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Need wiring diagram for voltage regulator 71 beetle

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Manual voltage regulator or electronic ,either way its simple ,one wire from battery or ignition switch runs to regulator for the sensing then one from the alternator and another to earth .if stuck i have a 40yr old lucas manual in the shed ,or just fit a all in one alternator on ,not difficult

Posted on Dec 31, 2010

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I have a 74 vw .i am replacing the voltage regulator. what's the blue wire for?


Barb, Blue wire may attach to regulator & connects to my generator warning light on the speedometer according to VW forum.
Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
TheSamba com Beetle Late Model Super 1968 up View topic External voltage...
Alternator Generator
74 vw voltage regulator blue wire Google Search

Aug 01, 2016 | Cars & Trucks

1 Answer

Voltage regulator wiring diagram


Free wiring diagrams and Technical Service Bulletins, just have to agree to license agreement, and put in car information. Wiring diagrams are under "technical information".
http://www.bbbind.com/products.html

Nov 15, 2013 | Isuzu Cars & Trucks

1 Answer

I have a 93 jeep grand cherokee changed altenator but still wont charge


If no damaged wiring is found, it's most likely an internal fault in the ECM (Engine control module, computer, PCM, ECU, whatever you want to call it, it goes by many names)
The Voltage Regulator is built into the ECM on virtually every Chrysler product (including Jeeps) after 1987 or so. And it is prone to failure. If it does fail, you either have to replace the ECM or install an External Chrysler Voltage Regulator, which requires some wiring harness modifications and a few parts that can be purchased at your favorite auto parts store.
To do the External conversion, you'll need :
1 Chrysler Voltage Regulator (virtually any Dodge/Plymouth from 1970 - 1986. It's best to order one for a 70's 4x4 Truck with a 318 engine though, to avoid any possible mix ups)
1 Chrysler Voltage Regulator Pigtail (this is the plug that connects to the regulator)
Roughly 10 feet of 14 gauge wire, possibly less, depending on where you want to mount the regulator.
Most, if not all Regulators now include a wiring diagram in the box, for this purpose, just follow the diagram and match up the field wires on the alternator with the ones in the diagram. On a '93 Jeep one field wire should be Blue, the other should be Green.

Aug 23, 2011 | Jeep Grand Cherokee Cars & Trucks

2 Answers

How to connect a new era alternator voltage regulator wiring diagram.Or a schematic diagram of the charging system.


knowing the color codes can be a great help..usually in 12v reg system,from the regulator there are 6 white wire having a stripe codes,blue means neutral,green means field,black means ground to body,white means hot wired to +12v,yellow means to bat charging indicator going to instrument panel and finally red means to ignition....and always secure the regulators case to ground.

Jul 19, 2011 | Isuzu i-Series Cars & Trucks

1 Answer

I need a printable diagram for replacing an altenater on a 1994 ford mini-van. Does anyone know a website to find one for free?


Removal
  1. Disconnect battery ground cable (14301) .
  1. Remove snow/ice shield.
  1. Remove engine air cleaner intake tube (9A624) .
  1. Disconnect the generator voltage regulator wiring (14305) to the voltage regulator.
  1. Remove wiring connector bracket.
  1. Loosen the drive belt tensioner (6B209) and remove the drive belt .
  1. Remove the bolts holding the voltage regulator to the generator bracket (10A313) .
  1. Remove the voltage regulator from the generator bracket .
Installation
  1. Position the voltage regulator on the generator bracket .
  1. Install the bolts and tighten to 40-55 Nm (30-40 ft-lb).
  1. Install the drive belt over the generator pulley .
  1. Adjust the drive belt tensioner as outlined in Section 03-05 .
  1. Connect generator voltage regulator wiring to the voltage regulator. Tighten generator Battery Positive Voltage (B+) wire attaching nut to 9-12 Nm (6.5-9 ft-lb).
  1. Install wiring connector bracket.
  1. Install engine air cleaner intake tube .
  1. Install snow/ice shield. NOTE: When the battery is disconnected and reconnected, some abnormal drive symptoms may occur while the powertrain control module (PCM) (12A650) relearns its adaptive strategy. The vehicle may need to be driven 10 miles or more for powertrain control module to relearn the strategy.
  1. Connect battery ground cable .

Jul 28, 2009 | Ford Aerostar Cars & Trucks

1 Answer

I need a Fuse Box diagram for my 1998 VW beetle.. can anybody send me? my email add is mikey111@gmail.com.. thanks


There's one in the Owner's Manual, Section 3.2, Pages 68-71. There may also be on on the Fuse Box door. Otherwise send me an email address and I can email you a *.pdf of the Owner's Manual pages.

Jun 11, 2009 | 2000 Volkswagen Beetle

1 Answer

1971 Volkswagen Beetle. Blowing fuses


You have a wire shorted to the body of the car, the easiest way to fix this is to run a new wire, if the short persists the generator may be shorted. be sure to use the correct size wire for the new lead.

Aug 08, 2008 | 1998 Volkswagen Beetle

1 Answer

Alternator or Voltage regulator


if you can carefully put a metal wrench on the rotating pulley of the alternator and felt a magnetism attracting the metal wrench, then your alternator is charging. if there is no magnetism, then the alternator is not charging...

another test is to measure the voltage on the small wires that went in to the alternator that says "F" for field, it should measure battery voltage...that is the voltage from the regulator..that means your regulator is working...but the altrntor is not..

without that battery voltage, then the regulator is he culprit...



pls be carefull...

hope i was able to solve ur problem..

pls rate me.. tnx, drcool..

Jul 26, 2008 | 1998 Volkswagen Beetle

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