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Diagnosing a faulty voltage regulator on a 2011 Ford Edge


macbwt

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I am using the SOLAR BA7 and found some erratic readings. SOLAR tech checked out this video and determined I am experiencing the failure of the voltage regulator on my 2011 Ford Edge. I am going to perform some more testing and will then have to remove the alternator and replace the regulator or maybe the whole alternator not sure at this point.

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:Thought about it but SOLAR tech gave me some additional advice and watched the video with his experience it is the voltage regulator. I have already tested two other vehicles and one with a nearly dead exhausted 5 year old battery and it was not doing anything like what Lullubelle was doing. The battery has issues but not related to the system regulator spiking. I will make a more detailed video on the issue.

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Mac, did you try to swap the batteries & repeat the test? Just to be on the safe side? Also, did you reset that battery monitor thing since the last time you disconnected the battery on the affected Edge? Just some thoughts..

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2011 Edge Specs:

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Item Specification
Generator ā€” 3.5L
Generator pulley ratio 2.66:1
Rating 70 amps @ 600 rpm (min) to 155 amps @ 2,500 rpm (max)
Voltage regulator type Electronic internal with generator
Generator ā€” 3.7L
Generator pulley ratio 2.66:1
Rating 89 amps @ 600 rpm (min) to 178 amps @ 2,500 rpm (max)
Voltage regulator type Electronic internal with generator

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R&R is a piece of cake. Whatcha talkin' about, mac, big strappin' ex-swabbie like you??? :)

post-23566-0-41660400-1454541783_thumb.jpg

Item Part Number Description
1 10346 Generator
2 ā€” Generator electrical connector (part of 14B060)
3 ā€” Generator B+ terminal (part of 14B060)
4 W711953 Generator B+ terminal nut
5 W709986 Generator bolt
6 W712609 Generator stud
7 W520414 Generator nut
8 8620 Front End Accessory Drive (FEAD) belt
9 10329 Radial arm adapter
10 ā€” Radial arm adapter nut (part of 10329)
11 ā€” Radial arm adapter cap (part of 10329)

Removal and Installation

NOTE: The radial arm adapter is a serviceable item. Do not replace the generator if the radial arm adapter is the only concern.

  • Disconnect the battery. For additional information, refer to Section 414-01 .
  • Remove the cooling fan. For additional information, refer to Section 303-03 .
  • Rotate the accessory drive belt tensioner clockwise and position the accessory drive belt aside.
  • Position the generator B+ terminal protective cover aside, remove the nut and position the generator B+ terminal aside.
    • To install, tighten to 17 Nm (150 lb-in).
  • Disconnect the generator electrical connector.
    • Detach the pin-type retainer and wiring harness.
  • Remove the generator stud nut.
    • To install, tighten to 47 Nm (35 lb-ft).
  • Remove the generator stud.
    • To install, tighten to 8 Nm (71 lb-in).
  • Remove the RH fender splash shield. For additional information, refer to Section 501-02 .
  • Fully loosen the generator bolt and remove the generator.
    • To install, tighten to 47 Nm (35 lb-ft).
  • To install, reverse the removal procedure.
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2011 Ford Edge failing voltage regulator. Upon further review I am charging with no load on the system which means no lights or nothing on. Once I throw on lights, fans, heated seats, defrost etc. the voltage regulator can not charge the battery, but delivers enough to tread water so to speak. This mean the batter essentially is not being charged and barely maintained. The result is the battery discharges through normal use and sitting around results in the battery losing voltage and dying or unable to start the car. The weird thing is it does not throw a CEL. So any shop mechanic would check your battery and say you need and new battery and send you down the road with the problem not being addressed. I am hearing of stories of continued battery replacement and I am sure if a charging system test were to be performed rather than a battery test you would find a lot more voltage regulator failures.

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  • 2 years later...

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