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Chevy 1997 3500 vortec won''t crank in cold

Brand new battery but same problem. when the temp. outside dips below 18 degrees or  so  F. all i get is a click. jumping doesn't work. have replaced starter relays. when  the weather warms it starts right up. In the no start condition I hear the fuel pump run and hear 1 click then nothing. Help?

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CHECK BATTERY WITH A LOAD TESTER,CHECK CABLE CONNECTIONS,AN STARTER . TRY JUMPING WITH A BOOSTER PAK THAT SHOULD START IT IF NOT REPLACE STARTER.

Posted on Feb 28, 2009

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