wiring diagram 1971 Bonneville OIF - Triumph Forum: Triumph Rat Motorcycle Forums

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post #1 of 5 (permalink) Old 09-13-2010, 06:40 PM Thread Starter
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wiring diagram 1971 Bonneville OIF

If possible please answer a basic question Triumph Bonneville 1971 OIF

The bike has a large starting condenser on it.

The condenser has 3 wires attached, ground, negative which goes to the rectifier at the middle connection

The last wire is also a negative but to where is it attached?

The wiring diagram does not does not show the condenser, but the manual describes it, and it's function

I would like wiring diagram that covers everything and is better than the one in the manual
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post #2 of 5 (permalink) Old 09-13-2010, 06:59 PM
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For your older Triumph you might want to try posting in the Classic and Vintage Forum at:

http://www.triumphrat.net/classic-vintage-and-veteran/

You'll have a much better chance of getting your answer for your vintage Triumph.

Good luck!

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post #3 of 5 (permalink) Old 09-14-2010, 06:13 PM
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Hi Dennie,
Welcome to the forum
Have a look at this thread, there are a couple of links that include wiring diagrams of the 2MC capacitor you describe.
http://www.triumphrat.net/classic-vi...lator-huh.html

If you intend running the bike with a battery you don't really need it.

I hope this helps

Webby
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post #4 of 5 (permalink) Old 09-17-2010, 05:00 PM
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Wiring Easy?

The Haynes book is OK for wiring diagrams but a big help to me was the "Building Budget Brits" book. Bumping that against the 1971 shop manual helped a lot. Enjoy the world of positive ground!
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post #5 of 5 (permalink) Old 09-18-2010, 06:55 AM
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Quote:
Originally Posted by Webby View Post
Hi Dennie,
Welcome to the forum
Have a look at this thread, there are a couple of links that include wiring diagrams of the 2MC capacitor you describe.
http://www.triumphrat.net/classic-vi...lator-huh.html

If you intend running the bike with a battery you don't really need it.

I hope this helps

Webby
Webby is correct, a 12v source makes it redundant, however, what happens when the 12v source is not available? For most owners, its a call home for the pick up truck.

I'd suggest you place the 2MC on a circuit with an isolating switch. This leaves the capacitor "dormant" when the battery is good, and then with a flick of the switch you'll have ignition power when that battery dies on you away from home. RR

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