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ever had this happen?

Old Sep 27, 2014 | 06:27 PM
  #1  
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A little backstory..

Last weekend my blazer wouldn't start. Tried starting fluid, hit a few times. So I got out my pressure gauge, and straight off the pump was zero. Didn't twitch the needle, and the test plug under the hood didn't even spit when I hooked it to my jumper to the battery.

So I drive to my dads to borrow his floor jack, wait for it to stop raining, and head out to drop the tank. Hit the key one last time, showed ~65 psi. Well, if it ain't broke, don't fix it. Put it back together, drove just fine.

Fast forward to this past wednesday. Leaving work headed to school, it dies five times. Each time it would restart after a couple minutes. Leaving class that night, it runs fine.

So today I drop the tank, and I find the connector for the positive wire to the pump all burned and melted! I fixed it with some little female connectors I bought, and did away with the melted piece all together. It runs, we'll see how long it lasts.

The sending unit is less than three years old, also. But it's the cheapest one rock auto has, maybe a Delco/Delphi would have held up better?
 
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Old Sep 27, 2014 | 08:10 PM
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I would guess you had a poor connection there , creating resistance and heat
 
Old Sep 27, 2014 | 08:47 PM
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Originally Posted by rexazz2
I would guess you had a poor connection there , creating resistance and heat
Yeah, that was what I was going with.
 
Old Sep 28, 2014 | 04:30 PM
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dielectric grease for the win

I play with bikes as well
Some might call me a little **** about electrical connections but I never have to go back to them later
 
Old Sep 28, 2014 | 05:25 PM
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Originally Posted by rexazz2
dielectric grease for the win

I play with bikes as well
Some might call me a little **** about electrical connections but I never have to go back to them later
Not DIelectric grease, Rex, thats for spark plug boots. Went round and round with the chick at the parts place (boy was she cute but as always not too brite). Use a small amount of silver contact enhancer Craig sells it.
 

Last edited by LeWhite; Sep 28, 2014 at 05:30 PM.
Old Sep 29, 2014 | 03:25 PM
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Wrap the connections to keep them clean.
 
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