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99 Posts
Discussion Starter #1
I know a bit about car and guitar amps..but I have a
completely hypothetical question about Voltage and our
b12's.

I chose this example because it's a pretty common problem
with our cars -

Let's say I was replacing the dashboard voltage regulator
and couldn't get my hands on the needed 8 volt regulator.
Is it possible to use a higher volt regulator? So if something
called for 8 volts, could I use, say, a 12 volt regulator
instead?

Any help with the facts on this question would be greatly
appreciated.
 

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Apprentice Technician
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784 Posts
you could, but this is a bad idea. it means that the components the regulator is feeding are getting more voltage, and inturn different amperage, than they are supposed to. you'll wreck components doing this. also, if you use the same wires, you may overload the wires as well, and cause an electrical fire.
 

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Discussion Starter #3 (Edited)
I had a suspicion that would be the case. I wasn't quite sure
if the regulator worked to cap the voltage level going
to the component or worked in almost a "fuse like" manner.

That's definitely a bad idea. You're absolutely right.

Thanks for the two cents, man.

Oh, what about the self-adjusting regulators?
 

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Apprentice Technician
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784 Posts
yeah, basically a voltage regular will take in your typical 12 volts, but only distribute X volts to all the components connected to it, as if in series, rather than parallel. so a 8 volt regulator with 6 prongs would distribute 2 volts to four outgoing lines of equal resistance. (the other 2 prongs are power and ground).
 
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