut it off it will not start back up without a jump. Alternator and battery were...


Bad plug or broken wire at the plug, at the alternator. Pull the plug off the alternator. Turn the key on and check for power and ground at the leads. No reading, probe the wires a couple inches back. If a read there fix or replace the plug. If you have a 3 wire plug, best to use an ohm meter. Test each wire separately. At the pin and a couple inches back on the wire. This test may include testing the wire back to the PCM and fuse panel. You'll need wiring schematics for this. The PCM is what fields the alternator to charge and supply power when the engine is running.

Aug 07, 2016 | 2006 GMC Envoy Xl

1 Answer

Why 3 wires on plug going into alternator .


Battery, ignition, and computer (regulator). Mine had shorted wires when I took off all the tape. But, my alternator tried because my short was intermittent. I giggled my harness and it kinda worked.

Mar 06, 2015 | Cars & Trucks

1 Answer

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

1 Answer

I have replaced the battery and the alternator but check charging system message still appears on the dash board


Check the small wire plug on the Alternator. Instead of pushing the wire in the harness onto the Alternator tab, the wire slides backwards through the plug and fails to make contact with the tab.
Some mechanics work the wires out of the plug, attach and crimp it onto the tab, and then slide the connector over the connector and into the Alternator.

Sep 23, 2013 | 2005 Mercury Mountaineer AWD

1 Answer

1998 Ford explorer, new alternator, not charging


Sounds like you:
a. Have something not plugged in
b. Have something plugged in incorrectly
c. Broken Wire
d. Defective New Alternator

Apr 06, 2013 | Cars & Trucks

2 Answers

Battery will not hold charge


could be tha water pump or belts

Nov 23, 2011 | 2000 Chrysler Town & Country

2 Answers

88 chevy pickup not sure where wires go from Alternator


make sure the pigtail is plugged into the alternator and that the power wire is hooked to the pin on the back of the alternator, if there is no plug there you can get a replacement one from the parts house with a pigtail fairly cheap and just solder it in place

Aug 28, 2009 | Chevrolet Chevy Cars & Trucks

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