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EFV-8 Club Forum / General Ford Discussion / 1948 Circuit Breaker

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Discussion Topic: 1948 Circuit Breaker

Blase

06-03-2023 @ 1:23 PM

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Looking for the easy way to change the circuit breaker on a 1948 ford. The circuit breaker is behind the dash just above the gauges for the fuel , oil, amps and coolant. Also I have the original 51A-12258 which shows four contacts
A,B,B H I know B is for battery what is A and H for.

This message was edited by Blase on 6-3-23 @ 1:48 PM

42wagon

06-04-2023 @ 9:27 AM

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Blase
Not sure what you have there. However if you have the 41 to 48 Ford book there are three or four pages of wiring diagrams that should show you the information you are looking for.

51woodie

06-04-2023 @ 9:45 AM

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Blase, There is no comfortable way to work under the dash unless you are about 18 years old, or have taken the front seat out. The B-B terminal has a link for the two studs, as there are two yellow #10 wires to be connected. One from the voltage regulator and one from the ammeter. The H feeds the headlight circuit, and the A feeds "accessories" such as interior light and dash lights etc.

51woodie

06-09-2023 @ 7:24 PM

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Blase. Did you get the wiring sorted out?

Blase

06-10-2023 @ 4:25 AM

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Blase

06-22-2023 @ 7:27 AM

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I found the problem

51woodie

06-22-2023 @ 2:25 PM

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What was the solution?

Blase

06-23-2023 @ 6:07 AM

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The battery cables were on backwards going to the solenoid.

40 Coupe

06-23-2023 @ 7:06 AM

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What you have shown does not appear to be the correct circuit breaker for the 48 Ford car. The original has just three wire terminals.

Blase

06-24-2023 @ 4:34 AM

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Your mistaken, the 48 have 4 contacts not 3. I know because I can see the one under my dash.

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