vincent52 Posted October 17, 2019 Report Share Posted October 17, 2019 hi all, does anyone know of an tr3a electrical wizard in the Milton Keynes area? need help! len. Quote Link to post Share on other sites
RobH Posted October 17, 2019 Report Share Posted October 17, 2019 (edited) You don't seem to have had any response Len. Is this still the ignition problem you posted about before or did that get resoved ? Edited October 17, 2019 by RobH Quote Link to post Share on other sites
vincent52 Posted October 18, 2019 Author Report Share Posted October 18, 2019 ignition all done (luminition) starts on first go but no chare at all. Quote Link to post Share on other sites
RobH Posted October 18, 2019 Report Share Posted October 18, 2019 Does it have a dynamo or alternator? Any modifications? Did it work once or is this something new? Quote Link to post Share on other sites
vincent52 Posted October 18, 2019 Author Report Share Posted October 18, 2019 dynamo, all worked perfectly until I blew a fuse fixing a loose earth wire ,I suspect polarity changed or regulator Quote Link to post Share on other sites
RobH Posted October 18, 2019 Report Share Posted October 18, 2019 Hm. Which earth were you fixing and which fuse blew? I can't see how the polarity could be changed accidentally - it requires several deliberate actions to do that. If you switch the lights on does the ammeter show a discharge? Quote Link to post Share on other sites
vincent52 Posted October 18, 2019 Author Report Share Posted October 18, 2019 earth tag on fuel gauge,...35 amp fuse and yes ammeter shows discharge what next o wise one Quote Link to post Share on other sites
RobH Posted October 18, 2019 Report Share Posted October 18, 2019 Well that means the connection to the regulator must be OK on A and A1, as is the ammeter connection to the battery, and that the ammeter is telling the truth. Unless you were doing the earth thing with the ignition on I can't really see how the fuse blew and even then it's difficult to see how that could affect charging as the current flow shouldn't have gone near the regulator, but let's assume that the short might somehow have burned the cut-out contacts. Have you looked at the internals of the regulator for obvious damage? If you do, disconnect the battery before you take the top off as 'making' that contact accidentally will push a very heavy current through the dynamo and could burn wiring and destroy the ammeter. There is no fuse in that circuit to cut the current either. You could try cleaning the cut-out contacts with fine emery but take care not to bend anything as that will change the settings. Quote Link to post Share on other sites
vincent52 Posted October 19, 2019 Author Report Share Posted October 19, 2019 I am seeing an expert on Wednesday will let you all know the outcome len. Quote Link to post Share on other sites
vincent52 Posted October 25, 2019 Author Report Share Posted October 25, 2019 Hi all, problem all sorted, it turned out to be the regulator, new one from tr shop fitted all done at last thanks to all who offered advice.len Quote Link to post Share on other sites
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