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01-04-2011, 07:51 PM
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#1 |
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U.S. Army Green Beret Sniper
 
Join Date: Dec 2009
Location: Enterprise Alabama
Posts: 57
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I could you some help
With my 72 C10 V8 running at idle, when I turn on the headlights the fuel gauge drops below empty, turn signal indicators become dim when that specific signal is used. My alternator is at 15.6 volts at idle. I have a internal regulator alternator. I was thinking that my system is not getting regulated properly. With the truck running at idle without the lights turned on, when I select any turn signal the gas gauge goes below empty. What do you think...........
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 "YOU CAN RUN AND YOU CAN HIDE, BUT YOU WILL JUST DIE TIRED"
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01-04-2011, 07:54 PM
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#2 |
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Senior Member
Join Date: Nov 2003
Location: Brookings, SD
Posts: 10,497
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Re: I could you some help
I think your cluster isn't grounded properly or your cluster isn't pinned correctly.
Did you switch from a dummy light cluster to a gauges cluster?
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Some people are like slinkies, they aren't good for anything, but you can't help but smile when you see one tumble down the stairs. |
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01-04-2011, 07:58 PM
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#3 |
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U.S. Army Green Beret Sniper
Join Date: Dec 2009
Location: Enterprise Alabama
Posts: 57
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Re: I could you some help
I changed the original style cluster electrical panel to the original configuration.
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"YOU CAN RUN AND YOU CAN HIDE, BUT YOU WILL JUST DIE TIRED"
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01-04-2011, 08:03 PM
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#4 |
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Senior Member
Join Date: Nov 2003
Location: Brookings, SD
Posts: 10,497
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Re: I could you some help
I am not following you (been a long day). What did you change?
__________________
Some people are like slinkies, they aren't good for anything, but you can't help but smile when you see one tumble down the stairs. |
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01-04-2011, 08:09 PM
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#5 |
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U.S. Army Green Beret Sniper
Join Date: Dec 2009
Location: Enterprise Alabama
Posts: 57
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Re: I could you some help
Sorry, I changed the cluster circuit panel that has the copper internal wiring for the instrument lights, turn signal indicators etc........
__________________
"YOU CAN RUN AND YOU CAN HIDE, BUT YOU WILL JUST DIE TIRED"
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01-04-2011, 08:21 PM
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#6 |
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Senior Member
Join Date: Apr 2004
Location: Greenville, Tx.
Posts: 286
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Re: I could you some help
It sounds as of u have a bad ground. sheck those out first.
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1968 chevy U.S. Navy |
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01-04-2011, 08:27 PM
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#7 |
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Registered User
Join Date: May 2001
Location: Benbrook, TX
Posts: 1,060
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Re: I could you some help
Ground the cluster. Small ground wire from cluster to a good ground under the dash.
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69 swb stepside, rebuild and upgrade in progress |
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01-04-2011, 08:42 PM
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#8 |
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U.S. Army Green Beret Sniper
Join Date: Dec 2009
Location: Enterprise Alabama
Posts: 57
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Re: I could you some help
Thanks, I will do that tomorrow. I will let you know what happens. Again thanks for the help and information....
__________________
"YOU CAN RUN AND YOU CAN HIDE, BUT YOU WILL JUST DIE TIRED"
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01-04-2011, 09:11 PM
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#9 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: I could you some help
i don't follow what it was you replaced, but if the interment panel was removed, then odds are you have a bad ground. Classic symptoms
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01-04-2011, 10:54 PM
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#10 |
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Registered User
Join Date: Aug 2009
Location: St. Paul MN.
Posts: 1,996
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Re: I could you some help
Normal alternator voltage should 13.5 to 14.6 your 15.6 seems a little high
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