fuses
#1
11-03-2011 | 04:17 PM
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Joined: Mar 2011
Posts: 161
From: Thomasville NC
fuses
hey, i have a 96 blazer and i have a fuse prob. turn and brake light fuse keeps blowing. why is this? can anyone help me this is my only ride. the fuse blow as soon as i put them in. plezz help!
thanks,
jeff
thanks,
jeff
#2
11-03-2011 | 05:05 PM
BF Guru
Joined: Oct 2010
Posts: 5,962
From: Summit Ny
you have a short some where
IF you have a trailer plug id start there
IF you have a trailer plug id start there
#3
11-03-2011 | 05:50 PM
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From: Thomasville NC
great what do i do with the plug what do you mean.. sorry dont know anything about wires
#4
11-03-2011 | 05:54 PM
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Joined: Oct 2010
Posts: 5,962
From: Summit Ny
follow it see if you got any burnt wires or any hot wires touching the frame causing the fuse to burn
#5
11-03-2011 | 05:55 PM
Look for cuts in the wires that have power to them(hot wires)
#6
11-03-2011 | 05:55 PM
I'd start with getting a DMM. (Digital Multi Meter)
#7
11-03-2011 | 05:59 PM
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From: Thomasville NC
#8
11-03-2011 | 06:09 PM
It can tell you if a wire has a short to ground in places you can't see or find. It makes looking a little easier, because you can test the wires without searching along the whole thing.
#9
11-03-2011 | 07:13 PM
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From: Thomasville NC
alright thanks guys. if there is anymore tips plezz post them..
thanks for the help,
jeff
thanks for the help,
jeff
#10
11-03-2011 | 08:18 PM
BF Veteran
Joined: May 2011
Posts: 2,257
From: SW Central OH
a 12 v test light will work just fine for this and it's easier to read.
First, which fuse exactly and where?
You say you fuse blows immediately.. does that mean as soon as you install it or when you use brakes?
When you probe the top contacts of a blown fuse the light will light when the shorted circuit is activated.
Say, for example, the short is just past the brake switch.. have a helper press the brake and light would light.
If it lights with key off and no switch active then short is likely between the fuse and brake switch
First, which fuse exactly and where?
You say you fuse blows immediately.. does that mean as soon as you install it or when you use brakes?
When you probe the top contacts of a blown fuse the light will light when the shorted circuit is activated.
Say, for example, the short is just past the brake switch.. have a helper press the brake and light would light.
If it lights with key off and no switch active then short is likely between the fuse and brake switch
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