72 Chevelle Spedometer issue

[sg5492]

I'll ask this question over here too, I have it on two other sites and no replies yet.

I was driving home Friday night from the last cruise night of the year, running about 60mph and the spedomter started jumping around (+ or - 15 to 20MPH). I was thinking the cable was going bad but, after I got to looking for the cable I noticed it went into the factory cruise control and from there it went into dash.

So my question is: Could it be one of the two cables or the cruise control box? Or something else? I'm also running a 4:10 gear and had the transmission gear set so the spedometer would read right.

[Mike 1972SS]

Get another cable to temporarily bypass the cruise control unit to isolate the problem.

Mike

[sg5492]

I'll give that a shot, thanks!

[Hank70SS]

I would say one of the two cables. Should be able to slide the cable out of the sleeve and see if it's damaged.

[shadowgray396]

Looks like you got some good answers on both sites now. Good luck.

[sg5492]

Yes, thanks!!

[Mahavira]

that is great!!!

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