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Speedometer pegged

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Old Apr 14, 2023 | 08:20 PM
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St. Jude Donor '12-'13-'14
Default Speedometer pegged

I saw a fifteen yr old thread that didn’t resolve the problem. Happened after a dead battery and subsequent charge. Tried pulling and placing the battery cables. No startup sweep. Nothing. All other gauges working fine. Please tell me it’s a simple fix. Thx
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Old Apr 15, 2023 | 05:13 PM
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Sounds like the cluster is bad. If all of the gauges sweep except for the speedometer it's probably an internal custer failure since the gauge should always sweep when the key is turned on. Changing cluster is not as bad as it seems.
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Old Apr 15, 2023 | 05:28 PM
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Originally Posted by jbondfl
Happened after a dead battery and subsequent charge.
As above you may need a new cluster if everything sweeps but the speedo. However, you mentioned a dead battery and a charge. I'd first get a new (new) battery and put that in. Our C5s are very wonky with electrical situations and a weak battery tends to bring out the worse. What does your DIC say for battery condition?
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Old Apr 16, 2023 | 08:28 AM
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Battery is almost new. It just sat for a month and trickle died because I didn’t use the trickle charger 😒.
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Old Apr 18, 2023 | 09:36 PM
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