SPEEDO STAYS AT ZERO (89 coupe)

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01-12-2010, 09:50 PM

STR CUSTOMS

Thread Starter

Join Date: Aug 2009

Location: TX(956)

Posts: 6

SPEEDO STAYS AT ZERO (89 coupe)

got a 1989 5.0 coupe 5-speed...but the speedo stays at zero. should i look into the cable being broken? or any other causes?? any advice is greatly appreciated...

Last edited by STR CUSTOMS; 01-12-2010 at 09:57 PM.

01-12-2010, 10:22 PM

tohoopty

4th Gear Member

Join Date: Sep 2008

Location: point pleasant,west virginia

Posts: 1,212

look under the hood to see if the cable is melted.alot of people dont tie them out of the way and they lay on the header

01-12-2010, 10:42 PM

dreamer1uk

3rd Gear Member

Join Date: Feb 2008

Location: IL

Posts: 877

Hi,

You could also pull the instrument cluster out and check the cable back there as well as at the back of the speedo gauge

01-13-2010, 07:28 AM

STR CUSTOMS

Thread Starter

Join Date: Aug 2009

Location: TX(956)

Posts: 6

thanks, ill be sure to check those things out...

01-13-2010, 07:54 AM

projectresto83

M.A.D. Motorsports

Join Date: Jul 2006

Location: Indiana

Posts: 8,014

Also check at the transmission and see if the cable is actually connected.

01-13-2010, 12:57 PM

mattdel

6th Gear Member

Join Date: Nov 2006

Location: Spfld, MA

Posts: 9,240

Every time a thread like this gets posted, the last thing mentioned is the plastic gear at the end of the cable, which happens to be the most wearable and likely suspect for an inop speedo.

01-13-2010, 10:35 PM

cholericfc

3rd Gear Member

Join Date: Jan 2008

Location: Pennsylvania

Posts: 580

1.) Underhood check for melted wires.
2.) Is it connected to the trans?
3.) If it is connected, take it off and check the plastic gear for wear.
4.) If everything's fine, then your speedo might not be connected to the back of your instrument cluster?

Mattdel is right, and even if the speedo gear is not fully worn out, it can make your needle bounce and jump around.