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03 C4500 speedometer shows 80 when only going 35
Posted to HD/Fleet Forum on 4/2/2014 5 Replies

Speedometer show 80 when only going 35 instrument has been replaced also speed sensor tech 2 ecu shows the same thing instrument cluster shows I inspected exciter ring it shows to b good no codes also trans shifts good Login to read more.

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car Vehicle Data

2003 GMC C4500 Topkick C4C042 6.6L

Engine6.6 L

car Vehicle Data

2003 GMC C4500 Topkick C4C042 6.6L

Engine6.6 L