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| The Scuppers This is a new forum for the not necessarily fishing related topics... |
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06-09-2013, 09:45 AM
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#1
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Registered User
Join Date: May 2005
Location: East Bridgewater
Posts: 350
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Any mechanics out there?
2000 GMC Sierra 5.3 lost ALL power. No electrical power period. This was after driving in rainstorm. Battery is charged. Out of the blue it started once but would not run. Then no power again. Intermittently power would come back but when tried to start I heard a click and no power again. Cleaned all battery connections. Checked all fuses and fusible link. Very warm and sunny today. When I hooked up battery power is back and vehicle appears to be running normally. Alternator is putting out 14V. Is this the starter getting wet or on it's way out and grounding out the electrical system?
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20' Aquasport CC 115hp Johnson 'SiouxToo'
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06-09-2013, 10:24 AM
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#2
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Super Moderator
Join Date: Aug 2000
Location: Middleboro MA
Posts: 17,119
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ask Andy
maybe a bad ground someplace else???
check battery connections again?
14 volts is normal I think
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The United States Constitution does not exist to grant you rights; those rights are inherent within you. Rather it exists to frame a limited government so that those natural rights can be exercised freely.
1984 was a warning, not a guidebook!
It's time more people spoke up with the truth. Every time we let a leftist lie go uncorrected, the commies get stronger.
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06-09-2013, 12:14 PM
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#3
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...
Join Date: Jan 2004
Location: MA/RI
Posts: 2,411
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No mechanic.
The alarm system may be at fault.
Posted from my iPhone/Mobile device
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06-09-2013, 06:17 PM
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#4
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........
Join Date: Apr 2002
Posts: 22,805
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if your battery ground on the other end of the cable
where it bolts to the car's frame has gotten loose
the cars alternator cannot charge the battery.
then when it is running:
it's running strictly off the battery
until it runs out of charge....
if you REV the engine the lights should go brighter
if the alternator is working and the battery's low
if your alternator isn't charging well because of a loose ground
your head lights will appear colored yellowish or dim
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06-09-2013, 06:58 PM
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#5
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...
Join Date: Jan 2004
Location: MA/RI
Posts: 2,411
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Check out the positive and negative connectors on the battery post to assure tightness and no wiggle.
Posted from my iPhone/Mobile device
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06-09-2013, 07:12 PM
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#6
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Registered User
Join Date: May 2005
Location: East Bridgewater
Posts: 350
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I have checked and cleaned all connections at the battery and starter. Voltmeter shows battery at 12+ volts with engine off and a good 14+ volts with engine running. Battery is charging and truck appears to be running normally again.  |
20' Aquasport CC 115hp Johnson 'SiouxToo'
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06-09-2013, 07:32 PM
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#7
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Registered User
Join Date: Dec 2002
Posts: 8,718
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Posted from my iPhone/Mobile device
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06-09-2013, 07:32 PM
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#8
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Registered User
Join Date: Dec 2002
Posts: 8,718
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It probably got wet and stopped working for a bit
Posted from my iPhone/Mobile device
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06-10-2013, 06:18 AM
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#9
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Land OF Forgotten Toys
Join Date: Sep 2009
Location: Central MA
Posts: 2,309
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Under the steering wheel where the fuse box is behind the fuse box is the main harness for that truck. Check to make sure the 5/16 screw is tight also. I own a 2004 that has given me fits electrically. You could have also soaked the Computer which is under the hood. Vehicle electronics are a major PITA
Posted from my iPhone/Mobile device
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06-10-2013, 07:08 AM
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#10
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"Fishbucket"
Join Date: Feb 2004
Location: Bahston Hahbah
Posts: 6,588
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get it running and start tugging on all the wires until it stalls.
Sound like bad connection somewhere
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