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Old 06-09-2016, 08:08 AM   #1
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GM electrical systems tutorial

I ran across this really good GM wiring tutorial while searching for information on best practices for when I rewire the chassis of my Argosy.

It mainly discusses 71 and earlier cars but later in the article it covers 72 and later and from what I saw of the original wiring on my 74 Argosy the article seems to be pretty accurate.

The article is good reading if you're into this sort of thing

Brad
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Old 06-09-2016, 08:31 AM   #2
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Quote:
Originally Posted by bkahler View Post
I ran across this really good GM wiring tutorial while searching for information on best practices for when I rewire the chassis of my Argosy.

It mainly discusses 71 and earlier cars but later in the article it covers 72 and later and from what I saw of the original wiring on my 74 Argosy the article seems to be pretty accurate.

The article is good reading if you're into this sort of thing

Brad
I was really enjoying reading this until the last line, of the last part, which says the original wiring will be fine with up to a 63amp alternator.....when there is a 94amp in Peanut!
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Old 06-09-2016, 08:55 AM   #3
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Originally Posted by martin300662 View Post
I was really enjoying reading this until the last line, of the last part, which says the original wiring will be fine with up to a 63amp alternator.....when there is a 94amp in Peanut!


Keep in mind the article was geared towards muscle cares of the late 60s and early 70s. Trucks, especially the larger ones were more than likely wired according to need.

I'll go ahead and order the 94 amp alternator which will get it here probably by Saturday which also means I can likely have it installed by the end of the weekend.
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Old 06-09-2016, 09:06 AM   #4
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The only wire to be effected by the size of the alternator is the charge wire from the alternator to the battery. That wire may have an inline fuse. if the coach maker installed a larger alternator they may have up size the wire or they may not have.

Everything out of the battery should be protected by a fuse set to the size of that wire.
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