FORD 2010 Mustang v.2 - Manual (Page 240)

2. Connect the other end of the positive (+) cable to the positive (+)
terminal of the assisting battery.
3. Connect the negative (-) cable to the negative (-) terminal of the
assisting battery.
+ –
+ –
+ –
+ –
Roadside Emergencies
240
2010 05+ Mustang (197)
Owners Guide, 2nd Printing
USA (fus)