A couple of 67 questions - The 1947 - Present Chevrolet & GMC Truck Message Board Network

bighorse · 02-21-2008, 08:45 AM

I'm going to lift the cab on a '67 with a 3-speed manual transmission.

Question 1
How does the wiring harness separate from the firewall?

Question 2
How is the speedometer cable disconnected from the transmission?

Thanks.

**John Fabris** · 02-21-2008, 08:51 AM

I believe that you need to undo the center bolt in middle of the firewall side of the harness plug and pull. (it is possible that there are two or three bolts that you may have to undo on the inside part of the haress as well, these loosen the whole fuse panel assembly. As for the speedo cable, it should a bolt holding a y shaped holddown, undo that and pull cable out. If it is not that, but you do have a knurled knob that simply unscrews and then you pull the cable out.

02-21-2008, 08:45 AM	#1
bighorse Registered User Join Date: Oct 2007 Location: Western Arkansas Posts: 18	A couple of 67 questions I'm going to lift the cab on a '67 with a 3-speed manual transmission. Question 1 How does the wiring harness separate from the firewall? Question 2 How is the speedometer cable disconnected from the transmission? Thanks. Last edited by bighorse; 02-21-2008 at 08:46 AM.

02-21-2008, 08:51 AM	#2
John Fabris TOTY 2006 Join Date: Dec 1999 Location: Magalia CA USA Posts: 2,270	Re: A couple of 67 questions I believe that you need to undo the center bolt in middle of the firewall side of the harness plug and pull. (it is possible that there are two or three bolts that you may have to undo on the inside part of the haress as well, these loosen the whole fuse panel assembly. As for the speedo cable, it should a bolt holding a y shaped holddown, undo that and pull cable out. If it is not that, but you do have a knurled knob that simply unscrews and then you pull the cable out. __________________ John Fabris 67 C10 SWB



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