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71 Lighting wiring diagram? #345409
11/27/10 8:18 pm
11/27/10 8:18 pm
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Ilanidrac Offline OP
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Hey guys,

I am trying to wire my 71 A65L, but the wiring diagram in my book is pretty bad, on top of the wires themselves having been messed with before it seems. on top of that, my diagram is missing things, like the 3 indicator lights on the top of the headlight (neutral and etc), colors that don't exist anywhere, and stuff like that.

Does anybody have a wiring diagram for this bike thats not from the Haynes manual?

Thanks for any help


1971 BSA Lightning
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Re: 71 Lighting wiring diagram? [Re: Ilanidrac] #345411
11/27/10 8:45 pm
11/27/10 8:45 pm
Joined: Oct 2001
Posts: 529
Norway
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There are no bosses in a technical discussion
(Doug Hele, 1919 - 2001)
Re: 71 Lighting wiring diagram? [Re: Ilanidrac] #345431
11/28/10 12:00 am
11/28/10 12:00 am
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Ilanidrac Offline OP
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I actually need the entire wire diagram for everything too if at all possible frown


1971 BSA Lightning
Re: 71 Lighting wiring diagram? [Re: Ilanidrac] #345458
11/28/10 4:57 am
11/28/10 4:57 am
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Last edited by LarryLebel; 11/28/10 4:58 am.
Re: 71 Lighting wiring diagram? [Re: Ilanidrac] #345461
11/28/10 7:05 am
11/28/10 7:05 am
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DavidP Offline

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The links provided by our helpful friends are exactly what you get in the factory manual.
That's all there is, there ain't no more.

Feel free to ask questions, we've all been there.


Stepping on others doesn't make you stand tall.

71 A65L "Zelda"
92 BMW K100rs "Gustav"
72 T120V cafe project "Mr. Jim"
72 T150V yet to be named
Re: 71 Lighting wiring diagram? [Re: Ilanidrac] #345472
11/28/10 11:16 am
11/28/10 11:16 am
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Posts: 10,240
Scotland
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Stuart Offline
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Hi,

Originally Posted By: Ilanidrac
the 3 indicator lights on the top of the headlight (neutral and etc),

Just a thought - are you looking at a green indicator light and assuming it's 'neutral'? If so, 'fraid not, it's the headlamp main beam indicator.

Hth.

Regards,

Re: 71 Lighting wiring diagram? [Re: Stuart] #345502
11/28/10 4:16 pm
11/28/10 4:16 pm
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Ilanidrac Offline OP
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Originally Posted By: Stuart
Hi,

Originally Posted By: Ilanidrac
the 3 indicator lights on the top of the headlight (neutral and etc),

Just a thought - are you looking at a green indicator light and assuming it's 'neutral'? If so, 'fraid not, it's the headlamp main beam indicator.

Hth.

Regards,


Good thing I asked then, i just assumed it was neutral. This is going to be a project lol, I'll see how I do and if it gets too terrible i will try and get some pics up of what I have.

Thanks for the input smile


1971 BSA Lightning
Re: 71 Lighting wiring diagram? [Re: Ilanidrac] #345510
11/28/10 5:34 pm
11/28/10 5:34 pm
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Gnashville
DavidP Offline

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Many of us have been there before, DPO mangled the wires and left us with a mess. Lucky for us almost all British wiring after 68 or 69 is virtually identical. The same color codes are used for the same circuits on all road machines.
www.Britishwiring.com can supply the correct color wires.

BTW: The other two lights? Yellow is turn signals, red is oil pressure.


Stepping on others doesn't make you stand tall.

71 A65L "Zelda"
92 BMW K100rs "Gustav"
72 T120V cafe project "Mr. Jim"
72 T150V yet to be named
Re: 71 Lighting wiring diagram? [Re: Ilanidrac] #345515
11/28/10 6:24 pm
11/28/10 6:24 pm
Joined: Feb 2004
Posts: 1,956
Flint,Mich
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Because of the sharp edges around the tool box and coil support bracket wiring a 71 and on bike can have a few lessons hiding. It is very easy to route the wires in a way that looks good and makes sense but still have them become frayed or loosen during running of the bike. Keep a close eye on things when you begin to run the bike. It has taken me a few bikes with upwards of a 1000 miles to get things just how they will work without damaging themselves.


norbsa
1960 TR6
1963 Super Rocket
1965 650 Star
1966 441
1968 Thunderbolt
1969 Twinkle 250
1972 Fastback
1974 Roadster
1970 S.S
Way too many BSA's not named
http://decentcycles.com
Re: 71 Lighting wiring diagram? [Re: Ilanidrac] #345526
11/28/10 7:35 pm
11/28/10 7:35 pm
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Ilanidrac Offline OP
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Yea, I figured red was oil and yellow was the signals. I think I have most of it worked out, I just need to get a battery to really test it all. After that, I will be sure to route carefully avoiding spots that will fray the wires as you say.


