Speedo Swap - The 1947 - Present Chevrolet & GMC Truck Message Board Network

RandyP · 07-09-2010, 08:46 AM

I am wanting to swap out my 85mph speedo with an earlier 100mph speedo. I realize I will not be able to connect the VSS (guess that's what it's called) little green box to the older style. Question is, can I just remove that box and the wiring going up to the speedo? Or for some reason do I need it there for some sort of resistance for another reason? Yes I know my cruise won't work.

Year is an '87, I think the speedo said it was from like a 76-79. I'm really not seeing any issue with just removing that VSS from the loom, but wanted to be sure.

07-09-2010, 08:46 AM	#1
RandyP Getting Old; Going Broke Join Date: Apr 2010 Location: Owasso OK Posts: 2,764	Speedo Swap I am wanting to swap out my 85mph speedo with an earlier 100mph speedo. I realize I will not be able to connect the VSS (guess that's what it's called) little green box to the older style. Question is, can I just remove that box and the wiring going up to the speedo? Or for some reason do I need it there for some sort of resistance for another reason? Yes I know my cruise won't work. Year is an '87, I think the speedo said it was from like a 76-79. I'm really not seeing any issue with just removing that VSS from the loom, but wanted to be sure.

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