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Ballist Resistor?
- Thread starter JNG 92XJ
- Start date
xjbubba
NAXJA Member # 1524
- Location
- santa barbara, ca
I beleive the ballast resistor was a "fix" to reduce fuel pump noise. Don't think you'll hurt the pump if you remove the resistor. I'm running a chevy engine with multiport injection and am using the stock 4.0L pump without the ballast reistor. No problems noted, other than the pump is more noticeable now.
dizzymac
NAXJA Forum User
- Location
- New Hampshire
Don't think a fuel pump would "vibrate" the frame(uni-body), but my '90 has a ballast resistor on the drivers fender by the air box.
Matthew Currie
NAXJA Member #760
- Location
- Vermont, land of big clay
dizzymac said:
A bad fuel pump can vibrate and buzz and make a real racket as it wears out. This is more likely than a ballast resistor problem, which I would expect to cause random cutting out but no exta noise. When my stepson's 93 developed a bad pump, it went over time from a mild buzzing to a grinding howl that you could just about feel in your teeth. Interestingly, it worked fine until we took it out.
