odometer question

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Long story short, I was trying to tint the clear cover on my gauge cluster on my '03 and some how or another it all came up missing, the entire gauge cluster.

My question is, is the odometer reading stored in the engine computer or in the gauge cluster or...? I only have about 70k miles on the truck and all the junkyard clusters have like 150k-250k+ miles on them. One junkyard said it gets the reading from the computer so it will read whatever it did before. However, another junkyard said the memory is stored in the gauge cluster and whatever the odometer read when it was pulled from their junk truck is what it will read when I put it in my truck.


So, if I buy a gauge cluster that reads like 200k miles in the junk truck, will that be what it shows in my truck? Or will it show the 70kish that my truck actually has on it?
 

WD40

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Welcome to SSD.com. I hope someone will be by soon that
can help you out with your question.
Doug
 

BIG JOE

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Pretty sure the reading comes from the PCM.

I agree, FOMOCO Diagnostic systems, throught the DIN port, by reading the PCM/ECM, can tell IF the odometer reading has been tampered with. They can't change it :)rolleyes:).. but they can tell if it has been violated.

So I say: it's stored in [your] PCM. Now.. getting YOUR PCM, to accept and change a replacement Dash Odometer read-out.......:dunno

I'd ask this question to a GOOD Ford Garage?

Joe
 

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