1971 BSA Lightning
Re: 71 Lighting wiring diagram? [Re: Ilanidrac] #345721
11/30/10 3:36 am
11/30/10 3:36 am
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Ilanidrac Offline OP
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Another quickie for you guys.

I got my gas tank and the 2 mounting rubbers, but it doesn't look like it fits right.

Where exactly do the mounting rubbers actually sit on the frame? It seems like they make the tank sit a little to high. I got the correct ones from the part number in the parts book.

I'll try to get a pic of what I mean up if I get a chance tomorrow.

Thanks!!


1971 BSA Lightning
Re: 71 Lighting wiring diagram? [Re: Ilanidrac] #345728
11/30/10 4:08 am
11/30/10 4:08 am
Joined: Feb 2004
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Flint,Mich
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I have given up on those 15 years ago and make my own. Up front you need all the rubber you can take for height and still have the handle bars clear at full lock. At the rear just make it look right on the bike letting the front shim do it's thing. Set each rubber just 5 inches out from the center hold down and glue them to the frame. Remember that snuggling down the bolt will lower the tank some. You need the room down underneath were unseen things will find their way into the tank as you ride.


norbsa
1960 TR6
1963 Super Rocket
1965 650 Star
1966 441
1968 Thunderbolt
1969 Twinkle 250
1972 Fastback
1974 Roadster
1970 S.S
Way too many BSA's not named
http://decentcycles.com
Re: 71 Lighting wiring diagram? [Re: Ilanidrac] #345735
11/30/10 5:08 am
11/30/10 5:08 am
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Ilanidrac Offline OP
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Nice, thanks for the advice. I will give that a shot and see if I can make it look nice.

I made a blog if you guys were interest in seeing progress we have made. Go here (http://psycleshack.wordpress.com/) and click on BSA on the left margin under builds.

We had the bike for about a month, and you can see the progress. It's not a professional restoration, more like a rebuild to make it a rider.

(The image in the margin on the left if my father from his motocross racing days)

Lemme know what you guys think! And subscribe if you like smile

Last edited by Ilanidrac; 11/30/10 5:12 am.

1971 BSA Lightning
Re: 71 Lighting wiring diagram? [Re: Ilanidrac] #345741
11/30/10 7:51 am
11/30/10 7:51 am
Joined: Oct 2008
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Gnashville
DavidP Offline

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I see what you mean about the tank, they can be a bit of trouble to get right. Looks to be a bit high at the back. Perhaps if you move that rubber back on the frame a bit?
I know mine always seemed to fit tight on the rear rubber. I shave that one just a bit with a razor knife at the corners.

Good to see you're making progress.


Stepping on others doesn't make you stand tall.

71 A65L "Zelda"
92 BMW K100rs "Gustav"
72 T120V cafe project "Mr. Jim"
72 T150V yet to be named
Re: 71 Lighting wiring diagram? [Re: Ilanidrac] #345869
12/01/10 5:06 am
12/01/10 5:06 am
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Ilanidrac Offline OP
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I played with it a bit, got it to look decent, but I will probably wind up shaving a little off the rubber.

Tanks isn't going on for real for a while still. Gotta fix some of the wires and do some other etc work first.

So far it still looks like I can at least try starting it up some point in December.

I will definitely take a video of that to show you guys.


1971 BSA Lightning
Re: 71 Lighting wiring diagram? [Re: Ilanidrac] #346851
12/07/10 12:19 am
12/07/10 12:19 am
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Ilanidrac Offline OP
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Hello again guys, a few more electrical related questions.

I am at the point where I am going to need to test my wiring, and was just curious if I can just pick up a battery for this bike at a automotive store. Is there a specific number battery I need? Also, the light bulbs for the tach, speedo, and headlamp, are they something I can pick up at an automotive place, or are the special bulbs?

On a side note, how do you remove the speedo drive from the rear wheel? Does it just pry off? The hub need to come apart, and I don't want to force anything. Also, the bearing needs to be removed on the rear wheel, but the locking ring on the left side seems to be seized in place. Any easy way to remove it that you guys know of?

As always, thanks for the help and you guys absolutely rock!!


1971 BSA Lightning
Re: 71 Lighting wiring diagram? [Re: Ilanidrac] #346872
12/07/10 2:12 am
12/07/10 2:12 am
Joined: Feb 2004
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Flint,Mich
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Flint,Mich
A 12/n is the size 7AMP hr is the rating Get a AGM.
I can get the bulbs at my store they are old school folks.
If you have the wheel droped out and the spacer out of the way than yes it should just lift off maybe a little wiggle not a pry or some things wrong.


norbsa
1960 TR6
1963 Super Rocket
1965 650 Star
1966 441
1968 Thunderbolt
1969 Twinkle 250
1972 Fastback
1974 Roadster
1970 S.S
Way too many BSA's not named
http://decentcycles.com
Re: 71 Lighting wiring diagram? [Re: norbsa48503] #346897
12/07/10 7:18 am
12/07/10 7:18 am
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Sydney Australia
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Do some thing unBritish bike rider and shell out a little more for a quality item.
The brand is not important but the type of battery is.
You should fit either a PressureValve regulated sealed lead acid battery or even better still a spiral wound pressure valve regulated lead acid battery.
Fit it , paint over the terminals with liquid electrical tape then forget about it for the next 10 to 15 years


Bike Beesa
Trevor
Re: 71 Lighting wiring diagram? [Re: Ilanidrac] #346900
12/07/10 8:25 am
12/07/10 8:25 am
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Gnashville
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While you can usually find a lead/acid 12N7 battery at the auto parts store, you will be better served with the above suggestions. AGM batteries are more expensive, but last longer and don't drip.

