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- - plug under hood (https://chevroletforum.com/forum/silverado-sierra-fullsize-pick-ups-21/plug-under-hood-14280/)

volkman

Mar 15, 2008 6:25 PM

plug under hood

O.K. Probably a stupid question but I just bought a 2000 Z71, and there is a cord with a 3 prong plug on it that looks the end of an extension cord. What is it for?

jlm6740

Mar 15, 2008 9:44 PM

RE: plug under hood

Probably an engine block heater.

redneck 4 life

Mar 16, 2008 11:28 AM

RE: plug under hood

yup its the block heater so when it gets cool outside u plug it in and then it will start right up

northey87

Mar 16, 2008 9:14 PM

RE: plug under hood

volkman, welcome to the forum!!! I third that opinion.

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