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wiring diagram confusion?
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lewis666
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November 17, 2012 - 3:37 pm
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hello all,

 

i am currently looking at the wiring diagram for my bantam as it is in need of rewiring. i will be fitting the rooster ignitions regulator and rectifier and will be using their wiring diagram. however looking at the diagram there is a few things got me scratching my head. i have placed a blue circle on the wiring diagram below in areas where i am confused. the red wire at the bottom goes no where and the H in the box between the horn and battery confuses me?

 

http://i881.photobucket.com/albums/ac14/lewis8ight/bsa%20bantam/bantammagdynobattery_rr.gif

 

any ideas?

 

many thanks

 

lewis

1951 BSA Bantam D1

1952 BSA C11

1948 Velocette MAC

1928 Ariel model B

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mike p5xbx
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November 17, 2012 - 4:09 pm
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the brown H is a double connector, ie they are all joined together

the Dark red from the switch is not connected it would have gone to the generator, but you will now join the dark red and green together.

 

mike

D? - D10- D14 Bantams 350 AJS -500 Triumph http://bsanotru.....lfire.com/

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Peterg
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November 17, 2012 - 6:21 pm
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The dark red is the 'high' output from the generator which powered the headlight. With your diagram the red and green have been joined together to make a full output generator and fed through a rectifier/ controller which will control the amount of power entering your system. You are correct, the dark red cable is now redundant.

 

The original rectifier could not cope with the high output (talking alternators now) and they did not have a system of controlling output. If the generator was allowed to produce full output without a compensating load the battery would boil. To overcome this they used switching control so that sets of coils were switched in as more equipment (headlamps) were used.

 

If the headlamp does not work (from memory it needed the engine running) join the dark red cable to the brown block (other blue circle).

 

Peter

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mike p5xbx
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November 18, 2012 - 12:19 am
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Peterg said
If the headlamp does not work (from memory it needed the engine running) join the dark red cable to the brown block (other blue circle).

But only if its November the 5th and you have not bought any fireworks
 

mike

D? - D10- D14 Bantams 350 AJS -500 Triumph http://bsanotru.....lfire.com/

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lewis666
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November 18, 2012 - 3:43 pm
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hello all,

 

thanks for the info i will report back if i have any problems. headlight shell and tool box need some welding and repainting before the rewire begins. 

 

many thanks

 

lewis

1951 BSA Bantam D1

1952 BSA C11

1948 Velocette MAC

1928 Ariel model B

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Peterg
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November 19, 2012 - 10:44 am
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The spare dark red, not the one out of the generator

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mike p5xbx
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November 19, 2012 - 3:38 pm
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Peterg said
The spare dark red, not the one out of the generator

NO!
with the wiring diagram the OP is working from
with the light switch in the H position and the engine running the Dark Red would be connected to the Light Green, so the full "AC" output would be feed to the battery
without the engine running and the light switch in that position the DC output of the battery would be feed through the lighting coils to earth, and the AC in of the regulator which would more then likely kill them both.
If you disconnected the Light green at the light switch the Dark Red would not connect to any other wire in the harness no matter in which position the switch was in, so quite pointless connecting it to the Brown battery H connection block.

age1.jpg

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lewis666
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November 20, 2012 - 10:53 am
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Hello all,

To throw a spanner in the works I will not be using the standard headlamp switch. Looking through my spares and I have found the original remote controlled switch with lever, cable and holder. Trying to keep originality I have to decided to use it instead of the wipac switch. I have drawn up a wiring diagram for the switch however my confusion is the power to the switch?

Looking at the diagram for the conventional wipac switch there are two wire coming from the regulator recifier, a light green and brown. Which one should be used to power the switch and what can I do with the other wire? I have attached a couple of pictures of my plan for the switch.

http://i881.photobucket.com/albums/ac14/lewis8ight/image.jpg

http://i881.photobucket.com/albums/ac14/lewis8ight/image-1.jpg

http://i881.photobucket.com/albums/ac14/lewis8ight/image-2.jpg

http://i881.photobucket.com/albums/ac14/lewis8ight/image-3.jpg

Many thanks

Lewis

1951 BSA Bantam D1

1952 BSA C11

1948 Velocette MAC

1928 Ariel model B

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mike p5xbx
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November 20, 2012 - 3:51 pm
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lewis666 said
Hello all,

To throw a spanner in the works I will not be using the standard headlamp switch.

Oh...........
this is roughly how you will need to wire it.

