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The Buick Lucerne is a full-size upscale sedan sold by Buick from 2006 to 2011.

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blows fuse when trying to crank

When I try and crank the engine the 40 amp fuse for the crank blows immediately

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You have a short circuit. Disconnect the solenoid wire for the starter and try cranking again. Of course the engine will not crank but if the fuse does not blow then you need a new solenoid. If the fuse still blows the short is in the wiring. Inspect and repair as required.

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Raymond Febles crwdns2934231:0crwdne2934231:0
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