Alternator wiring.

Darkgrey79

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Jan 4, 2021
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I am cleaning up the wiring from the voltage regulator to the alternator. Is there a reason the large Guage wire is looped? If I make a new harness will I need to do the same?
 

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miesk5

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Yo Jim,
If It's an 89, see attached diagram.
My vision is poor, so that wire May contain the fusible link.

NOTE: Whenever a wire is labeled with two colors; the first color listed is the basic color of the wire, and the second color is the tracer marking of the wire. If the second color is followed by by a D, the tracer is dots. If the second color is followed by an H, the tracer is hash marks.

For example: BR/O is a brown wire with an orange stripe, R/Y D is a red wire with yellow dots and BK/W H is a black wire with white hash marks.
 

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Tiha

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so that wire May contain the fusible link.

Yep I concur, pretty sure that loop is a fusible link.

I am sure there are plenty of guys that omit the fusible. I am sure it not only protects the battery and alternator but I supposed it could in theory prevent a fire.
If you are concerned you can add an inline fuse or I am sure someone sells fusible links.
 

chrlsful

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I would first ID just what this line supplies

"...sells fusible links..."
find its rating, replace w/same or, as per Tiha, a simple 'in-line' fuse holder w/correct rated fuse.
 

Darkgrey79

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Oregon
I replaced power and ground wires as well.
 

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