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ls1nova71 · 08-17-2020, 10:56 AM

Definitely sounds like you have a bad connection in the speedometer somewhere. How did you attach the power, ground and speed signal wires to the circuit board of the speedometer?

08-17-2020, 10:56 AM	#63
ls1nova71 Registered User Join Date: Dec 2009 Location: Independence Mo Posts: 4,118	Re: First time swap started Definitely sounds like you have a bad connection in the speedometer somewhere. How did you attach the power, ground and speed signal wires to the circuit board of the speedometer? __________________ My '72 short bed build. http://www.ls1tech.com/forums/conver...6-0-4l80e.html 5.3 swap into my RUSTY '71 C10 http://ls1tech.com/forums/conversion...71-c-10-a.html