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Old Mar 21, 2019 | 02:25 AM
  #1  
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LittleLucy
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Fire!

Ok
what.....why???
it looks like a spade connector
it has something to do with the fuel filter/separator
the po epoxied the ports on the fuel filter/separator
the connectors were hanging except this one to something on the motor
three years later it randomly catches fire??
thank GOD it was night time (dark), the hood was open cause I was looking for a fuel leak and I was able to put it out asap!!!
However......NOW WHAT?
I don't even know where to begin
thanks for any input!!




These are the connections eliminated by po to fuel filter/separator
 
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Old Mar 21, 2019 | 05:52 AM
  #2  
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tjc transport
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the one with the large cap is the fuel heater wire. that is the one with power to it that shorted to ground.
it is not needed, just tape the end off good and don't worry about it.
the blob of epoxy is over the heater to stop the fuel leak that starts when the heater o-ring goes bad.
the one with the smaller plug is the water in fuel warning sensor. it also is not really needed if you get good fuel.
there is supposed to be a sensor in the bottom of the fuel filter, most people replace the stock filter with an aftermarket one piece and delete the sensor.
 
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Old Mar 29, 2019 | 04:55 PM
  #3  
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Thank you, but...... :)

Originally Posted by tjc transport
the one with the large cap is the fuel heater wire. that is the one with power to it that shorted to ground.
it is not needed, just tape the end off good and don't worry about it.
the blob of epoxy is over the heater to stop the fuel leak that starts when the heater o-ring goes bad.
the one with the smaller plug is the water in fuel warning sensor. it also is not really needed if you get good fuel.
there is supposed to be a sensor in the bottom of the fuel filter, most people replace the stock filter with an aftermarket one piece and delete the sensor.

What is in the head? That's actually the burnt wires (sorry....I wasn't very clear ) is it the coolant temperature sensor?
The glow plug wire popped off of the glow plug and I'm thinking that it may have been the cause? If it were touching the cts while I was cycling the glow plugs?
 
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Old Mar 29, 2019 | 06:14 PM
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tjc transport
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well, we will need to know what you are talking about with "in the head" there are a few different sensors in the engine.
also by looking at the fuel filter head, i assume this is a 7.3?
 
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Old Mar 29, 2019 | 11:34 PM
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Originally Posted by tjc transport
well, we will need to know what you are talking about with "in the head" there are a few different sensors in the engine.
also by looking at the fuel filter head, i assume this is a 7.3?

I think he's talking about this image:



On my '88 IDI, that is the coolant sensor switch, if I'm looking at that image correctly. From the location of the throttle linkage, that must be the passenger side of the engine, looking right behind the t-stat housing and top rad hose. But honestly, it's hard to tell.
 
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Old Mar 30, 2019 | 07:23 AM
  #6  
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tjc transport
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if it is in fact the sensor directly next to the t-stat and sorta under the alternator, that is the temp sensor for the fast idle and timing advance.
 
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