Dodge 2009 Ram Chassis Cab - Manual (Page 330)

WARNING!
Do not permit vehicles to touch each other as this
could establish a ground connection and personal
injury could result.
2. Connect one end of the other jumper cable to negative
(-) post of booster battery. Connect the other end of the
jumper cable to a good ground on the engine block of the
Attaching Booster Cables
1 — Discharged Battery
2 — Booster Battery
328 WHAT TO DO IN EMERGENCIES