Speedo Inaccurate

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SUBURBAN5

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If I were you I try 2 things. 1 try and trick the pcm to thinking you have a tire size that makes the cluster more accurate then now. Or 2 move the needle to get it to read more accurate towards the middle range.
 

dannyk11135

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If I were you I try 2 things. 1 try and trick the pcm to thinking you have a tire size that makes the cluster more accurate then now. Or 2 move the needle to get it to read more accurate towards the middle range.
thing is, that its not consistent across the entire speedometer so I wouldn't be able to move the needle where it needs to be or find a tire size that matches that. JUST got a new DRAC.
 

SUBURBAN5

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thank you, is it worth just buying a digital cluster?
Probably but aftermarket tends to charge an arm and a leg. Not to mention, I feel like you loose certain features. You can maybe go to a local junk yard and buy a few diesel clusters for 1 aftermarket. They'll be plug and play as well.
 

dannyk11135

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Probably but aftermarket tends to charge an arm and a leg. Not to mention, I feel like you loose certain features. You can maybe go to a local junk yard and buy a few diesel clusters for 1 aftermarket. They'll be plug and play as well.
The kicker is tryna find an obs diesel in ohio junk yards, I've only found gassers.
 

SUBURBAN5

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Probably! Thanks for the help. Any info out there on fixing whats wrong with the speedometers? I know you can fix the air crores system of the gauges.
There may be a company that can refurbished it or something but I don't know off hand who. But I've heard you send it in and they do there magic and send it back.
 

dannyk11135

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