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Old 09-02-2015, 10:56 PM   #1
BCOWANWHEELS
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whats this wire for ?

on the battery cable positive there is a small wire like #12 or 14 size that goes about 6-8" to a small bakelight block with a stud in the center. could somebody tell me the purpose of this and where it goes ?
thanks
bob
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Old 09-02-2015, 11:16 PM   #2
leftybass209
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Re: whats this wire for ?

I think your talking about the junction block on the passenger fender. It is a distribution block for positive power wiring. Look up some schematics here if you'd like to know where those wires go.

It's also entirely possible you have an aftermarket positive cable with a small gauge lead that runs anywhere a previous owner wanted it to.
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Old 09-03-2015, 07:56 AM   #3
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Re: whats this wire for ?

Probably the charge wire for your battery ,, they were ridiculously small from the factory
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Old 09-03-2015, 08:18 AM   #4
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Re: whats this wire for ?

Here is a thread with information on the fusible link.
http://67-72chevytrucks.com/vboard/s...d.php?t=545962
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Old 09-03-2015, 10:25 AM   #5
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Thumbs up Re: whats this wire for ?

The block on the passenger side fender is to attach hot wires off of instead of the battery it self.
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Old 09-03-2015, 01:17 PM   #6
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Re: whats this wire for ?

THATS the one I,am referring to fellas
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Old 09-03-2015, 01:26 PM   #7
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Re: whats this wire for ?

Quote:
Originally Posted by BCOWANWHEELS View Post
THATS the one I,am referring to fellas
the gray ones your battery charge wire/ power to fuse block , the black one Im not sure traced it back the loom to a junction by my horn relay , unhooked it , cant figure what it was , it was defiantly factory installed just like the picture , on a 67 , have not had an issue , there was a small glass fuse in it
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Old 09-03-2015, 01:34 PM   #8
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Re: whats this wire for ?

Quote:
Originally Posted by 67 chevelle View Post
the gray ones your battery charge wire/ power to fuse block , the black one Im not sure traced it back the loom to a junction by my horn relay , unhooked it , cant figure what it was , it was defiantly factory installed just like the picture , on a 67 , have not had an issue , there was a small glass fuse in it
those glass fuses are for your amp meter there should be one on each side of the engine compartment
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Old 09-03-2015, 01:39 PM   #9
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Re: whats this wire for ?

Quote:
Originally Posted by bigmac73 View Post
those glass fuses are for your amp meter there should be one on each side of the engine compartment
great info , I made the switch to a volt meter , probably why I have no issue
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Old 09-03-2015, 07:43 PM   #10
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Re: whats this wire for ?

Quote:
Originally Posted by bigmac73 View Post
those glass fuses are for your amp meter there should be one on each side of the engine compartment
Never knew this! Exactly where are these fuses? Might be why my amp meter doesn't work.
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Old 09-03-2015, 08:13 PM   #11
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Re: whats this wire for ?

I just replaced one today. Just look in the corner next to the pos. battery terminal. Follow the small gauge wire coming off the little distribution block there.
Then look in the area of the voltage regulator. Same size and color, same style pull-apart in-line fuse holder.
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Old 09-04-2015, 08:12 PM   #12
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Re: whats this wire for ?

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Originally Posted by WorkinLonghorn View Post
I just replaced one today. Just look in the corner next to the pos. battery terminal. Follow the small gauge wire coming off the little distribution block there.
Then look in the area of the voltage regulator. Same size and color, same style pull-apart in-line fuse holder.
Well, checked mine and they were both blown. Grabbed 5 new ones from the parts store for 30 cents each. Popped them in and the gauge still doesn't work. I looked on the backside of the gauge and two of the posts are connected to the printed circuit board and the 3rd isn't coneected to anything. Not sure if it's supposed to be.
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