Electrical problem?

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by brunetce, Jan 29, 2012.

  1. brunetce

    brunetce New Member

    I have a 2003 Silverado 6.0L, while driving when I let off the gas all my electrics will dim and sometimes three to four time a day the truck will just stall, it can immediately start up and keep going no problem. No check engine light or warning lights. Also sometimes when I start the truck or come off the gas the horn will flicker. I've cleaned the terminals on the battery but no help.
  2. Z-71

    Z-71 Rockstar 100 Posts

    How many volts do you have with the engine off and with it idling?How old is the battery?

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