Fuse Help
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Fuse Help
Hello all,<o
></o>Im a new here to the forum and new to automotivefor the most part. So please forgive me for my ignorance. So the basics are:<o
></o>1976<o
></o>F-100<o
></o>2wd<o
></o>302 5.0<o
></o>Auto trans.<o
></o><o
> </o>So my question is about fuses. I have a wiringdiagram in my book that tells me the size I guess you could say like 75a ect.However while browsing the fuses I noticed that multiple kinds of glass fusesexist. I had hope to buy a kit to replace all my fuses. The book I have doesn’tgive much insight other than don’t use the wrong fuse and don’t use tin foil.LOL <o
></o>Thanks in advance for any help,<o
></o>Carl <o
></o>PS i did use the search to see if i could locate an earlier post. No luck.
MSEE
Joined: Apr 2004
Posts: 10,386
Likes: 35
From: Austin, TX
Welcome to FTE. A word of caution, the "75" you're seeing is probably "7.5".
The two main differences for glass fuses in these trucks are amperage and length. Those two are all you have to worry about. If you have an old fuse you're replacing, bring it to the store to match a new one. If you don't have the original fuse, measure the length of where the fuse would go (but be careful not to touch the fuse terminals).
You won't be able to get all the fuses you need in a kit. In some cases, you'll need 1 fuse, but will only be able to get it in a pack of 5. In other cases, you'll need 1 fuse of a particular type, but it only comes in a "batch" of several different kinds, the rest of which you don't need. That's just how it goes. However, it's not as if you'll have to replace fuses often - they usually only blow when somebody does something stupid. Follow proper procedures when working on electrical (disconnecting the negative battery cable where necessary, using proper tools, etc) and you'll never have to replace them again.
The two main differences for glass fuses in these trucks are amperage and length. Those two are all you have to worry about. If you have an old fuse you're replacing, bring it to the store to match a new one. If you don't have the original fuse, measure the length of where the fuse would go (but be careful not to touch the fuse terminals).
You won't be able to get all the fuses you need in a kit. In some cases, you'll need 1 fuse, but will only be able to get it in a pack of 5. In other cases, you'll need 1 fuse of a particular type, but it only comes in a "batch" of several different kinds, the rest of which you don't need. That's just how it goes. However, it's not as if you'll have to replace fuses often - they usually only blow when somebody does something stupid. Follow proper procedures when working on electrical (disconnecting the negative battery cable where necessary, using proper tools, etc) and you'll never have to replace them again.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
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From: Simi Valley, CA
1973/79 F100/350 7.5 fuses:
1AG 7.5 or AGA 7.5 = .62" long / SFE 7.5 = .88" long / AGC 7.5 or 3AG-7.5 = 1.25" long.
Specific year owners manuals have a list of all the fuses. Manuals available from faxonautolit.com
1AG 7.5 or AGA 7.5 = .62" long / SFE 7.5 = .88" long / AGC 7.5 or 3AG-7.5 = 1.25" long.
Specific year owners manuals have a list of all the fuses. Manuals available from faxonautolit.com
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