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#1
23-09-08, 04:27
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regulator
One reason the generator can 'burn out' is the field coils can get hot : the cutout relay ,which is located inside the regulator is supposed to open when the battery voltage becomes higher than the Gene voltage ( this normally happens at engine idle speed ) . If the C/O relay is not releasing , if it remains closed, the battery will discharge through the field coils .. sometimes the heat generated is enought of burn off the insulation on the coils. This may have been your situation .. hard to tell .
If the regulator fails altogether , it can allow a higher voltage ( the gene can produce high volts in a unregulated state ) to get to components , you can blow all the light globes and cook everything . I've seen it happen on an old Ford Thames 800 van. I am always wary of 60 year old insulation, it's only a thin layer of enamel over the bare copper and anything with layers of fine wires like Ignition coils and voltage regulators are susceptible to shorts internally. With age, the enamel tends to flake off the wires. You see people stuffing around with 60 year old ignition coils and think 'why waste your time '. Put a new one on . Mike
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1940 cab 11 C8 1940 Morris-Commercial PU 1941 Morris-Commercial CS8 1940 Chev. 15cwt GS Van ( Aust.) 1942-45 Jeep salad 
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#2
23-09-08, 05:49
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Coil
We also changed the coil and all the sparkplugs wire aswell.
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#3
23-09-08, 06:51
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Burn out
I have seen a few where the coil, gene and battery etc have been cooked when the relay points stick in the regulator.. they can drop a battery in seconds.. They look just like a set of large contact points and it doesn't hurt to clean them every now and then so they don't stick.. We actually put a match stick in between the points once to drive home after the regulator decided to play silly buggers..
 Not recommended but it can get you home at least.. Likewise some older stuff is pretty darn iffy ..How many don't like the idea of an alternator.??? Seems the way to go if you don't mind the modern bits..
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Mallee Wombat
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#4
23-09-08, 14:18
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voltage regultor number?
We need a part number for the voltage regulator since we did not keep the replacement number.
This gives us a good lesson.
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#5
24-09-08, 00:22
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...Normandy '94 - the regulator of the Fox shut down and the battery exploded.... never seen people get out of an armoured car so quickly
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