On Wed, 21 Dec 2011 22:45:47 +0000, Bill Wright wrote:

When you fitted the new battery did you tighten the terminals enough?
Could be worth checking.

Along with a dob of vaseline to keep them corrosion free. Check the
earth bonding straps from the engine block to the chassis as well.

The OP doesn't say what the actual problem is but assuming poor
starting it doesn't take much resistance any where in the high
current starter circuit to make things "difficult".

--
Cheers
Dave.