usually the ground wire is underneath that cooling fan, right where the engine mounting bolts are. Kind of below the Oil FILTER
I have a 2001 550.. so it may be different.
Go to this website: Kawasaki Partshouse, BABBITTS ONLINE.
Shocks are $389 for 2. Brand new OEM. WHATEVER YOU DO DO NOT use a place called. PARTZILLA just a scam...
Do you know what year model it is??
I currently have mine tore down, Re building the engine...I use mine for work around our small "ranch"..... And driving back and forth at my Grandma's beck, and call..