XJ XJ8 / XJR ( X308 ) 1997 - 2003

Replacement fuel pump with pig tail connector

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Old Aug 31, 2015 | 01:53 PM
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Default Replacement fuel pump with pig tail connector

Can anyone explain why a non gasketed connection at the fuel pump and spliced connections on the power feed inside a sealed tank full of Premium Fuel don't turn the entire fuel tank assembly into a back seat bomb? I followed direction I found on here and with the fuel pump I ordered. Realized my soldered, shrink wrapped splices posed no more of a risk than the open blade connector on the top of the fuel pump itself and moved forward. Pump seems to work fine. I did however, have to take my Yukon into the shop today for the same job, and talking to a buddy there found that they were ordering an entire 750.00 evap unit for a 98 VDP because they were totally freaked out by the idea of the splices inside the tank. I've moved on from the fuel pump issue and am dealing with the idea of tackling the Octopus hose or just having mine towed to the salvage yard right now. Insight on the safety of the splicing procedure and whether or not I'm going to have to pull the tank again and start over on that job might just sway my decision.
 
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Old Aug 31, 2015 | 04:36 PM
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My bad, could this please be moved to 308 forum
 
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Old Aug 31, 2015 | 06:57 PM
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You need fuel air and an ignition source to create an explosion. Since the tank is full of gasoline and fuel vapors, the absence of air in a sealed fuel tank allows electrical equipment to safely work inside a gas tank without the risk of explosion. The electrical equipment would also need to create the ignition source via some sort of short to create a spark.
Basically, no air, no kaboom
 

Last edited by Scarecrow; Aug 31, 2015 at 07:03 PM.
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Old Sep 1, 2015 | 08:07 AM
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Originally Posted by Scarecrow
You need fuel air and an ignition source to create an explosion. Since the tank is full of gasoline and fuel vapors, the absence of air in a sealed fuel tank allows electrical equipment to safely work inside a gas tank without the risk of explosion. The electrical equipment would also need to create the ignition source via some sort of short to create a spark.
Basically, no air, no kaboom
Thanks, that's dead on with what I was thinking. The sending unit is nothing more than a completely open rheostat and the whole harness inside the tank is wide open. I even took a fuel pump kit down for him to look at and showed him the open connections at the harness connectors.
 
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