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I have a 2004 chevy 3/4 ton 4x4 and when I'm driving down the road my dash lights will get real bright and eventually go back to normal. My questions is this a dash problem or is it a voltage

I have a 2004 chevy 3/4 ton 4x4 and when I'm driving down the road my dash lights will get real bright and eventually go back to normal. My questions is this a dash problem or is it a voltage problem like from the alternator.

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  • 61 Answers

First make sure your battery and ground connections are clean and tight. Next check relays and fuses. Then voltage test your alternator.

Posted on Nov 19, 2014

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SOURCE: My 2004 Ford Freestar Dash light fade in and out

check for loose wire behind the alternator when the light are fading our running on the battery only the alternator ir not charging get that check as soon as you can the frestar gonna stall soon thanks pierre

Posted on Dec 15, 2008

Broncos1
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SOURCE: dimming lights and voltage drop

Its not unusual to have a sudden drop of volts. especially if you have something running like your a/c or heater that requires a lot of power to run. it will also do it when your fan kicks in. anything that requires power is going to kick down your voltage. i would not worry about it unless the battery starts to die overnight.

Posted on Mar 13, 2009

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SOURCE: 4x4 doesn't engage

that box does engage the transfercase to 4x4,there is a small electric motor on the transfercase thats probably bad,try hitting it lightly with a hammer because just like an electric window motor it has brushes in it as well,but its possible that motor is shorting out causing it to draw alot from the charging system,at least my 1993 Ford Bronco did the same thing and thats what i replaced and now it works fine.

Posted on Apr 23, 2009

yotaguy
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SOURCE: need Rear Brake Diagram for 1994 Chevy K2500 4x4

Here is the diagram,It is always a good idea to only disaasemble one side so you can use the other side as a reference,I also reccomend using a set od brake pliers,they will the disassembly and reassembly much easier.
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Posted on May 30, 2009

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SOURCE: 2001 chevy express van 3500 while driving security light comes on

You need to get the codes from the theft deterrent module.Usually a B2960.This will help in the diagnosis of the problem.Hope this helps.Good luck.

Posted on Apr 07, 2010

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