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General Category => General Discussion => Topic started by: NCAmother on July 29, 2022, 08:56:36 PM

Title: Need help wiring distributor BB
Post by: NCAmother on July 29, 2022, 08:56:36 PM
I’m moving  from my dyna III ignition back to a points ignition.   My distributor is currently just a housing for the dyna sensor plate (original points plate removed).  I’ll need to buy another distributor or rebuild the one I have. Can anyone advise me how to wire the points  distributor to the coils? I’m running two dyna 5 ohm coils.  Thanks in advance.
Title: Re: Need help wiring distributor BB
Post by: Antietam Classic Cycle on July 29, 2022, 09:09:36 PM
Red wire to right cylinder coil, green to left. Wires from "distributor" connect to the - (negative) side of the coil.
Title: Re: Need help wiring distributor BB
Post by: n3303j on July 29, 2022, 09:24:54 PM
Red wire to right cylinder coil, green to left. Wires from "distributor" connect to the - (negative) side of the coil.
Any info as to who has the best points for the T3. Found a lot that were badly aligned and flimsy. Found others that the rubbing blocks wore excessively in 400 miles. I have an original Magneti Marelli set but at 80K miles they are getting a bit thin.
Title: Re: Need help wiring distributor BB
Post by: centauro on July 30, 2022, 05:58:01 AM
If your main harness under the tank has not been messed with, you'll probably find a red and a green wire with terminals still attached that are connected to the points/condensers wires, as Charlie says above.
Title: Re: Need help wiring distributor BB
Post by: czakky82 on July 30, 2022, 06:46:06 AM
Any info as to who has the best points for the T3. Found a lot that were badly aligned and flimsy. Found others that the rubbing blocks wore excessively in 400 miles. I have an original Magneti Marelli set but at 80K miles they are getting a bit thin.

The pricier ones from MGcycle held up real well for me. I find it not uncommon for new points to bed in, in the first few hundred miles. After that pretty reliable.
Title: Re: Need help wiring distributor BB
Post by: Antietam Classic Cycle on July 30, 2022, 08:15:06 AM
The pricier ones from MGcycle held up real well for me. I find it not uncommon for new points to bed in, in the first few hundred miles. After that pretty reliable.

Plus it helps to use a dedicated point grease to lube the cam. I have a 30+ year old tube of Bosch Distributor Grease and it should last me the rest of my days. "A little dab will do ya". Since the Bosch stuff seems to be NLA, Super Lube 2 would be my second choice.
https://www.euromotoelectrics.com/product-p/cs-lubetube.htm
Title: Re: Need help wiring distributor BB
Post by: czakky82 on July 30, 2022, 09:12:04 AM
Embarrassingly I’ve only ever used whatever thick grease I have around… :embarrassed:
Title: Re: Need help wiring distributor BB
Post by: kballowe on July 31, 2022, 08:12:52 AM
Here's some Bosch distributor cam grease on Ebay.

https://www.ebay.com/itm/114242678215?chn=ps&norover=1&mkevt=1&mkrid=711-213727-13078-0&mkcid=2&itemid=114242678215&targetid=4580153136941822&device=c&mktype=&googleloc=&poi=&campaignid=437225723&mkgroupid=1224856224320864&rlsatarget=pla-4580153136941822&abcId=9300907&merchantid=51291&msclkid=0b49a0d06ce61c6892c9c236139e1d9b (https://www.ebay.com/itm/114242678215?chn=ps&norover=1&mkevt=1&mkrid=711-213727-13078-0&mkcid=2&itemid=114242678215&targetid=4580153136941822&device=c&mktype=&googleloc=&poi=&campaignid=437225723&mkgroupid=1224856224320864&rlsatarget=pla-4580153136941822&abcId=9300907&merchantid=51291&msclkid=0b49a0d06ce61c6892c9c236139e1d9b)
Title: Re: Need help wiring distributor BB
Post by: NCAmother on July 31, 2022, 10:36:49 PM
Red wire to right cylinder coil, green to left. Wires from "distributor" connect to the - (negative) side of the coil.
Thanks.  Do I use a blue/black jumper wire between coils?
Title: Re: Need help wiring distributor BB
Post by: moto-uno on August 01, 2022, 12:21:32 AM
  If you have a separate power (+) to each coil , then there's no need for a jumper . Peter
  (pm me if you want a brief explanation of ign. basics)
 
Title: Re: Need help wiring distributor BB
Post by: Antietam Classic Cycle on August 01, 2022, 08:35:02 AM
Thanks.  Do I use a blue/black jumper wire between coils?

Yes, between the + terminals of the coils.