Speedometer swapping? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

chev74 · 03-30-2008, 05:41 AM

I have just redone my dash, but there is a problem... my previous speedo worked fine, but i bought the white gauge decals to put on a different set- now the newly installed speedo will not stay still!

say im cruising at 50 mph- every 3 or 4 seconds it will click then jump up to 65 mph then down to 40 then sway back and forth til it settles then click again...WHATS THE DEAL?

only thing i can figure is that the speedo cable is binding then releasing- making it spin up

Another problem is that the odometer doesnt work with this new speedo

NOW HERES MY QUESTION

can i swap out to guts of my previous speedo (with the working odometer) and fix my problem?

03-30-2008, 05:41 AM	#1
chev74 Addicted to Chevy Join Date: Dec 2004 Location: Tyler, Tx Posts: 857	Speedometer swapping? I have just redone my dash, but there is a problem... my previous speedo worked fine, but i bought the white gauge decals to put on a different set- now the newly installed speedo will not stay still! say im cruising at 50 mph- every 3 or 4 seconds it will click then jump up to 65 mph then down to 40 then sway back and forth til it settles then click again...WHATS THE DEAL? only thing i can figure is that the speedo cable is binding then releasing- making it spin up Another problem is that the odometer doesnt work with this new speedo NOW HERES MY QUESTION can i swap out to guts of my previous speedo (with the working odometer) and fix my problem?



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