Suzuki 2003-2007 DF60 DF70 Outboard Motors Service Manual, Page 269Get this manual
These ground points are most important for engine control systemAfter wiping off any dirt using cloth dipped with thinner, tighten bolts with ground wires securelyRoute wire harness (connected to MAP sensor), CKP sensor wire, CMP sensor wire and battery charge coil wire30A fuse case PTT motor relay ground wire (B) Fuse case wire (W) Starter motor sub cable (R)
WIRE ROUTING
ROUTING AND DIAGRAM
Route wire harness (connected to IAC valveIAT sensorfuse case communication connector), PTT cable (Bl and G), PTT motor relay ground wire (B) and starter motor sub cable (R)