starting issue

[motts23x]

Well my mother in laws 91 marquis is having problems starting.

It'll start of a boost/jump.

Brand New Battery,
Brand New Alternator,
Brand New starter.

Any ideas?

Wont crank, no clicking nothing, its like the battery wont hold a charge.

[peppermrj]

do the lights dim as you try to start the engine? Is the battery dead? Even a new battery can fail. Start it up and get it checked at an autozone for free.
Good luck.

[vtwindave]

Originally Posted by peppermrj

do the lights dim as you try to start the engine? Is the battery dead? Even a new battery can fail. Start it up and get it checked at an autozone for free.
Good luck.

check the battery cables for corosion under the shielding