Genimag1.jpg

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lewis666
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November 20, 2012 - 6:07 pm
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Hello there,

So the brown wire is used as the power source and the green goes either side of the coil?

Many thanks

Lewis

1951 BSA Bantam D1

1952 BSA C11

1948 Velocette MAC

1928 Ariel model B

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mike p5xbx
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November 21, 2012 - 12:02 am
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Yes the coil being the Generator, you will have two or three lighting coils in there which will need to be wired in series or parallel.

 

D? - D10- D14 Bantams 350 AJS -500 Triumph http://bsanotru.....lfire.com/

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lewis666
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November 21, 2012 - 7:23 am
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mike p5xbx said

Yes the coil being the Generator, you will have two or three lighting coils in there which will need to be wired in series or parallel.

 

Hello there,

Thanks for all the advice given so far. What will the wiring diagram look like for the generator then as the main wiring diagram doesn't show much detail (where the lighting coils connect etc.)?

Also I would like to fit a small toggle switch which will cut the power and prevent people tampering and say turning the lights on and draining the battery as it has happened to my dads BSA B31 years ago

Many thanks

Lewis

1951 BSA Bantam D1

1952 BSA C11

1948 Velocette MAC

1928 Ariel model B

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mike p5xbx
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November 21, 2012 - 3:29 pm
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lewis666 said

Also I would like to fit a small toggle switch which will cut the power and prevent people tampering and say turning the lights on and draining the battery

 

 

I cant really help with the lighting coil wiring its been 30+ years since i last had anything to do with the Wipac S55 and i am assuming you have wipac and not the Lucas type, im sure someone else who is familiar with its wiring colours will help.

the battery isolating toggle switch will need to be a double pole double throw (DPDT) type you need to prevent the engine being started with the battery disconnected as a no load output on the regulator could kill it.  
 switch-contact-1.jpg

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lewis666
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November 21, 2012 - 4:06 pm
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Hello there,

Thanks very much for the info. On the diagram for the toggle switch you show a wire coming from the contact points would I use one of the current wires from the generator such as the green or white? Or will I have to run a separate wire from the connection between the condenser and points?

Many thanks

Lewis

1951 BSA Bantam D1

1952 BSA C11

1948 Velocette MAC

1928 Ariel model B

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mike p5xbx
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November 22, 2012 - 3:44 pm
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lewis666 said 

Or will I have to run a separate wire from the connection between the condenser and points?

Wire to points is a new separate one, connect it to the same screw as the condenser wire.
make sure to connect the other side of the kill switch terminal to a good earth.

one thing i should have said,  DPDT switches are available in two types, two position ON/ON  which is what you need like this.

** Please log in to view **

and 3 position ON/OFF/ON dont get this type.

 

Mike

D? - D10- D14 Bantams 350 AJS -500 Triumph http://bsanotru.....lfire.com/

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lewis666
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November 22, 2012 - 4:28 pm
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Hello there,

Thanks very much for all the help. I am currently drawing up a complete diagram with all the modifications. This is the first time re wiring a bike so it is all new to me, sorry for so many question smile

Many thanks

Lewis

1951 BSA Bantam D1

1952 BSA C11

1948 Velocette MAC

1928 Ariel model B

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lewis666
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November 22, 2012 - 7:38 pm
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hello all,

 

i have drawn up a diagram with all modifications and i think it is all correct. my only confusion is where to connect the second green wire? which terminal in the generator? 

 

http://i881.photobucket.com/albums/ac14/lewis8ight/bsa%20bantam/bantamdiagrammodified.gif

 

many thanks

 

lewis

1951 BSA Bantam D1

1952 BSA C11

1948 Velocette MAC

1928 Ariel model B

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mike p5xbx
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November 23, 2012 - 3:43 pm
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Almostsmile

 

bantamdiagrammodified1.jpg

you still need to verify the wiring within the generator so that it is correct with the numbers shown on your diagram.
i suggest you ask a new question (topic) so someone else who has fitted an RR to the S55 generator can answer.

 

Mike

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lewis666
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November 23, 2012 - 4:33 pm
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Hello,

Thanks for all the help mike, thanks for helping so much. I will start a new topic and maybe send an email to rooster ignitions and see what they have to say.

Many thanks

Lewis

1951 BSA Bantam D1

1952 BSA C11

1948 Velocette MAC

1928 Ariel model B

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mike p5xbx
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November 23, 2012 - 11:38 pm
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Glad to have helped
good luck in getting your D1 on the road.

 

Mike

D? - D10- D14 Bantams 350 AJS -500 Triumph http://bsanotru.....lfire.com/

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