1999 Chevrolet 3500 Pickup Q&A

1999 Chevrolet 3500 Pickup Question: TRANS WONT SHIFT OUT OF FIRST AND THE SPEEDOMETER AND RPM GAUGE WONT WORK

ALL FUSES ARE GOOD WHAT SHOULD BE MY FIRST STOP -
Answer 1
did the trans stop shifting at the same time the speedo stopped working?? Roy -