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» Northern California Ford Owners     » Automotive   » Tech Talk   » speedometer problems

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Author Topic: speedometer problems
925GT50
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Member # 2683

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i was driving today after i installed my x pipe and noticed the speedo got jumpy then dropped and nothing.

Now i have no mph readings or odometer as well. what shoould i look for bad speedo cable?

its on a 90 gt

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1990 GT hatch (owned since 05')
1988 GT (sold)
1995 SN95 Cobra (totaled/parted)
1995 Pontiac Firebird Trans Am LT1 (daily driver)

Posts: 2443 | From: 925 | Registered: Apr 2003  |  :
Blind
2.3L
CAFords OG
Member # 3052

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personally I'd look for a melted speedo cable stuck to your new X pipe.

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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi

Posts: 8521 | From: Fairfield | Registered: Jul 2003  |  :
925GT50
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ok a section of the cable is melted, i noticed it before though. when i had my clutch done, dude didnt fully secure the cable.

I guess i have to replace the whole cable correct?

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1990 GT hatch (owned since 05')
1988 GT (sold)
1995 SN95 Cobra (totaled/parted)
1995 Pontiac Firebird Trans Am LT1 (daily driver)

Posts: 2443 | From: 925 | Registered: Apr 2003  |  :
adower
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Member # 5955

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quote:
Originally posted by NOR-CAL*925* GT 50:
ok a section of the cable is melted, i noticed it before though. when i had my clutch done, dude didnt fully secure the cable.

I guess i have to replace the whole cable correct?

Id say yes. I hear routing the cable is a pain in the ass.

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98 Cobra
Griggs
S Trim
HRE

Posts: 3327 | Registered: Aug 2005  |  :
Blind
2.3L
CAFords OG
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routing the speedo cable is really easy, there's 1 metal clip on the frame rail on the drivers side that you attach it to, then just get it into the VSS on the trans and into the right hole on the firewall so you can hook it to your speedo.

pretty easy, but still a pain in the ass to have to pull the gauge cluster, I hate doing that.

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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi

Posts: 8521 | From: Fairfield | Registered: Jul 2003  |  :
925GT50
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Member # 2683

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ya i hate messing with the cluster. im going to order a new cable from 50resto. ill keep updateing as i progress. [patriot]

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1990 GT hatch (owned since 05')
1988 GT (sold)
1995 SN95 Cobra (totaled/parted)
1995 Pontiac Firebird Trans Am LT1 (daily driver)

Posts: 2443 | From: 925 | Registered: Apr 2003  |  :
adower
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quote:
Originally posted by NOR-CAL*925* GT 50:
ya i hate messing with the cluster. im going to order a new cable from 50resto. ill keep updateing as i progress. [patriot]

Please post progress. I have to do this also very soon! [patriot]

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98 Cobra
Griggs
S Trim
HRE

Posts: 3327 | Registered: Aug 2005  |  :
925GT50
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ok I installed my new cable from 50resto and i still have the same problem. It went straightforward but was also a PITA.

Could the sensor that the cable plugs in be bad?

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1990 GT hatch (owned since 05')
1988 GT (sold)
1995 SN95 Cobra (totaled/parted)
1995 Pontiac Firebird Trans Am LT1 (daily driver)

Posts: 2443 | From: 925 | Registered: Apr 2003  |  :
nor*cal93ssp
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quote:
Originally posted by Blind:
routing the speedo cable is really easy, there's 1 metal clip on the frame rail on the drivers side that you attach it to, then just get it into the VSS on the trans and into the right hole on the firewall so you can hook it to your speedo.

pretty easy, but still a pain in the ass to have to pull the gauge cluster, I hate doing that.

i hear you on removing the cluster...most of them are a B I T C H!!!!!to come out, Ford makes the wiring an exact length with no slack to give u much room to work with...GL!
Posts: 68 | From: 650 | Registered: Dec 2003  |  :
925GT50
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CLuster took 5 mins tops to pull, now i replaced the cable but still have the saem problem?

Im thinking its the gear, or the sensor that could be bad. any else run into this problem?

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1990 GT hatch (owned since 05')
1988 GT (sold)
1995 SN95 Cobra (totaled/parted)
1995 Pontiac Firebird Trans Am LT1 (daily driver)

Posts: 2443 | From: 925 | Registered: Apr 2003  |  :
JohnB
Tech Moderator
Member # 969

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Sensor has no effect on your speedo. One of four things are bad; speedo, speedo gear, trans internal speedo gear, cable. That's it.

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1965 Shelby Cobra
1993 Cobra
2012 F150 Raptor
2020 GT500

Posts: 6523 | From: Orlando FL/Redding CA | Registered: Mar 2002  |  :
925GT50
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Member # 2683

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Im going to check the gear that the sensor plugs into. ill ed up replacing it most likely. if it still doesnt work im going to swap out the cluster. thanks everyone for the help.

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1990 GT hatch (owned since 05')
1988 GT (sold)
1995 SN95 Cobra (totaled/parted)
1995 Pontiac Firebird Trans Am LT1 (daily driver)

Posts: 2443 | From: 925 | Registered: Apr 2003  |  :
LQ9SN95
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Member # 7080

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try the speedo gear. worth a shot and the next cheapest thing to do.

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http://www.fastgms-teamfast.com
http://www.facebook.com/aop.fresno?ref=ts&fref=ts
Lq9 swap
102 fast intake
Trick flow heads
T rex cam

Posts: 8031 | From: Fresno, Ca | Registered: Sep 2006  |  :
Ricks Hot Rod Lincoln
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Member # 7637

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If you need to get a new gear, make sure it has the correct number of teeth and that the teeth run the same direction as the old one. Ford makes the with right and left handed teeth.

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Son, Ya gonna drive me to drinkin if ya don't stop driving that Hot--Rod--Lincoln.

Posts: 46 | From: Sacramento, CA | Registered: May 2007  |  :
Curt
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Member # 6254

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when you pull the cluster you can install brighter backlights! I put LED's in mine

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'90 GT
'94 Toyota 4wd "It have problem"
'56 F100 5.8 AFR185's Vortech SC S-trim

Posts: 866 | From: Monterey/Rocklin | Registered: Nov 2005  |  :


 
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