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fuzzyluv
 Post subject: Problem with my 79
PostPosted: Tue Nov 25, 2003 5:46 pm 
Lights go bright and then dim then bright several times within a minute...what is the deal....voltage regulator? Please help 8O
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Geovoni
 Post subject:
PostPosted: Tue Nov 25, 2003 5:53 pm 
do you have a stereo ? or something else in your truck that might drain energy ?Is your battery any good ? is your alternater good ?
Well those are just some things i can think of off the top of my head ...
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fuzzyluv
 Post subject:
PostPosted: Tue Nov 25, 2003 6:01 pm 
It does it when the sterio is off.....but I will have to check on the battery and alternator...thanks for the help.
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Chevyrace4x4
 Post subject:
PostPosted: Tue Nov 25, 2003 6:26 pm 
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Joined: Mon Jan 13, 2003 4:19 pm
Posts: 143
Location: Monroe,Wa
it would most likely be your alternator.

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MEPR
 Post subject:
PostPosted: Tue Nov 25, 2003 8:01 pm 
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Posts: 3427
Location: McChord AFB WA by way of Spokane WA
see if they do it whith the motor not running. Something like this is either voltage regulator or alternator. But if the regulator is going heywire i would think you would have fuses blowing. Well pull the alt and take it to a parts store to have it tested, most will do this for free. If it checks out then its your voltage regulator.

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luvmuddin
 Post subject:
PostPosted: Tue Nov 25, 2003 10:44 pm 
start your truck then disconnect the battery cable.if it dies or acts silly its the alternator.
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John Schoolcraft
 Post subject:
PostPosted: Wed Nov 26, 2003 7:14 am 
My 79 was doing the same thing a few years ago....i unhooked the small black wire on my alt. , and it stoped doing it....still runnen' good!
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smokinLUV
 Post subject:
PostPosted: Wed Nov 26, 2003 8:03 am 
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Joined: Fri Jun 06, 2003 9:10 pm
Posts: 683
Location: Flatland, Saskatchewan, Canada
^^^ Thats what i did!!^^^ It ran good after that....till i broke the engine.... :roll: :lol:

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-1981 Chevy LUV, 283SBC, T350 Trans, White In Colour, Long Box, Never Ending Project!
-2001 F-350 Superduty XLT 7.3L Diesel Auto, Ext. Cab, Long Box, White In Colour
-1998 F-150 XL 4.2L V6 5spd , Reg. Cab, Flareside SB, Red In Colour
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smokinLUV
 Post subject:
PostPosted: Wed Nov 26, 2003 8:04 am 
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Joined: Fri Jun 06, 2003 9:10 pm
Posts: 683
Location: Flatland, Saskatchewan, Canada
^^^ Thats what i did!!^^^ It ran good after that....till i broke the engine.... :roll: :lol:

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-1981 Chevy LUV, 283SBC, T350 Trans, White In Colour, Long Box, Never Ending Project!
-2001 F-350 Superduty XLT 7.3L Diesel Auto, Ext. Cab, Long Box, White In Colour
-1998 F-150 XL 4.2L V6 5spd , Reg. Cab, Flareside SB, Red In Colour
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fuzzyluv
 Post subject:
PostPosted: Wed Nov 26, 2003 12:56 pm 
Pulled the battery cable off while it was running and it did not act funny at all...will check if it does it with the engine off..... :x
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