[vegas7.3psd]

Hi all,

I recently realized that my battery voltage gauge in the cluster is always pegged at 18v, no matter what the truck is doing. The the key is off, the needle drops down to about 11v and goes no further. It would seem to me that the gauge is faulty. I pulled up the volt gauge on my Bully Dog GT and it show just under 13v at idle and when I rev it the number jumps up almost to 14v. So I don't think its the way the truck is sensing the voltage (however that's done).

Has anyone replaced the Voltage gauge in the cluster? Can that even be done? Is there some other way to fix it?

Thanks for the help!

 

[Strokedrd]

I would try to replace the cluster.. in my opinion it would be easier


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[vegas7.3psd]

I would try to replace the cluster.. in my opinion it would be easier


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If I replace the cluster, wouldn't that alter my odometer? If it would how to I get the new cluster to show the correct odometer reading?

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[Strokedrd]

What year truck do u have?


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[Strokedrd]

Is it a roll odometer or digital


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[vegas7.3psd]

What year truck do u have?


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2000 ccsb

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[vegas7.3psd]

Is it a roll odometer or digital


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Its a mechanical odo.

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[NoRalPh]

Before you do anything that drastic, call circuitboardmedics and see what they think. This could be just a simple repair -> https://circuitboardmedics.com/ford-instrument-cluster-repair/

 

[vegas7.3psd]

Before you do anything that drastic, call circuitboardmedics and see what they think. This could be just a simple repair -> https://circuitboardmedics.com/ford-instrument-cluster-repair/

Thanks for the tip. I'll see what they think about it.

I was also thinking I could grab a cluster from the junk yard and swap it for testing purposes and then if the gauge works right, maybe swap circuit boards or if its possible swap the specific gauge only.

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[Strokedrd]

Thanks for the tip. I'll see what they think about it.

I was also thinking I could grab a cluster from the junk yard and swap it for testing purposes and then if the gauge works right, maybe swap circuit boards or if its possible swap the specific gauge only.

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Good idea.. although I don't know how switching a single gauge would work I've never actually opened cluster


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[deezntuz]

To me it sounds like it's 180 degrees out. By that I mean the gauge sits at 14 when off so the indicator thinks that's zero and it pegs out because it's trying to reach the normal operating voltage. I'd need to see the diagram but wiring seems wrong to me. It may be wired incorrectly or the gauge internally went bad.


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[vegas7.3psd]

To me it sounds like it's 180 degrees out. By that I mean the gauge sits at 14 when off so the indicator thinks that's zero and it pegs out because it's trying to reach the normal operating voltage. I'd need to see the diagram but wiring seems wrong to me. It may be wired incorrectly or the gauge internally went bad.


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That's exactly what's happening. I've been looking online to funds a way to either recalibrate it or repair it. So far no luck.

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[NoRalPh]

You know those needles just pull-off, you might be able to remove that pointer and push it back on at "0"...

 

[vegas7.3psd]

You know those needles just pull-off, you might be able to remove that pointer and push it back on at "0"...

Hmm. That's a novel idea. I think I'll try it before I buy the junk yard one.

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[lodiengineer]

You know those needles just pull-off, you might be able to remove that pointer and push it back on at "0"...

Or, even better, pull it off, energize it, turn on your bully dog, and put the needle back on with it pointing at the voltage indicated on the bully... Calibrated

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[deezntuz]

If it does pull off, which I'm sure it does as noralph says, it will be keyed. Not sure how many but obviously not dummy proof if it can be installed more than 1 way. Hopefully you can just change needle positions and it's not the receptacle that needs to be put in the right position.


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[vegas7.3psd]

@deezntuz I'll document it when I pull it apart to find out what can be accomplished.

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[deezntuz]

@deezntuz I'll document it when I pull it apart to find out what can be accomplished.

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Access would be the only hard part but being miskeyed isn't a big deal as long as you can get hands on it to do the adjustments. Receptacle may have guide pins to insure proper placement and can break. Just another thing to check while your in there.


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