speedometer doesnt work
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New User
Joined: Apr 2009
Posts: 9
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From: tennessee
speedometer doesnt work
Ive been told to disconnect my cable form the back of my speedometer and drive to see if the little cable inside moves.. It does!.But once i hook it up to my speedometer the needle doesnt move at all it stays on zero.! I wiggled the connecter on the back of the speedometer and the needle moves. I need some advice please!! Help me!!
Lead Driver
Joined: Jan 2003
Posts: 9,893
Likes: 12
From: Ohio
The needle is basically free floating, so if you wiggle any of it, it should move back/forth.
Pull the cluster and inspect the hole where the cable goes. Should have a nice square hole for cable. If not, it's stripped. Inspect the end of the cable and make sure it's nice and square too.
When putting it back together, make sure the cable sticks far enough out of casing to engage the speedo.
You should be able to spin the speedo by your fingers to get it to move. Should be enough "tab" sticking out. Make sure the speedo isn't broken.
Pull the cluster and inspect the hole where the cable goes. Should have a nice square hole for cable. If not, it's stripped. Inspect the end of the cable and make sure it's nice and square too.
When putting it back together, make sure the cable sticks far enough out of casing to engage the speedo.
You should be able to spin the speedo by your fingers to get it to move. Should be enough "tab" sticking out. Make sure the speedo isn't broken.
Post Fiend
Joined: Nov 2000
Posts: 6,060
Likes: 7
From: Glendale Arizona
Ive been told to disconnect my cable form the back of my speedometer and drive to see if the little cable inside moves.. It does!.But once i hook it up to my speedometer the needle doesnt move at all it stays on zero.! I wiggled the connecter on the back of the speedometer and the needle moves. I need some advice please!! Help me!!
The cable will not move while the vehicle is stationary (even if it is in Neutral) as it is attached to a meshed gear in the trans.
Garbz
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 783
From: Simi Valley, CA
Inside the speedometer cable housing is a woven steel core. As Garbz stated above, if you can spin it at the speedo end, it has snapped into two pieces.
This is typical, because the core was supposed to be lubed every so often. When the lube dries up, the core binds up in the housing and snaps.
Every autoparts store sells a universal speedometer cable core kit, which comes with replaceable squared extensions.
Cut the core to the correct length, the extensions slide over the end of the cable, then are crimped on. Install in the housing, lubricate with graphite or a thin coating of white lithium grease.
This is typical, because the core was supposed to be lubed every so often. When the lube dries up, the core binds up in the housing and snaps.
Every autoparts store sells a universal speedometer cable core kit, which comes with replaceable squared extensions.
Cut the core to the correct length, the extensions slide over the end of the cable, then are crimped on. Install in the housing, lubricate with graphite or a thin coating of white lithium grease.
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