cranks over slow sometimes wont start ticking in motor will start with a jump on 1991 Mazda 929

It has a new battery new alternator when going up a inclin the car loses power. The battery,starter,alternator was tasted and fine

by in Cheyenne, WY on April 07, 2013
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1 answer 2 comments
ANSWER by , April 07, 2013
charge and load test battery and recheck charging system
COMMENT by , April 07, 2013
I gotta ask, who tasted the battery starter and alternator and said it was fine?
COMMENT by , April 07, 2013
Napa and all those parts are new I can't understand why the car loses power going up a incline either