S-10 & Blazer 1982-2005
The S-10 and Blazer was arguably the most versatile and accessorizable mid-size truck and SUV on the market.
Platform: S/T-series & GMT 330

HELP WITH A SHORT!!

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Old Jan 12, 2005 | 1:43 PM
  #1  
heveymetil's Avatar
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Default HELP WITH A SHORT!!


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<DIV class=smallfont>Help Help w/ a Short!!! </DIV>

<DIV>Ok...here goes...hopefully someone can help me so I don't have to go spending another 100 bux at some car place.

Here's the deal...

89 s-10 blazer, 2.8, 4x4...

I was fooling with my aftermarket radio about a week ago and wasn't getting any success...radio was broken...however, in the midst of my fooling around w/ the power wires, etc, I must have left one exposed...Come out to start my truck the next day and click, click, click...DEAD. I immediately suspected my actions from before. Tried to cover all exposed wires ...still nothing. Finally end up jumpin it w/ my mom's Bonneville, and it runs fine. Next day...DEAD again.

The long and short of it is that I finally just went out and got a battery, hoping the old one just bit the dust. But, a day after I ran it...DEAD again. So I'm testing everything w/ a test lite...all the fuses...and looking in Haynes at the electrical diagrams to see what's hot all the time blah blah.

Here's my ques...in the manual to find a short it says to take out the fuses and put in the lite...if it lites then there's a short...but aren't there some fuses that are ALWAYS hot, meaning that you would get a lite if you're connected to ground????

How do i go about really zeroing in on this problem...I can use any help I can get...THANK YOU

Warren T.</DIV>
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Old Feb 3, 2005 | 11:50 AM
  #2  
RATMAN's Avatar
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Joined: Jan 2005
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From: United States
Default HELP WITH A SHORT!!

HERES A TRICK; IF A BATTERY GOES DEAD WHEN A CAR SITS ( FROM A SHORT). DISCONNECT EITHER CABLE AND CONNECT A TEST LIGHT TO IT. TOUCH THE OTHER END (OF LIGHT) TO THE BATTERY. IF THE TEST LIGHT LIGHTS UP THEN YOU HAVE CURRENT FLOW. MAKE SURE DOME LIGHT AND UNDER HOOD LIGHT BULBS ARE OFF. TO FIND THE BAD CIRCUIT, PULL INDIVIDUAL FUSES UNTIL THE TEST LIGHT GOES OFF. THAT WILL BE YOUR BAD CIRCUIT.<IMG src=smileys/smiley4.gif border="0">
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