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09-04-2006, 12:31 AM
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#1 |
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Senior Member
 
Join Date: Jul 2004
Location: Estherville, Iowa
Posts: 3,371
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Fire wall hole - what is it ?
The one with the arrow, the top one is the speedo, the square one is parking brake, seems like there was a plug in there, don't have any old pictures of that exact area, anyone know for sure ??? Thanks
__________________
1968 C10 307 3spd Long Fleet ------ http://67-72chevytrucks.com/vboard/s...d.php?t=201103 1970 C10 305 Super T10 Long Fleet --- http://67-72chevytrucks.com/vboard/s...d.php?t=202285 1971 C20 383 TH350 Dana Posi ----- http://67-72chevytrucks.com/vboard/s...d.php?t=206894 2001 GMC Sierra 1500 C3 6.0 |
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09-04-2006, 12:46 AM
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#2 |
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The Older Generation
  
Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,836
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Re: Fire wall hole - what is it ?
See if this jogs your memory..... It looks like 10 guage and it goes into the loom across the top of the cowl.
LockDoc |
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09-04-2006, 01:23 AM
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#3 |
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Senior Member
Join Date: Jul 2004
Location: Estherville, Iowa
Posts: 3,371
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Re: Fire wall hole - what is it ?
Would that have been for the TSC transmission controled spark thing ? This truck was originally an I6 with 3 speed manual and it had that smog system that we removed like two years ago, only lets the vacumm advance operate in high gear, suppose that was the wiring for that ?
BTW - your sig says LockDoc - could you be a locksmith ? if so there is a thread over in general discussion that could really use your help !!!!
__________________
1968 C10 307 3spd Long Fleet ------ http://67-72chevytrucks.com/vboard/s...d.php?t=201103 1970 C10 305 Super T10 Long Fleet --- http://67-72chevytrucks.com/vboard/s...d.php?t=202285 1971 C20 383 TH350 Dana Posi ----- http://67-72chevytrucks.com/vboard/s...d.php?t=206894 2001 GMC Sierra 1500 C3 6.0 |
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09-04-2006, 06:00 AM
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#4 |
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Registered User
Join Date: Apr 2002
Location: New Carlisle, Ohio,USA
Posts: 1,404
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Re: Fire wall hole - what is it ?
Got this off of a post here on the forum. Hope this helps?
  
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LIFE AIN'T EASY WHEN YER FAT AND GREASY! GMC= Got More Class!  1970 GMC LWB, Fleetside, 350/4spd, Flowmaster "40's", 2002 GMC 16" Rallies, cowl hood,and added a bunch of options that weren't there when I started. 
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09-04-2006, 09:57 AM
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#5 | |
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The Older Generation
Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,836
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Re: Fire wall hole - what is it ?
Quote:
I will look at the wiring I removed and see if I can figure out where that wire went.  Yes, I am a locksmith specializing in antique autos and motorcycles. I will slide over there and see what's going on. LockDoc |
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09-05-2006, 10:27 AM
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#6 |
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The Older Generation
Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,836
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Re: Fire wall hole - what is it ?
Well I checked my wiring out and here is where the wire goes that comes through the rubber plug in your mystery hole.
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09-05-2006, 11:43 AM
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#7 |
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Senior Member
Join Date: Jul 2004
Location: Estherville, Iowa
Posts: 3,371
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Re: Fire wall hole - what is it ?
Yep - that is it, the TCS smog wiring, which we no longer have, I'll plug it or it might be a good spot for a tach wire. Thanks.
__________________
1968 C10 307 3spd Long Fleet ------ http://67-72chevytrucks.com/vboard/s...d.php?t=201103 1970 C10 305 Super T10 Long Fleet --- http://67-72chevytrucks.com/vboard/s...d.php?t=202285 1971 C20 383 TH350 Dana Posi ----- http://67-72chevytrucks.com/vboard/s...d.php?t=206894 2001 GMC Sierra 1500 C3 6.0 |
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