Question about 1999 Honda VT 1100 C3 Shadow Aero

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Are the three yellow wires from the alternator to the regulator all the same? my dealer removed the connector and wired them solid.

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Yes they all put out the same voltage.

Posted on Mar 23, 2011

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1 Answer

How do i install a alternator

The three (usually yellow) wires from the alternator can hook to any of the three large wires from the regulator.

Mar 30, 2014 | 2003 Suzuki GSX 750 F (Katana)

1 Answer

Battery not charging on its own...

If you wired the new regulator in with the old one, you've probably burned up the new regulator. Make sure that you have voltage to the correct pin on the regulator and make sure that you have voltage coming from the sensing wire from the alternator to the regulator. You must remove the old regulator completely.

Aug 16, 2012 | Fiat 124 Cars & Trucks

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I have a 83 kawasaki kz1100 i want to know how to install a stator because the three wires from the stator are black and the other three from the regulator wires are yellow how can i know which wires go...

Originaly the 3black wires would have been yellow sounds like its been rewired, you can connect any one to any yellow as this is a 3 faze alternator and they all throw ou the same power, before you do so,(with the ignition key removed) use a multimeter set to ohms put red lead to one wire record the reading when you touch the black wire to one of the other two wires, next move the black and record reading to the other of the two wires, this will determin that you have continuity around the three circuits

Sep 09, 2011 | kawasaki Mach III H 1A Motorcycles

1 Answer

I have a 1993 honda cbr 1000 f with an electrical problem I put a new voltage regulator and it still dies out, it is putting out 11.99 volts at idle when reved up goes up to 12.08 to 12.23 when reved...

It is possible to get a faulty reg from new but extremely unlikely.Obviously they are all tested at the factory before packaging.As are all electrical parts.Which are non-returnable in most cases too I'm sorry to say.
Try this test.
With you multi-meter set to ohms & set to the highest scale(k ohms) check the conunuity between each of the three stator wires TO EARTH.
So, disconect the regulator conector at the reg.
Connect one meter probe to a yellow wire & the other probe to earth.(make sure your fingers arn't touching the metal part of the probes or you'll get a false reading).
You should get an open circuit-no conunuity.
If any of the three yellow wires has any conunuity to earth then the stator is at fault.
Sometimes on occasion it has been known for a winding to take a short circuit,without grounding efectivly by-passing only part of the coil & reducing the output of the stator.But again extremely rare.
Seeing that the alternator cover is reasonably easy to remove(I did a Triumph daytona stator removal recently in about 1/2 an hour),I would suggest if all else fails & you're not sure what to do, remove the alternator cover & visually inspect the stator to see if any burning is visable.
If the stator is burnt out in any way, it is common for a pungent smell to come from the stator-You'll notice it when you seperate the cover.
I hope that this has been in some way helpfull
Kind regards Andrew Porrelli.

May 12, 2011 | 1993 Honda CBR 1000 F

1 Answer

I have 2007 Suzki VL 1500/T I in stalled a new battery and I drove it 200 miles nand the battery need to be recharged, The sistem is not charging the battery, All the fusees are good and All the wiring...

First check all the conections on and around the regulator rectifier, also alternator, disconect the rectifier, carefully observe the unit for corrosion, and visible damage to the unit like burning to the rear bakalite construction, and the three yellow wires on the unit, the three yellow wires come from the alternator, converting the ac voltage to dc charging the battery via red wire, check the alternator output on the three yellows with the engine running they should all be around the same voltage,

May 03, 2011 | Suzuki Boulevard C90T Motorcycles

2 Answers


White is usually always power FROM the S (Starter) terminal of the Key switch to the clutch pedal switch then on to the start solenoid. For briggs and stratton key switch terminal 4 is used for starter power. The model number you passed is for the engine only.

Without your riding mower model number I can not even begin to guess for sure. If you can locate the mower model number I will look it if and see what I can find.

Tri-circuit Diode Wire

Green Connector

with 2 diodes leading to 1 Red Wire and

1 White Wire

Red Wire = 2-5 Amp DC unregulated for

battery charge
White Wire = 2-5 Amp DC negative for lights

This is the usual wiring off of the QUAD regulator.

Yellow Connector 2 Yellow Wires

White Connector

Black Wire = 8 Amp DC unregulated for lights

Red Wire = 8 Amp DC regulated for battery

Small magnets Quad Circuit
20 Volts AC @ stator

I really need an explantion of where your trying to connect to and from. I am thinking your connecting from the engine alternator. IF you replaced the alternator... depending on which alternator you purchased there is a modification that has to be done to wiring harness of the alternator to the regulator.


Apr 23, 2011 | Garden

1 Answer

2002 honda 1100cc shadow sabre What is the purpuse of the rectifier? Bike runs great for thirty miles on charged battery then quits. While running disc pos. lea to battery an bike quits. should it still...

On motorcycles the regulator/rectifier are usually one unit. The voltage regulator takes the juice coming from the alternator and converts it , usually from a higher voltage, to 12 volts. The rectifier takes any extra power left over from the conversion and dissipates it in the form of heat. Honda motorcycles draw power from the battery to run everything on the motorcycle. When you disconnect the battery it is like turning off the key. If your battery is not charging check the alternator first. Find the plug coming out of the engine with three yellow wires. You should have continuity between any combination of these three wires. You should have no continuity between any of these three wires and ground. If If you get no continuity between any of the yellow wires or you get continuity between a yellow wire and ground , you need a new alternator. If the alternator checks good and the battery passes a load test, then you probably need a new regulator/rectifier.

Jan 27, 2011 | 2002 Honda VT 1100 C2 Shadow Sabre

1 Answer

Honda cb250w 1998 problem with regulator - not sure of the wiring details. Has three yellow wires , a green and a red/white. In Melbourne Australia

The three yellow wires are from the alternator and supply AC voltage. The green should go to earth. The red and white is the 12 volt DC that will go to the starter solenoid/battery connection.

Jan 30, 2010 | Honda CB 250 Motorcycles

1 Answer

Wiring system on GSXR400 gk71b

Hi and welcome to FixYa,

The yellow wires could be interchange. It does not matter which yellow goes to which connector terminal as it is a 3 phase alternator. The voltage regulator has a built-in diode pack that would convert all 3 incoming ACV to a single charging DCV.

It would be normal for them to heat up especially when charging condition. However, on older machines, this is more caused by corroded, tarnished or loose contacts. It would be to your advantage to clean and tighten these connections/connectors.

Good luck and thank you for using FixYa.

May 22, 2009 | 1985 Suzuki GSX-R 750 F

1 Answer

Just changed alternator in 99 Taurus, battery light is still on.

Check with a test light, Power on the main post. Then unplug the three pin connector, you need to test for power to the regulator. I think the wire is green/red. It's not the white wire. The green/red wire is fed from the alt fuse in the underhood fuse box. The white wire is just a jumper wire to the one pin connector next to the three pin. The other wire goes to the light. If one of the pins in the Three pin connector( like i said i think its the green wire) and the main stud both show power, the take the alternator back and get another one.

Mar 03, 2009 | 1989 Ford Tempo

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