Fuel pressure sending units
04-06-2007, 07:01 PM
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Fuel pressure sending units
I bought the Cummins School bus Lift pump replacement kit and it has 2 fuel pressure sending units #3408705 1152 2 and 1238 2. are these for lights only or will they show pressure on a pressure gauge?
04-06-2007, 10:33 PM
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I got the same and decided they were retro fits for systems that exist in the school buses, amubluances etc. You might find some use for them but I sure didn't need it in my 2001 Dodge. Maybe someone else has a use for the wires. Did you get instructions in the box? They sort of described what the extra parts are for.
04-06-2007, 10:34 PM
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I got the same and decided they were retro fits for systems that exist in the school buses, amubulances etc. You might find some use for them but I sure didn't need it in my 2001 Dodge. Maybe someone else has a use for the wires. Did you get instructions in the box? They sort of described what the extra parts are for.
04-07-2007, 07:07 AM
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Are they pressure switches or actual sending units? If they're switches I could possibly make use of one. I'm working on a low-cost flashing LED system to warn me about loss of fuel pressure until I get some gauges in my truck--reason being is the other day I almost started it up with a dead FASS due to defective fuse...replaced the fuse and all is well but I'm extremely paranoid--injection pump is only 1 1/2 months old!
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