The instrument lamps are pretty common and available at parts stores. The main headlight lamp is not.

Yes, the speedo drive just wiggles off unless the tangs for the drive ring are damaged.
I've never had the luxury of using the correct tool to remove that bearing retainer. WD40, heat and a center punch always worked for me. At least that one is a normal right-hand thread.


Stepping on others doesn't make you stand tall.

71 A65L "Zelda"
92 BMW K100rs "Gustav"
72 T120V cafe project "Mr. Jim"
72 T150V yet to be named
Re: 71 Lighting wiring diagram? [Re: Ilanidrac] #347019
12/08/10 12:01 am
12/08/10 12:01 am
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Ilanidrac Offline OP
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Ok, thank you for the suggestions guys. I am going to try to get that stuff of my rear wheel throughout this week, and see if I can find some of those bulbs in my travels over the next few days!

I'll let you know what happens!

Thanks again!


1971 BSA Lightning
Re: 71 Lighting wiring diagram? [Re: Ilanidrac] #347345
12/10/10 1:45 am
12/10/10 1:45 am
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Ilanidrac Offline OP
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Got another question for you guys! Hope you aren't getting sick of me lol.

I put the appropriate oils in the correct amounts in the correct places into the engine a few days ago, and this is where my question comes in.

The engine oil (going in the frame) seems to almost just be disappearing, for lack of a better way to explain it. I had it full up to the little bar the dipstick is supposed to hang (I dont have the dipstick), and I cranked it over with no battery or anything, just to get the oil flowing.

The oil level has gone way down over the last two days. Is this just because the lines are filling? Or is this going to be a problem? There is NO LEAK on the bike. How far down should the oil be in the frame?

I hope this isn't a huge deal, but I guess I will find out.

Thanks again guys.


1971 BSA Lightning
Re: 71 Lighting wiring diagram? [Re: Ilanidrac] #347379
12/10/10 10:59 am
12/10/10 10:59 am
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Sydney Australia
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It is going into your sump.
When you try & kick the bike over it will feel a lot heavier under foot.
It is not a disasterious problem in itself but can be a sign that the oil pump is on it's way out.
Do not add any more oil to the bike until after you start it and let it run for 10 minutes or so.
The magic words are "wet sumping"
Search the list for those two words, buy a case of good port and settle down for a long read.


Bike Beesa
Trevor
Re: 71 Lighting wiring diagram? [Re: Ilanidrac] #347417
12/10/10 4:51 pm
12/10/10 4:51 pm
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Ilanidrac Offline OP
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I looked up wet sumping just to get an idea of what was going on before I delve further into it later on, and this is what I found.

Somebody had said that the ball check not seating properly was an issue with a 70 Lightning. This is the thread here, its the last post: http://www.jockeyjournal.com/forum/showthread.php?t=72454

Does this sound like a possibility?


1971 BSA Lightning
Re: 71 Lighting wiring diagram? [Re: Ilanidrac] #347942
12/14/10 8:09 am
12/14/10 8:09 am
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The check valve sticking usually gives you grief while you are riding and oil will pour out of the engine every where.
Oil vanishing while the bike standing is coming down via either a crack in the feed system or excessivly worn pump


Bike Beesa
Trevor
Re: 71 Lighting wiring diagram? [Re: Ilanidrac] #348219
12/16/10 12:24 am
12/16/10 12:24 am
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Ilanidrac Offline OP
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Ok, so I measured the amount of oil that came out after removing the sump cover. It was 12oz (.375q), and that seemed to be almost exactly what was missing.

After that, I took off the oil pressure release valve plug to see what was behind it. This is the confusing part now. Behind this plug, there was a spring, and the the Haynes book it shows this spring. Haynes book also shows a ball,which was NOT there.
In contrast, my parts book shows this plug as one piece, with NO spring or ball behind it.

I assume there should be a ball? If so what size is it?

I will probably be taking a look through the oil pump sometime soon, but I am hoping that isn't it. The bike only has just under 8,000 original miles on it.

Does this sound like a big problem? I am at a point where it will be fixed either way, but I want to get an idea what I am in for since I haven't worked on a bike like this before.

As always, thanks for the huge help, I can't wait to post some vids of it running for you guys to see smile


1971 BSA Lightning
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