Jim:
I know that my Chevy factory assembly manual has several drawings of the
firewall and the location/size of the holes. Not sure if a GMC manual would
show the same (or maybe they are identical)?
As far as what-goes-where, you might be able to get that information from a
list member with a similar year/model truck, or go the a GMC truck website.
Maybe the Stovebolt website might have something?
Just a couple of thoughts. Good luck with your search!
Carl Ham
'56 Chevy Stepside Pickup
Hopewell, IL
>From: dcvjrv@comcast.net
>Reply-To: dcvjrv@comcast.net
>To: old-chevy-truck@yahoogroups.com, "oletrucks"
><oletrucks@autox.team.net>, oletrucks@yahoogroups.com
>Subject: [oletrucks] Holes In Firewall
>Date: Thu, 20 Apr 2006 00:58:00 -0400
>
>I realize that I probably won't get very many if any good responses
>to this request, but I shall ask it anyway. But, who knows, maybe I
>will be pleasantly surprised.
>
>Can anyone out there tell me what each of the holes in the firewall
>are for, along with the approximate size and location, in a '58 GMC.
>Or, maybe the information already exists out their somewhere.
>For example speedometer, oil gauge line, main wiring harness, etc....
>
>Thanks in advance for the assistance,
>
>
>Jim V.
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