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Speedometer Problem - Help!

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Old Nov 18, 2007 | 11:56 AM
  #1  
ivanogburn's Avatar
ivanogburn
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From: Texas
Speedometer Problem - Help!

Here is a damn stupid question but I can't find an answer!
I have this '77 Ford truck I just bought to rod and it came with a GM TH400 tranny.
Currently the speedometer is not hooked up!
My question is will I need a special cable to connect the Ford speedometer to the GM trany? Or is there a better way to hook this up?

It would be really cool if there were a newer electronic speedometer that would fit in the space for the rectangular Ford speedometer.

Man I need some help!
 
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Old Nov 19, 2007 | 04:14 PM
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trinogt
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From: Eustis FL
Yikes! GM parts on a Ford???
Questions like this will be harder to get answers for, especially since we here at FTE generally stick to Ford parts for Ford trucks... You have a gm engine too?

You could look at aftermarket speedos made for the gm trans I guess, and see what will work in place of the factory speedo.
Sorry, but I go nuttin' else for ya!
 
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Old Nov 20, 2007 | 07:08 AM
  #3  
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rusty7983
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From: hohenwald, tn
junk the chevy crap. get yourself a c6 and a 460.
 
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Old Nov 20, 2007 | 07:14 AM
  #4  
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NumberDummy
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Originally Posted by ivanogburn
Here is a damn stupid question but I can't find an answer!
I have this '77 Ford truck I just bought to rod and it came with a GM TH400 tranny. Currently the speedometer is not hooked up!
My question is will I need a special cable to connect the Ford speedometer to the GM trany? Or is there a better way to hook this up?
All speedo cables use the same basic inner core. What you need to do is get two speedometer cable housings, the Ford housing for the speedo end, the GM housing for the trans end...and splice them together. Then insert the replacement core (found at any autoparts store) into the spliced together housing. Voila!
 

Last edited by NumberDummy; Nov 20, 2007 at 07:17 AM.
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