|
Post by roy0147 on Jun 21, 2022 17:25:51 GMT
Hello again, My journey of getting my 1959 1.5 running is progressing slowly but one step forwards and 1 1/2 back! I now have the engine running reasonable well but noticed the ignition light stayed on. I did a check on the dynamo by removing the D and F leads, joined them together and ran the engine - I got 0v from either of the dynamo terminals to earth so assumed that meant the dynamo was not working - am I right or should I do a different test please? As a option I was wondering if converting to an alternator would be worth while and if so could someone give me any detailed instructions as to how to achieve this please?
Thanks, Roy
P.S. I thought I would move the car out of the garage but then found the clutch did not disengage. I will check the slave cylinder and hope it just needs bleeding but I don't think the car has run for a long time so perhaps there is a problem with the clutch itself!
|
|
|
Post by 2robert4 on Jun 21, 2022 19:24:09 GMT
Hi Roy
There are plenty of good alternators out there including the Dynomater? which has the dynamo outer casing but with alternator internals. These items are not cheap and as you have not had your vehicle running for long I would suggest that you stick with a recon dynamo if the wiring loom is the original as this extra output can cause problems with poor connection rotten rubber insulation etc. Hope this info is of some help?
NP
|
|
|
Post by roy0147 on Jun 21, 2022 19:25:23 GMT
Can I just add some more information? I have removed the dynamo and taken the commutator end plate off. The commutator was dirty but before doing anything I measured the resistance of the field coil which was open circuit so that is my problem! Perhaps that will affect what I do next. Roy
|
|
|
Post by canuck on Jun 21, 2022 19:50:02 GMT
Hello Roy I recently wrestled with a non charging issue and in the end it was the dynamo misbehaving. I thought I might tackle this my self, (brushes etc.) however I ended up letting some smoke out of te dynamo so I decided for a rebuild at a local auto shop. This was not a big deal, and I also elected to install a new control box, just because. My car is scary original and didn't want to putz about with wiring harness mods etc. FWIW I like the under bonnet look of the dynamo, (with piggyback ignition coil ) and the mechanical control box. My car remains positive earth as per factory. I have total confidence as is now and my battery loves it. and I can put away the crank handle. Be aware that if you decide to install an alternator you will need to be at NEGATIVE earth polarity. If you have any positive earth electronics these will need to agree on polarity as well. A modern alternator has a 'built in' voltage regulator, and I believe one simply bypasses the control box? Not sure how, maybe read up on this. salut Bruce
|
|
|
Post by roy0147 on Jun 21, 2022 20:01:01 GMT
Thanks Bruce, I think you are right and it will be easier for me to get a replacement dynamo and keep the rest (assuming all of the bits work) as original.
|
|
|
Post by ozieagle on Jun 21, 2022 20:15:24 GMT
|
|