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Joined: Jul 2002
Posts: 177
'Bolter
'Bolter
Joined: Jul 2002
Posts: 177
Here is a NOS GM electric speedo adapter p/n 3828638 I believe it is from the mid 1960's to early 70's in C-50-80 models .$30 + ship
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Joined: Aug 2010
Posts: 389
'Bolter
'Bolter
Joined: Aug 2010
Posts: 389
Am I correct in thinking this is the little magic box that makes the speedometer read correctly in both low and high ranges? There's something like this under the dash of my '65 C60, but it's long since been disconnected, so my speedometer reads fast in low range.
Joined: Mar 2004
Posts: 6,189
'Bolter
'Bolter
Joined: Mar 2004
Posts: 6,189
Yes, that's what it is...My parts book lists it as;
1963 Series 50 thru 80 w/ 2-spd axle.
1965-66 Series 60 (TILT) (4 cyc. Diesel) w/ 15000, 16000, 17000 2-spd axle.
Mike B
