Good point well made.
I think I will probably fit a newer alternator of at least 90 Amps with integral regulation. They look all but identical to the original. As I need to get the dashboard refurbished I will change from ammeter to voltmeter at the same time so that load in the wires to the dashboard can be reduced to a minimum.
I had a look at the 411 wiring diagram to see how Bristol changed the wiring as more toys were added and current consumption increased. An interesting anomaly to my understanding is that the 411 engine fans are fed directly from the battery if controlled by the Otter thermostat but through the ignition switch in manual override. Unless anyone can give me a good reason I think I will keep that sort of load away from the ignition switch.
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