Apr 18, 2015 #1 S Steve V Steve V's Automotive 757 560 2782 Joined Jan 5, 2004 Messages 4,376 Which one do you guys trust. I am thinking they should be the same since they are both generated by speedo cable. Got a 5 mph difference. Speedo is slow.
Which one do you guys trust. I am thinking they should be the same since they are both generated by speedo cable. Got a 5 mph difference. Speedo is slow.
Apr 19, 2015 #2 G GNRick Retired member Joined Mar 21, 2004 Messages 5,485 See what your GPS or Garmin says