pjw123 Posted November 15, 2018 Report Share Posted November 15, 2018 Been asked to sort out an old Pro !!!. (helping out a new start.) Has overheated. Fan & Stat tested out OK. Original Leonelli Fan AC/DC Rectifier u/s. (White 3 pin connector, Black / Red/ Yellow-earth). Replacement has arrived with a black 2 pin connector (black/ red, plus a single yellow (spade), & single white (bullet) wire. Kokusan wiring diag as per original Rectifier, so new Rec is a bit different. Single Yellow looks to be switched signal from stat, as per original, ( spade connector will hook up with original blue (!!!) wire from stat as per diagram. White wire I,m not so sure about. Think it might be earth, but would prefer to get it right first time. Firm believer in "If in doubt: Ask" . Have asked supplier, but Technical Support currently unavailable. Any advice greatly appreciated. Thank you. Quote Link to comment Share on other sites More sharing options...
peterb Posted November 16, 2018 Report Share Posted November 16, 2018 The usual reason for the rectifier getting fried is either the voltage regulator has failed (the box under the headstock) or the voltage regulator has a bad ground connection. I'm not 100% sure about the wiring. Check the voltage reg for having a good ground before hooking up and starting the bike, or install a new voltage regulator.. Bye, Peter B. Quote Link to comment Share on other sites More sharing options...
pjw123 Posted November 16, 2018 Author Report Share Posted November 16, 2018 All done Bike up & running. ? White wire is earth. Many thanks for your technical advice, & also worthy of mention is that Well known UK Chesterfield Trials Specialists : Spl*****p. Thank you folks. Original Fan Rec had a bad earth, so could have been likely initial cause. Quote Link to comment Share on other sites More sharing options...
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