Craftsman 486.245332 Owner's Manual page 7

STEP 9: (SEE FIGURE 9 AND 10)
Attach the sprayer to the tractor hitch and connect
the wiring to the tractor battery. The red wire must be
connected to the positive post on the battery or to
the "HOT" connection on a tractor switch or ammeter
The brown wire may be grounded or connected to the
negative battery post
IMPORTANT: Connect to 12 volt batteries only!
IN LINE SWITCH QUICK COUPLER
RED RED
BROWN
FIGURE 9
BROWN
BATTERY
NEVER allow negative pin on plug to
come in contact with positive "Hot" post
on battery Fire or explosion may result
PLUG
l
POSITIVE
"HOT"
POST
NEGATIVE PIN
- NEGATIVE
POST
12 VOLT TRACTOR BATTERY
FIGURE 10