Question about 1999 Chevrolet Silverado 1500

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I have a 1999 fullsize chevy pu truck 4.8liter 2wd security light on dash is on,and headlights dont work had to boost it to get it started run allright security lights stays on. i drive truck so it sits some time for a week or so at a time.

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Hi there,

In the key there is a small pellet that is a resistor set to a value that the engine management computer is looking for. If the pellet is dirty or wet the car will not start or starts some time. Clean the key with WD40 or alcohol and dry it well. Then try to start the car. If no good spray the key lock where the pellet contacts are with Radio shack tuner cleaner (or electrical contact cleaner) if still no go contact dealer for repairs.

Good Luck!!
Thanks

Posted on Jun 21, 2009

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Posted on Jan 02, 2017

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