Diesel Laptops CAT in GMC and Chevrolet Trucks OBDII Cable for DPA5
This is an OBDII diagnostic cable for GMC or Chevrolet trucks with CAT engines for DPA5. Works with DG Tech DPA5. The OBDII is pinned slightly differently in GMC and Chevrolet trucks with a CAT engines and can't be read by standard OBDII cables.