I have a e350 ambulance,I am getting 12.2 on the volt meter and its not starting on 1993 Ford E-350

I purchased 2 920 cranking amps batteries and when I tumble the motor it seems to tumble slow

by in Culebra, PR on January 16, 2013
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4 answers 2 comments
ANSWER by , January 17, 2013
diesel i assume. ck starter for amp draw.
COMMENT by , January 20, 2013
Hi,thank you for your reply....how to check for amp draw?
ANSWER by , January 16, 2013
you could have a bad starter
COMMENT by , January 20, 2013
The starter was just serviced,thank you.
ANSWER by , January 16, 2013
Also, have alternator checked for proper recharge levels.
ANSWER by , January 16, 2013
is battery voltage at the starter?