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The 2-Stroke Garage => Turning Wrenches => Topic started by: Gil Gallad on March 13, 2024, 05:32:03 PM

Title: help with solid state reg/rec
Post by: Gil Gallad on March 13, 2024, 05:32:03 PM
mate is having tremendous problems with the wiring on his air cooled rd250. with a new 5 wire reg/rec on it he can work out where those wires go, but what now feeds the green wire that goes to the points? a wiring diagram would be most useful before he drives me mad. many thanks for any help  :wave:
cheers, gil.
Title: Re: help with solid state reg/rec
Post by: Gil Gallad on March 14, 2024, 08:47:39 AM
basically, we need to know where the green wire that used to come from the generator to the regulator now go? or what it actually does. the wiring diagram for his bike is no help at all  :huh:
cheers, gil.
Title: Re: help with solid state reg/rec
Post by: m in sc on March 14, 2024, 10:18:31 AM
where did the solid state come from. ? it matters. honda , for example, uses green as earth. typically, on a solid state regulator for an exited field system like the rds has, its 3  yellow wires, stator. then:  IF honda protocol, black is switched 12v, red is battery, and green, if it has it, is earth. white as field (or the green rd wire).

5 wire probably ISN'T for an exited field, you need 6 wire. the green wire is what turns on the electromagnet on the rotor to actually get it to charge. 5 wires, typically, are for permanent magnet systems. .02

Title: Re: help with solid state reg/rec
Post by: Gil Gallad on March 14, 2024, 11:19:20 AM
thanks mark, i'll relay that information to him. the 3 phase reg/rec he's using afaik is just a universal, which i think is the same as i had on my gt550 or 750. 3 yellow wires, a red and a black. unfortunately he's one of these people that wiring frightens to death and basically all he wanted to do was get rid of his old regulator and rectifier and fit an up to date reg/rec  :like:
cheers, gil.
Title: Re: help with solid state reg/rec
Post by: m in sc on March 14, 2024, 12:23:50 PM
this will work for sure.

https://4into1.com/regulator-rectifier-lithium-lead-acid-honda-cb350f-cb400f-cb500-cb550-cb750/

green: ground. black: 12v switched, red: battery. white: to rd green brush wire.
Title: Re: help with solid state reg/rec
Post by: Gil Gallad on March 14, 2024, 01:40:39 PM
many thanks again  :thumbs:
cheers, gil.