motorr50 Posted February 3, 2009 Posted February 3, 2009 I'm need a new fuel pump ballast resistor mine is cracked down the center. The closes one I can find is on Jegs and it 1.0 ohms vs mj oem 1.1 ohms.Would a .1 ohm drop still be functional? Thanks, Mike
Jeepman Posted February 3, 2009 Posted February 3, 2009 Go to mopar they are maybe $8.00 for a New One... Mopar Part #3300-0682
rworks Posted February 3, 2009 Posted February 3, 2009 How important is the ballast resistor? My 87 doesn't have one since the rebuild two years ago and runs fine.
BLHTAZ Posted February 3, 2009 Posted February 3, 2009 It will work without it, but it's purpose was to reduce voltage going to the pump after startup to reduce noice and extend the life of the pump.
rworks Posted February 4, 2009 Posted February 4, 2009 It will work without it, but it's purpose was to reduce voltage going to the pump after startup to reduce noice and extend the life of the pump. Then it probably is a moot point, since my fuel pump is from a Mustang.
HOrnbrod Posted February 4, 2009 Posted February 4, 2009 You're prolly right. Most Chryco, GM, Mercedes, and others had ballast resistors of varying values in the fuel pump circuit, but I don't think Fords used them AFAIK. :D
mjeff87 Posted February 4, 2009 Posted February 4, 2009 totally eliminated mine from the circuit on my 4.0 swap.....don't even notice that it's not there :cheers: Jeff
HOrnbrod Posted February 4, 2009 Posted February 4, 2009 Hopefully your fuel pump won't notice it either for a loooooong time Jeff-man. :D
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