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05-25-2016, 05:18 PM
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#1 |
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Registered User
 
Join Date: May 2007
Location: Erlanger, KY
Posts: 99
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Speedometer Cable????
I am having a hell of a time trying to find a replacement speedometer cable for my 78 K20 4 speed. All the parts stores are trying to sell me a 100" intermediate cable but mine is only 50" long and has one male and one female end. Anyone have a source for one of these cables?
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1980 GMC Sierra Grande C15 1987-1992 1988 Chevy Silverado K1500 1992-1996 1978 Chevy K5 Blazer 1998-2002 1998 GMC Sierra SL K2500 2002-2010  2007 GMC Sierra Classic 2500HD LBZ 2010-Present 1978 Chevy Silverado K20 2016-Present |
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05-25-2016, 05:44 PM
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#2 |
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Registered User
Join Date: Feb 2016
Location: Weatherford Texas
Posts: 306
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Re: Speedometer Cable????
It sounds like your truck has cruise control. Are you specifying that to the parts guy ?
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05-26-2016, 09:07 AM
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#3 |
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Registered User
Join Date: May 2007
Location: Erlanger, KY
Posts: 99
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Re: Speedometer Cable????
It my have cruise control cables from the factory but it doesn't have cruise control. In any case, the several parts stores I've visited only show cruise control as an option on an automatic and the ends are different in any case.
__________________
1980 GMC Sierra Grande C15 1987-1992 1988 Chevy Silverado K1500 1992-1996 1978 Chevy K5 Blazer 1998-2002 1998 GMC Sierra SL K2500 2002-2010 2007 GMC Sierra Classic 2500HD LBZ 2010-Present 1978 Chevy Silverado K20 2016-Present |
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05-26-2016, 09:18 AM
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#4 |
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Registered User
Join Date: Feb 2016
Location: Weatherford Texas
Posts: 306
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Re: Speedometer Cable????
I think I'm not following you exactly.
There are three cables. 1) Non cruise control cable which is very long, probably the 100 inch one 2) Cruise trucks use two cables, a lower and an upper. Both are obviously much shorter than option 1 since there was originally a cruise control transducer mounted on the driver side fenderwell that the lower cable went to and the upper cable came out of. If the truck originally had cruise and someone has removed the inline transducer, I usually just get the long cable for non cruise trucks and swap the entire thing out with the one piece from bottom all the way to the cluster. |
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05-26-2016, 11:53 PM
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#5 | |
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Dino burner
Join Date: Nov 2002
Location: Calgary, Alberta, Canada
Posts: 602
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Re: Speedometer Cable????
Quote:
 Is it possible your cable is 41", or could a 41" cable work? If so, ask for Pioneer CA3009. A 61" cable is available under Pioneer CA3005. Strangely, I could not find a listing for a 50" cable. |
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05-27-2016, 01:38 PM
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#6 |
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Registered User
Join Date: May 2007
Location: Erlanger, KY
Posts: 99
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Re: Speedometer Cable????
Nope.....Looks like this. I'm thinking that they ran out of 100" cables and just pieced together a cruise control set since there is not transducer, no evidence of one being mounted, not controls in the cab and no mention of cruise control on the option card in the glove box.
__________________
1980 GMC Sierra Grande C15 1987-1992 1988 Chevy Silverado K1500 1992-1996 1978 Chevy K5 Blazer 1998-2002 1998 GMC Sierra SL K2500 2002-2010 2007 GMC Sierra Classic 2500HD LBZ 2010-Present 1978 Chevy Silverado K20 2016-Present |
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05-29-2016, 02:21 PM
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#7 |
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Registered User
Join Date: Oct 2015
Location: Ottawa, Ontario, Canada
Posts: 766
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Re: Speedometer Cable????
You must have a two part cable.
__________________
 1977 REG cab Long Bed with a 1984 Front Clip, 82 305 .60 over 9.0.1 flat top pistons, 4bbl, TH350, w/84 SS-intake & cam , w/ 1977 big block rad, 1975 gear box, 1984 master w/ metric fittings top & SAE fitting @ portion block, 1975 3.42 gear open diff. Duel 77-87 Factory air cleaner, duel inlet from rad support . Down sized 9' to new 8' Steel flat bedWas a 77 454 w/308 gear. Taken out 550 lbs. up front with motor clip change. |
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05-29-2016, 03:03 PM
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#8 |
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Registered User
Join Date: Jul 2011
Location: SW Ontario
Posts: 1,212
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Re: Speedometer Cable????
Two part for sure. Just get the longer onepiece cable to go from speedo to trans.
Even if you decide to add cruise control later on you will need to buy a another new lower cable (male to male) to connect to the transducer. Alex. |
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06-01-2016, 09:38 AM
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#9 |
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Registered User
Join Date: May 2007
Location: Erlanger, KY
Posts: 99
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Re: Speedometer Cable????
That is the lower cable. I went ahead and ordered one from a speedometer shop so hopefully, the problem is solved. Thanks for the input
__________________
1980 GMC Sierra Grande C15 1987-1992 1988 Chevy Silverado K1500 1992-1996 1978 Chevy K5 Blazer 1998-2002 1998 GMC Sierra SL K2500 2002-2010 2007 GMC Sierra Classic 2500HD LBZ 2010-Present 1978 Chevy Silverado K20 2016-Present |
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