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block heater?

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by ss_silverado_phoneix99325, Oct 8, 2007.

  1. ss_silverado_phoneix99325

    ss_silverado_phoneix99325 New Member

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    Absurd this may sound. Is there any way leaving your block heater on to long on a cold winter night could do damage to your vehicle? 99 silverado
    #1
  2. Cableguy

    Cableguy New Member

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    I plug my 99 Savanna in when it drops below -20c. I've never had a problem. (Overnite)
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  3. Kevo700r

    Kevo700r New Member

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    I know I am late to the thread but I use to live in Fairbanks, AK and the truck was plugged in 24hrs. Really the only time it wasn't was when it was running. Had no problems.
    #3
  4. SlimyAvocado

    SlimyAvocado New Member

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    I left my blazer plugged in for days...no problems...
    waste of electricity, but no issues...
    Fleets and bus companys leave thier trucks plugged in over the weekend...Only thing I can see happening would be shortening the life of the heater.
    #4

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