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International Automotive Technicians Network
Re: G.M. intermittent speedo at 200kmph
Posted to Technical Discussion Forum on 3/15/2009 1 Reply

If you do the cluster, DO NOT PLUG IT IN without recording mileage and hours of the previous unit. The cluster is "supposed" to download that info from the BCM, but I had one I had to flash using the IPC replacement prodecure on TIS2WEB.

If you plug it in, w... Login to read more.

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