I have an 04 tahoe z71 and my speedometer is completely off, sometimes it will say i am going 60 MPH faster than i am, other times it doesnt work at all. Is there a speedometer cable for these tahoes or is it all electrical?
If the unit is defective do I have to buy a whole new guage cluster?
If the unit is defective do I have to buy a whole new guage cluster?
