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Old 03-15-2016, 11:02 PM   #1
Classic v6 GMC's
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Speedometer cable device?

Wondering what this device is. Was mounted just above the steering column.
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Old 03-15-2016, 11:36 PM   #2
jtrichard
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Re: Speedometer cable device?

THAT came out of a truck with a two speed rear end it changes the ratio of the speedo cable when the rear is shifted so the speedo is still correct in high and low
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Old 03-16-2016, 11:29 AM   #3
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Re: Speedometer cable device?

Quote:
Originally Posted by jtrichard View Post
THAT came out of a truck with a two speed rear end it changes the ratio of the speedo cable when the rear is shifted so the speedo is still correct in high and low
That makes sense. Thank you
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1966 GMC Long Step
1966 GMC 3/4 ton Custom PS PB Sport trim 351 v6
1966 GMC 3/4 ton 4x4 Custom PB 305 v6 np435
1960 GMC Custom
1968 GMC 3/4 ton 4x4 Short Bed
1962 K20 Tow truck
1961 GMC Extended Suburban Panel and a few more
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