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Circuit breakers?

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NDTOO

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I'm planning my panel and trying to figure out how many circuit breakers I need.

My engine instruments-oil temp/pressure and fuel pressure will be the electric variety with sending units. Do I need an individual CB for each instrument or can I run all three to one (5 amp?) CB?

I was thinking of going with the 2 1/4" engine instruments that Chief offers. What fuel pressure gauge do you guys with injected engines use? They show two, one is 15psi max and the other is 50psi max. If taking pressure just before the servo would the 15psi max work? Not exactly sure where you should tap into the fuel system to read fuel pressure.

How about fuel quantity? I got my main tank from a fellow parting his project. It does have a float type sending unit in it but how do I know if it is compatable with their gauge or how to figure out what gauge I should get?
 

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