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#1
03-15-2016, 12:40 AM
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2002 Chevy venture electrical problem
I am having problem with the battery light coming on headlights on when switch is off the fule gauge dancing up and down radio works intermittently that's when I start the van it will only run a few miles and the battery will go completely flat I have changed the starter do not believe it is the alternator as there to many electrical problems thinking that a short somewhere can anyone PlEASE give advice as where to start and what to look at thanks
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#2
03-15-2016, 08:45 AM
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Re: 2002 Chevy venture electrical problem
You need to test the alternator to rule it good or bad. Battery dropping below 12v can cause all type of symptoms. I would be checking battery cables, specifically all grounds.
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Isitworthit (03-15-2016)
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#3
03-15-2016, 08:47 AM
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Re: 2002 Chevy venture electrical problem
I'd look at it as the alternator is causing all the electrical gremlins- system voltage drops can cause all kinds of havoc- so have the alternator tested- can be done on car at any autozone etc. System voltage needs to be 12.5+ at rest and near 14 or more when running. Internal battery shorts or even bad battery connections can also cause your issues.
Your battery light on is your biggest hint- chances are real good your alternator is going South... If you charge battery and it runs a few miles, then quits, then you are not putting juice back into the battery- Put a DVOM on the battery terminals when running- better be near 13+ volts or you will die again due to bum alternator. The vehicle battery light comes on at about 10.5 volts- system voltage- so you can believe that if you can't confirm with DVOM. Radio will die near 9 volts- and gauges go crazy on low voltage- so every indicator you have tells me system voltage is low- not any shorts anywhere. Shorts would blow fuses.
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Automotive A/C Engineer with: '99 IH 4700 Toy Hauler (2) '95 GEO Prizms both maroon '99 GMC Yukon '95 Chev 3500, 454 Dually Crew Cab- 145k miles- Wife's Camel trailer puller. '94 Astro- 370k miles '94 Firebird Formula- 5.7L 180k miles- gone- '92 Chevy Lumina Van 3.8L 264k '86 GMC S-15 - 2.8L 154k '87 Buick Park Ave . 187k '86 Buick Park Ave 3.8L 199k miles- gone '77 Chevy Vega- 2.5L 175k miles gone but not forgotten '68 Camaro 396 4 spd RS/SS -72k miles-
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#4
03-15-2016, 06:25 PM
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Re: 2002 Chevy venture electrical problem
Quote:
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