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#1 |
Registered User
Join Date: Aug 2004
Location: Oakville, MO
Posts: 1,018
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How did factory route 72 tach wire?
What I really need to know is which round, cardboard knock out next to the fuse block is the one that the factory used to route the tach wire through. There are three of them stacked and even though any would work o.k. I would like to route it the same way the factory did.
Does anyone have a 72 that could look and say top, middle or bottom? As always thanks for the assistance! OT |
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#2 |
Senior Member
Join Date: Jul 2001
Location: Muskegon,MI,USA
Posts: 6,026
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Re: How did factory route 72 tach wire?
The factory tach wire was routed through the hole between the fuse panel
hole and the e-brake hole. Here is a picture of a 72 firewall with the factory hole for the tach wire. The hole is 3/4" and on this firewall the hole was punched and not drilled. (There are four dimples for locating the hole(s)). Jim
__________________
1971 Shortbox step side 4x4, 350 sbc, 3:07 rear end 1965 Impala SS 400 sbc, Muncie rock crusher 1966 Impala SS 396 bbc, TH 400 1969 El Camino, 350 sbc, TH 350 1971 Snowplow built on a Blazer frame 1972 GMC Short bed, stepside, TH 400, 427 BBC |
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#3 |
"Trucks with Class"
![]() Join Date: Jul 2000
Location: OLYMPIA, WA, USA
Posts: 8,132
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Re: How did factory route 72 tach wire?
There is a good picture in the Assembly Manual, if you have one.
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#4 |
Registered User
Join Date: Aug 2004
Location: Oakville, MO
Posts: 1,018
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Re: How did factory route 72 tach wire?
Thanks for the picture reference! That is exactly what I needed!
OT |
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