GM Service Manual Online
For 1990-2009 cars only

Battery Usage Non HP2

Base & (HP2/PHT) Underhood

Cold Cranking Amperage (CCA)

600 A

Reserve Capacity Rating

115 Minutes

Replacement Battery Number

78-6YR

Optional (Dual)

Cold Cranking Amperage (CCA)

770 A

Reserve Capacity Rating

115 Minutes

Replacement Battery Number

78-7YR