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Old 11-10-2012, 06:25 PM   #1
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Location: Crestview, FL
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Bronco Info: 1990, original 302, mainly stock at this point
Fuel Pump Wiring - Sender Pigtail wrecked

Long story short my bronco ended up sitting for about a year and a half...

Started going through the usual steps to bring a sitting vehicle back to life only to discover my fuel pump was toast.

Ordered a new pump and tank (original was covered in a thick layer of junk on the inside). After removing the sender/pump I discovered the four wire pigtail to be toast as well due to corrosion. The red and black wires are for the pump and the yellow goes to the sending unit. My question is what does the Orange wire do? Is it a ground?

I tried to locate a wiring diagram that showed a breakout for the pump harness/pigtail but was unable.

Thanks if advance.
1990 Bronco, 5.0, mostly stock but that will change soon
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Old 11-11-2012, 12:06 AM   #2
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Bronco Info: '83 VIN & title on '93 frame/body w/'95 4.9L & EB paint
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