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06-19-2017, 09:30 AM
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#1 |
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Senior Member
Join Date: Aug 2014
Location: Export, PA (Outside of Pittsburgh)
Posts: 520
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Engine compartment restoration
I am been away from the restoration of my model A, but now I am back at it.
I have installed a fuse, attached to the battery. The power from the battery connects to the terminal on the starter, with a connection taken to the fuse block. Electrical supply is the taken from the upside of the fuse block. Is this wired correctly? What is the proper fuse size? If I install a Disconnect Switch, do I still need the fuse? Thank you for your help. |
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06-19-2017, 09:43 AM
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#2 |
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Senior Member
Join Date: May 2010
Location: Yorkville, IL
Posts: 126
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Re: Engine compartment restoration
They are usually 30 amp, but that always seemed high to me.
I had bad luck with this type of fuse block. Mine loosened and shorted. I switched to a modern spade-type fuse mounted in line in the same area. It was in a black weather-proof cover and was almost invisible. It was like these: https://www.amazon.com/10-Pack-EPAut...de+fuse+holder |
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06-19-2017, 11:13 AM
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#3 |
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Senior Member
Join Date: May 2010
Location: Southern California
Posts: 7,030
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Re: Engine compartment restoration
Yes you need both the fuze and disconnect switch. If you are driving down the road an have a short the fuse will blow, without it the wire will burn potentially causing a fire.
Charlie Stephens |
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06-19-2017, 11:54 AM
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#4 |
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Senior Member
Join Date: Jun 2017
Location: Walla Walla, WA
Posts: 1,045
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Re: Engine compartment restoration
You never, ever want a circuit to be un-fused. Even with the manual shut off switch.
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06-19-2017, 12:24 PM
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#5 |
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Senior Member
Join Date: Apr 2015
Location: Boise, Idaho
Posts: 1,578
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Re: Engine compartment restoration
I recently removed the tube type fuse holders and replaced them with a spade type. I have one on the main feed and also one on the headlight harness. Got them at O'reillys.
20 amp in the main, 15 amp in the headlight harness. Have not blown either so far... In the one picture you can also see the battery cut out switch under the starter. It's the type sold by the vendors with the starter bolt mount also offered by vendors.
__________________
Early '29 CCPU that had a 4-speed, but not any more.......in the family since '62 |
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06-19-2017, 12:24 PM
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#6 |
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Senior Member
Join Date: Jul 2012
Location: Michigan-- Member of Oakleaf of MARC
Posts: 1,686
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Re: Engine compartment restoration
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06-19-2017, 12:28 PM
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#7 |
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Senior Member
Join Date: Apr 2015
Location: Boise, Idaho
Posts: 1,578
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Re: Engine compartment restoration
I like the idea of a fuse in the brake light circuit...
Some more general info here... https://www.fordbarn.com/forum/showthread.php?t=220432
__________________
Early '29 CCPU that had a 4-speed, but not any more.......in the family since '62 |
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06-19-2017, 03:24 PM
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#8 |
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Senior Member
Join Date: May 2010
Location: Wauconda, IL
Posts: 3,600
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Re: Engine compartment restoration
Complete fuses built into the wire harness loom, 40amp MAIN fuse, 30amp light, 5 amp horn, 5 amp separate dimmer switch..Custom made.
__________________
Mark Maron Ill., Region MARC & MAFCA MARC JSC Member MAFFI Trustee National Facebook Admin. https://www.facebook.com/groups/MARC.group/ A7191-Sport Coupe 29 Roadster 29-Town Sedan 29-Original Special Coupe |
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