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wire to fuel pump wire, fuse gets very hot


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kmn5 
Copper - Posts: 66
Copper spacespace
Joined: April 21, 2003
Location: United States
Posted: August 24, 2009 at 7:58 PM / IP Logged  
I rewired my fuel pump to pull power direct from the battery via a relay And in between the relay and the battery I have a 12 gauge wire fuse holder and the section between the fuse and the battery gets very hot (yellow/red wire)the fuse holder is very hot too
wire to fuel pump wire, fuse gets very hot -- posted image.
the wire before and after the fuse are the exact same gauge
the wire leading from the fuse to the relay is cold... odd, right?
What can I do to fix this?
I haven't found any blade fuse holders with wires that are 8 gauge or bigger
I was thinking of the stereo tube fuse holders
What do you guys use??wire to fuel pump wire, fuse gets very hot -- posted image.
then I can use a 8 gauge wire
what do you guys think?
i am an idiot 
Platinum - Posts: 13,666
Platinum spaceThis member consistently provides reliable informationspace
Joined: September 21, 2006
Location: Louisiana, United States
Posted: August 24, 2009 at 8:21 PM / IP Logged  
Make sure the connection to the battery is crimped tightly, and make sure the fuse fits tightly on the left side of the fuse holder.  If it is loose, using a pair of pliers or a vice, with the fuse out of the holder, squeeze the holder to make the fuse fit tighter.   Resistance = Heat.  Since the wire on the other side of the fuse holder is the same size, there has to be a bad connection in one of the 2 mentioned locations.  
Let's Go Brandon Brown. Congratulations on your first Xfinity Series Win. LGBFJB
kmn5 
Copper - Posts: 66
Copper spacespace
Joined: April 21, 2003
Location: United States
Posted: August 24, 2009 at 8:26 PM / IP Logged  
i am an idiot wrote:
Make sure the connection to the battery is crimped tightly, and make sure the fuse fits tightly on the left side of the fuse holder.  If it is loose, using a pair of pliers or a vice, with the fuse out of the holder, squeeze the holder to make the fuse fit tighter.   Resistance = Heat.  Since the wire on the other side of the fuse holder is the same size, there has to be a bad connection in one of the 2 mentioned locations.  
Thanks!
this is the best answer I've gotten
(from the other forums, people have only suggested going to bigger wires, or shorter wire... yea that last one didn't make sense to me either)
t&t tech 
Platinum - Posts: 2,601
Platinum spacespace
Joined: October 05, 2008
Location: Trinidad and Tobago
Posted: August 26, 2009 at 9:32 PM / IP Logged  

He is an absolutely brilliant fellow isn't he! I'm sure you would have never thought had you judged by his name!wire to fuel pump wire, fuse gets very hot -- posted image..

Cheers, Mr idiot, i read that piece of info a long time ago from you, it has clarified alot of small issues i've encountered during the brief time i've been installing. I must say thank you even though it wasn't directed to me!

JW.ORG.
COMMIT YOUR WAY TO JEHOVAH AND HE WILL ACT IN YOUR BEHALF.
PSALMS 37:5
tommy... 
Gold - Posts: 1,901
Gold spacespace
Joined: December 10, 2004
Location: United States
Posted: August 26, 2009 at 10:16 PM / IP Logged  
I see those blade fuse holders do that quite often...I would recommend just to replace the fuse/fuseholder w/ maybe a mini-anl fuse and fuse holder...Stay away from the glass tube holders and fuses(agu)...Normally the solder in the tips of those glass fuses where the rod meets the cap in the inside of the fuse has the same issue and melts the fuse holder and eventually ruins the fuse...Maybe w/ a lower current draw the AGU fuse holder would be OK ...?Just what i have experienced....Bussman is a good company...! And of course you could always squeeze the female spades in the inside of your current holder...Be sure to look at the condition of the female spade in the holder also...Is it charred and lost its coating...? Another reason to replace if it is... Oh and if it is the connection at the battery...Dis-regaurd above...: )
M.E.C.P & First-Class
Go slow and drink lots of water...Procrastinators' Unite...Tomorrow!
kmn5 
Copper - Posts: 66
Copper spacespace
Joined: April 21, 2003
Location: United States
Posted: August 26, 2009 at 11:11 PM / IP Logged  
Just an update
I put in one of these distribution block/fuse holders
wire to fuel pump wire, fuse gets very hot -- posted image.
uses mini anl fuses
(I bought this years ago, but forgot all about it and finally put it to use)
also wired in my amp and carputer
which cleaned up a bit of the wiring
Ran the car for 30 mins, and wire is ambient temp :)
Thanks guys!
tommy... 
Gold - Posts: 1,901
Gold spacespace
Joined: December 10, 2004
Location: United States
Posted: August 26, 2009 at 11:22 PM / IP Logged  

I cant help it...Every time i see a problem solved...All i see is the captain...Should end every complete post w/ it...! Glad everything worked well...And glad you got to use the dist block/fuseholder...Just make sure everything is tight,tight,tight...!

M.E.C.P & First-Class
Go slow and drink lots of water...Procrastinators' Unite...Tomorrow!
i am an idiot 
Platinum - Posts: 13,666
Platinum spaceThis member consistently provides reliable informationspace
Joined: September 21, 2006
Location: Louisiana, United States
Posted: August 27, 2009 at 12:47 AM / IP Logged  

wire to fuel pump wire, fuse gets very hot -- posted image.

And it looks as though it recieved The12Volt.com's seal of approval between my computer and the server. 

Let's Go Brandon Brown. Congratulations on your first Xfinity Series Win. LGBFJB
angelmeza310 
Member - Posts: 8
Member spacespace
Joined: February 10, 2010
Location: California, United States
Posted: February 10, 2010 at 9:27 PM / IP Logged  
Kim---- can you do this same operation for a 94 cadillac fleetwood???
Fire310
tommy... 
Gold - Posts: 1,901
Gold spacespace
Joined: December 10, 2004
Location: United States
Posted: February 10, 2010 at 9:50 PM / IP Logged  

edit...

M.E.C.P & First-Class
Go slow and drink lots of water...Procrastinators' Unite...Tomorrow!
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