Speedometer Broken

[5NINE!]

Everything else works on the gauge cluster except the speedometer. The cluster has been checked and is good. The speedo sensor in the trans is also good. Where else should I be looking for the problem? This baby has 383000 on the odometer, but has thousands more in reality but because the speedo doesn't work, they don't count... and I don't know exactly how fast im going. I want to hit 500,000 on this slomaro.

[killa89trans]

check the wiring

[killa89trans]

check a wiring diagram, look for breaks in the wiring harness or melted wires

[meissen]

When I did my engine swap I had the same problem. It was the wiring where it goes over the transmission. If you have a multimeter measure continuity between the sensor and up above the engine.

[5NINE!]

That is what I was afraid to hear. Does anyone have a diagram for this wire, or should I just assume it is straight from the sensor through the harness to the dash

[2002Z4CSS]

What kind of vehicle? Electric speedo? If electric see if you are getting a speedo signal to the cluster.

[JoeliusZ28]

The signal might first go to the pcm before the cluster

[5NINE!]

97 camaro. It is an electronic sensor. Visually, the wires seem fine. They are cased in the plastic wrap the whole way and the wrap looks unmolested.

[JoeliusZ28]

maybe someone with hp tuners can scan to see if the pcm is getting a signal

[birdie2000]

97 Camaro 3.8 Speedometer Wiring Diagram.jpg97 Camaro 3.8 Cluster Connector.jpg

Edit: nevermind, might have been reading the diagram wrong. Hope these help somehow, I can get any wiring diagram you want if you find you need it.

[birdie2000]

Here's a better diagram showing the VSS wiring. C220 is in the passenger's side kick panel and is a good place to test to help narrow down where the break in the wiring is.

97 Camaro 3.8 VSS Diagram.jpg97 Camaro 3.8 Kick Panel Connectors.jpg

[5NINE!]

This will definitely help. Thank you.
BTW, my cruise does not work either. Now that I see this diagram, I think they might be related.

[killa89trans]

ya they could be related

[5NINE!]

Did a quick check of the wires to make sure there are good connections. Tomorrow I am going to bring out the multimeter. How exactly will I test to see if there is a break in the wire for the speedo? Does the sensor send a signal that can be picked up by the meter, or am I just testing continuity?

[birdie2000]

Testing continuity on the two wires between the sensor and the pcm, and on the wire between the speedo and pcm should be a good start.