What is the best route to run the speedometer cable?

78elk

Dragway Regular
Thread starter
Mar 6, 2014
1,082
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Mountain Home Id
Is it okay to run the cable on the driver's side, until it lines up with the cable mounting location on the transmission, or is there a better way?
 

Vilanus

Daily Driver
Jun 2, 2019
22
1
3
Canada
The cable does run on the driver's side. If you have a stock transmission cross member you will find a screw hole to secure the cable
 

78elk

Dragway Regular
Thread starter
Mar 6, 2014
1,082
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48
Mountain Home Id
Thank you. I had the cross member remade for my 2004r transmission. Part of my issue with the speedometer cable could be with the cruise control hook-up with the transmission. My cable in my opinion is too long. I'll keep you updated on what I figure out.
 

78elk

Dragway Regular
Thread starter
Mar 6, 2014
1,082
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48
Mountain Home Id
I wanted to turn the cable and get a reading on the speedometer. I have just put in a Rostra cruise control and want to check the cable at all connections. I took the 78 El Camino in and out gas into it. The speedometer didn't work at all.
 

Vilanus

Daily Driver
Jun 2, 2019
22
1
3
Canada
Things to check.
-Do you have the proper drive/driven gear combination?
-is the cable fully engaged in the transmission?
-does the cable rotate freely in the sheathing?
-Is the cable engaged in the gauge cluster?
-do you know that the cluster works?

I am not familiar with aftermarket cruise control units. I guess they have instructions or a tech line to assist you for proper hookup.

If the speedo gear was not meshed in all the way it could have been destroyed
 
Last edited:

78elk

Dragway Regular
Thread starter
Mar 6, 2014
1,082
73
48
Mountain Home Id
Thank you. The speedometer worked before I put in the cruise control. I need to check the fitting connection, to see if I have them together correctly. I'll try turning it from the transmission and the other connection fitting.
 

Longroof79

MalibuRacing Junkie
May 10, 2004
8,943
7
38
Gainesville, Fla.
I've used a cordless drill to test speedos and cables. As far as routing, there's not many variations running a speedo cable. They're usually too long and you have to loop them anyway.
 

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