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Wiring for Briggs & stratton ride on mower model 402707, type 1240-01, engine no: 9504255A 3 wires coming from engine, 1 black and 2 white. where do they go for starting and charging?

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Check out this Briggs and Stratton manual and see if it helps you sort things out:

http://www.mymowerparts.com/pdf/Briggs%20&%20Stratton%20Service%20and%20Repair%20Manuals%20Spec%20Charts/alternator_replacement%20with%20wiring%20diagrhams.pdf

Usually alternator wires are red and black. They also have an AC output that goes to a rectifier to make DC.

This is the standard B&S ignition:

http://www.mymowerparts.com/pdf/Briggs%20&%20Stratton%20Service%20and%20Repair%20Manuals%20Spec%20Charts/ignition_wiring%20basic%20wiring%20diagram%20BRIGGS%20&%20STRATTON.pdf

White wires can be for headlights or ignition kill. WHITE / Light wires usually come from the battery positive post.

Thanks for Choosing FixYa,

Kelly

Posted on Oct 09, 2010

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I have a charging problem with JD L155c lawn tractor. The battery is new and the voltage to the battery is 12 volts. Not enough to charge the battery. How do I check the ac voltage & what should the...


There are several possible Mowers of the "L" 155 versions.
John Deere LA155 garden tractor lawn mower. These stopped being made in 2010 (they started production in 2009, and so enjoyed a run of 2 years on the assembly lines). The JD LA155 is powered by a Briggs and Stratton 2 cylinder, V twin engine. This engine is 0.656 liters (40 cubic inches) in size and produces 22 hp.

1998 - 2001 LT Series
John Deere LT155 Engine: Kohler 1-cyl gasoline

2006-2006 L155c, This series was produced only in 2006.
Briggs & Stratton gasoline, 2-cylinder air-cooled, 724 cc [44.2ci ], 25 hp

Model 445777-0168E Code 021125YC, these are the engine numbers from a 25 hp twin cylinder, B&S.

Notes on these engines from parts supplier ereplacementparts.com:
Briggs and Stratton 445777-0231-E1 Engine: The proper flywheel part number and/or the alternator magnet size will determine the alternator type or output.

This 25 hp engine has 3 different possible alternators, standard circuit, dual circuit, tri-circuit. I would need the exact engine model numbers in order to precisely answer your question. Often mower models have choices for the engine they come with. In this situation the engine model is more important than the model of the mower.

Testing an alternator is fairly simple; all you need is a multimeter for testing.
  1. Disconnect connector from stator.
  2. Set multimeter for AC volts.
  3. Attach RED test lead to either pin on stator side of stator connector. (On single wire leads, attach RED test lead to the single pin.)
  4. On two wire lead models, attach Black test lead to the other pin. On single wire stator connectors attach the Black test lead to the engine ground.
  5. Prepare the lawn tractor for engine start (set parking brake, blade off, etc). Start engine and run at full throttle.
  6. Check output. Output for engines of this general size run in the 30 to 50 volt range. For instance the B&S V twin 22 hp AC output at full throttle is 30 Volts minimum. Other B&S on these machines spec 40 Volt minimum.
If your voltages are not in the manufacturers range, or non-existent, your stator is partly shorted or completely burnt out (open circuit). Either way you have to replace it.

A. In the picture is a single lead stator connector.
B. In the picture is a two wire stator connector.
25576096-4l1urzt5ysxbk0em2umcwdes-5-3.jpg

Mar 15, 2015 | Garden

1 Answer

Need to know how to wire a coil on a Diamond I/C 20 hp briggs & stratton motor


Black wire should be an earth for the stop switch. needs to be attached to the switch but not directly to earth

Apr 20, 2013 | Briggs & Stratton Garden

1 Answer

Engine wont fire....


There should be 1 black wire that grounds the coil(s) for kill. Be sure this black wire is not grounded when switch is in on or start position. It will be connected to the coil(s) at the flywheel.

Feb 10, 2013 | Snapper 21 hp* Briggs & Stratton...

1 Answer

Need a wiring diagram for a briggs and stratton model 402707 type 136 01 twin cyl


This is an opposed twin, correct?
Just wondering because I have a 19.5 opposed twin(Same exact motor, just badged differently)
I could possibly snap a few pictures for you, if that would be of any help!
Mine is on a craftsman lawn tractor though.
from memory there two wire connectors at the from of my motor One two prong connector(with red and black wires), and a one prong connector(with a black wire)
The red and black is your stattor(I know for sure), the other wire i believe is just for all the safety switches, Ill have to check that out sometime tomorrow, to find out for sure!

May 30, 2012 | Garden

1 Answer

I just need to know where to find a wiring diagram for a briggs and stratton 9 hp engine, model 28a707 type 0122-02


There realy isn't a 'wiring diagram' for this engine. Are you looking for an 'illustrated parts list' perhaps? If so, go to ... http://www.partstree.com/parts/.... scroll down to Engines, click on Briggs and Stratton, then enter the model # and type # on the left. Leave out the word 'TYPE'... just put a - between the model, type and trim numbers. The parts are available anywhere. This site is just a good reference for mowers and engines diagrams..Hope that helps.........

Aug 14, 2011 | Garden

2 Answers

I HAV A MURRY RIDER.M/N 42A707 TYOE1653-01.WIRED FROM BATTERY TO STARTER.STARTS AND RUNS.NO OTHER WIRES R HOOKED UP.I WOULD LIKE 2 HOOK UP ALTINATER.I HAVE A WHITE WIRE AND 2 BLACK.1 WENT 2 SAFTY.DO I HOOK...


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.


Kelly

Apr 23, 2011 | Garden

1 Answer

Can't find oil filter model


there's 2 possible models... depends on the length of the filter..
one is 2 1/4" long Model no.492932 and the 3 1/4" is no. 491056
you should be able to order online at briggsandstratton.com

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