3G install problem?????

8

89lxvert34

New Member

Dec 10, 2003

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chicago

Aug 15, 2004

#1

• Aug 15, 2004

• #1

hey guys i bought a alternator from a 96 mustang , now i've been following the instructions from mustangcentral.net http://www.mustangcentral.net/tech/alternator.html it says cut the union of the 2 10 Guage black and orange wire, and tape it off, my question is> do u have to connect it to something or just leave it capped off, thanx

 

TC93

Well-Known Member

Sep 11, 2000

2,075

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57

Ellerslie GA 31807

Aug 15, 2004

#2

• Aug 15, 2004

• #2

Here how I did my 3g install.... http://www.cardomain.com/memberpage/400797/4

 

jrichker

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Dublin GA

Aug 16, 2004

#3

• Aug 16, 2004

• #3

89lxvert34 said:

hey guys i bought a alternator from a 96 mustang , now i've been following the instructions from mustangcentral.net http://www.mustangcentral.net/tech/alternator.html it says cut the union of the 2 10 Guage black and orange wire, and tape it off, my question is> do u have to connect it to something or just leave it capped off, thanx

Click to expand...

Tape or heatshrink them over. Under no circumstances connect the two 10 gauge black/white wires to the 3G alternator. If the fuse blows in the 4 gauge wire, the two 10 gauge wires will be overloaded to the point of catching fire and burning up the wiring harness.

 

E

eagle87

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Apr 30, 2003

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New York

Aug 16, 2004

#4

• Aug 16, 2004

• #4

Almost every one I've read on this swap say's to cut the two orang/blk wires a inch back from the connector put a butt connection on them and connect it to the Alt. THIS IS WRONG.

 

Papageof

Founding Member

May 6, 2002

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Jacksonivlle, FL

Aug 16, 2004

#5

• Aug 16, 2004

• #5

Yeah, but the orange and black wires fuselinked, at least on my car. Those fuse links will blow in half a second if you try to dump that much power through them. So, i connected them all. The big wire carries the load and little one just helps if needed. You can do without the small wires; but why, they are there, so use them. Unless the wire is rotten to begin with.

 

B

blk92stangg

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Jan 30, 2004

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Hawaii

Aug 17, 2004

#6

• Aug 17, 2004

• #6

Well, those small wires are what starts fires in the engine bays of cars with the stock alternator. Ultimately its up to you to decide what info you want to use.

 

8

89lxvert34

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Dec 10, 2003

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chicago

Aug 17, 2004

#7

• Aug 17, 2004

• #7

ok but what i don't get, is what does the fusible link wire connect to.

 

jrichker

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Aug 17, 2004

#8

• Aug 17, 2004

• #8

89lxvert34 said:

ok but what i don't get, is what does the fusible link wire connect to.

Click to expand...

The fuseable link in the original harness connects to the two 10gauge black/white wires. The other end of the fuseable link connects to the battery post of the starter solenoid.

 

Papageof

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Aug 17, 2004

#9

• Aug 17, 2004

• #9

Those small wires aren't what actually start the fires it is the connector's poor design. The spade connectors do not provide a good firm connection. A loose connection creates resistance. Resistance makes heat. Heat makes fire. It is the connector that is the problem, which is why when you buy a quality replacement 2g it comes with a new connector for you to crimp on as well. It is also why everyone uses a lug on new alternators. Ford even has a TSB on it. They admit that it sux.

However, blk92stangg is right you don't have to use them. The ampacity of 4awg wire is high enough for a standard 3g. I just overbuild typically. That way the heavy wire never gets close to its ampacity; and if there is a spike, the 10awg wire is there to help take the overload. Nevertheless, using them both will not start a fire unless you defeat the fuseable links.
Have fun and happy voltage.