Reply To: 6v to 12v on a Traction

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26th July 2024 at 8:28 pm #36423
Chris
Participant

    Hi Tim,

    Apologies I missed this so I hope you’ve sorted everything out by now. Anyway, I fitted a Lucas 17ACR which includes a regulator. I had to find a pulley for the wide belt. Can’t for the life of me remember where I got it but this one might do:

    https://www.ahspares.co.uk/austin-healey/big-healey/electrical-general/alternator-pulley-wide.aspx?gad_source=1&gbraid=0aaaaac40jiekket2s2zqqlfpuiqoigz6g&gclid=cjwkcajwko21bhapeiwawfaqci9-iupzsvnrjl9gicp3rgfjm6uwwonldgcx5eysi4ornzgbtjlvahocsgiqavd_bwe

    The alternator runs slower than it would normally, so I had to wire 2 warning lights in parallel to get it to charge at low revs. Even so the warning lights come on at idle. A smaller pulley on the alternator would help.

    As you can see from the picture I bent a bracket from some flat steel which I will maybe get around to painting. alternator

    Just off to the left of the photo you might spot a 12V to 6V solid state converter which feeds the wiper motor, fuel gauge and clock. That’s energised from a relay off the ignition switch.

    Chris