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Old 11-15-2014, 05:22 PM   #1
Gregski
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Firewall Ground Copper Ribbon Wire - Where does it connect to?

Apologies, I hate asking these types of questions, but I searched the factory manual back and forth and though I thought I've seen it somewhere in there for the life of me I can't find it now.

So please, where does it connect to on the motor?

The end part seems too narrow to connect to the cylinder head rear accessory hole.

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1974 GMC 1/2 Ton 2WD four speed manual, 350 V8, Quadrajet, no AC truck
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Last edited by Gregski; 11-15-2014 at 05:28 PM.
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Old 11-15-2014, 06:00 PM   #2
geezer#99
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Re: Firewall Ground Copper Ribbon Wire - Where does it connect to?

Bolt that ground strap right back onto the back of your head. Cylinder head that is!!
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Old 11-15-2014, 06:04 PM   #3
greg64
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Re: Firewall Ground Copper Ribbon Wire - Where does it connect to?

On my 6 cyl, it gets caught under a valve cover bolt, which are only 1/4".
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Old 11-15-2014, 06:04 PM   #4
ont_guy_38
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Re: Firewall Ground Copper Ribbon Wire - Where does it connect to?

I think the earlier models actually attached to the valve cover bolt.
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Old 11-15-2014, 06:13 PM   #5
cadillac_al
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Re: Firewall Ground Copper Ribbon Wire - Where does it connect to?

It hooks on a valve cover bolt.
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Old 11-15-2014, 07:14 PM   #6
Greenlee
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Re: Firewall Ground Copper Ribbon Wire - Where does it connect to?

On my truck (TBI 350) it bolts to the back of the engine as was mentioned above. It's pretty difficult to get to. The distributor is in the way and you can't see it withou a mirror.
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Old 11-15-2014, 07:27 PM   #7
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Re: Firewall Ground Copper Ribbon Wire - Where does it connect to?

Quote:
Originally Posted by geezer#99 View Post
bolt that ground strap right back onto the back of your head.
lmao
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Old 11-15-2014, 07:29 PM   #8
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Re: Firewall Ground Copper Ribbon Wire - Where does it connect to?

Quote:
Originally Posted by ont_guy_38 View Post
I think the earlier models actually attached to the valve cover bolt.
That was my thought also, I bolted it to the inside valve cover bolt instead of the outside one so it wouldn't be too close to the spark plug cables.

Thank you all for replying
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Old 11-15-2014, 07:32 PM   #9
E.D.75GMC
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Re: Firewall Ground Copper Ribbon Wire - Where does it connect to?

On my 75 it's bolted on with the valve cover
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