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Title: How to change the polarity of a dyno? Post by: TwistedPatience on July 01, 2009, 08:55:26 PM Mate of mine has an old BSA A7 I think and he needs to change the polarity from + earth to negative earth, any one?
I know this can be done by flashing but for the life of me I can't remember how. Title: Re: How to change the polarity of a dyno? Post by: voodoo on July 01, 2009, 10:20:19 PM Oh sheesh I used to do this about 20 years back on Classic cars I had......will have to try to kick start my brain...Voodoo..
Title: Re: How to change the polarity of a dyno? Post by: tbone on July 02, 2009, 07:57:05 AM Fit the dynamo in place, but dont connect the leads, then connect a large cable from the positive side of the battery and touch it several times to the terminal on the dynamo marked F, you`ll see a small harmless spark, hi ho and away you go.
OOOh happy memories of times gone by. Title: Re: How to change the polarity of a dyno? Post by: voodoo on July 02, 2009, 07:57:51 AM Yeah thats the one lol
Title: Re: How to change the polarity of a dyno? Post by: TwistedPatience on July 02, 2009, 12:05:54 PM Thanks TB I knew someone would remember ;D
Title: Re: How to change the polarity of a dyno? Post by: tbone on July 02, 2009, 03:32:11 PM ;)
Title: Re: How to change the polarity of a dyno? Post by: morrag on July 02, 2009, 04:55:44 PM But don't do it with the motor running, and driving the Dynamo! Morrag
Title: Re: How to change the polarity of a dyno? Post by: yanto on August 12, 2009, 09:55:53 AM takes me back to my cortina mk1 loved that car 8)
Title: Re: How to change the polarity of a dyno? Post by: nabsim on September 05, 2009, 04:11:18 PM Just borrowed your answer tbone, someone was asking that exact question on btw forum. Credited you and this post though ;)
Title: Re: How to change the polarity of a dyno? Post by: tbone on September 05, 2009, 05:17:50 PM No problem sir. Always happy to spread my stoopidness ;D, and as long as the triple M site gets credit for any info used from it then i`m happy. ;)
Title: Re: How to change the polarity of a dyno? Post by: Manky Monkey on September 06, 2009, 08:21:41 AM Thanks TB, but it's your cleveryness, we just show it to the World.
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