2005 Chevrolet Van gauges-electrical

Tiny
ASTROSERV11
  • MEMBER
  • 2005 CHEVROLET VAN
  • 6.5L
  • V8
  • 2WD
  • AUTOMATIC
  • 85,000 MILES
Gauges started randomly dropping ( about two weeks) then after refueling, the van would not start or idle.
Pulled power to reset and after ten minutes it started and ran. I cleaned most grounds and tried cleaning and spraying connectors on sensors and computer s. It seemed fine but the gauges still dropped a few times and next fueling it would not idle up at all, very slow and rough then stalls.
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Friday, November 14th, 2014 AT 8:32 PM

3 Replies

Tiny
MHPAUTOS
  • EXPERT
The gauge problem sounds like a bad earth or a voltage problem, what is the alternator output and have you done a load test on the battery? The idle issue may be related but I would also check the IAC (idle air control motor) this may be dirty or faulty, start here.
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Friday, November 14th, 2014 AT 8:52 PM
Tiny
ASTROSERV11
  • MEMBER
Checked battery and alternator at auto parts store, they didn't even try to sell me anything!
Suggested testing ignition switch? Do you know which leads should energise on key "on"?
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Saturday, November 15th, 2014 AT 8:54 AM
Tiny
MHPAUTOS
  • EXPERT
Should be a heavy gauge red wire for battery feed to the ignition switch.
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Saturday, November 15th, 2014 AT 1:48 PM

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