84 Mustang help!!! - Car Troubleshooting


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84 Mustang help!!!

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mustang84
Novice

Oct 24, 2009, 1:36 PM

Post #1 of 5 (3188 views)

84 Mustang help!!!	Sign In

I have a 84 Ford Mustang V6 with 35,000 miles on it. For some reason the fuel pumps wont get any power to them. There are two fuel pumps in it. One under the frame and one in the gas tank. I have hooked both fuel pumps to the battary directly and they both worked. Then my friend got under the car and put his hand on the fuel pump under the frame while i turned the key and also turned it over. He said they wernt making a buzzing sound and they should. So i checked the shut off switch in the trunk and made sure it was pushed in and then we tried it again, Still nothing!! So then i checked the fuses and i couldnt find a fuse for the fuel pumps. I did find the relay under the drivers seat and i replaced it. We tried it again and still nothing!!!! I dont know what the problem is. Is it a ground wire or something? and if it is where is the ground wire located? Please help me!!!!!!!

way2old
Veteran / Moderator
way2old profile image

Oct 25, 2009, 2:03 PM

Post #2 of 5 (3178 views)

Re: 84 Mustang help!!!	Sign In

Here is a wiring diagram. See where you lose current. We can not put the test equitment on it, so you need to do the work. Hope this helps you.

Being way2old is why I need help from younger minds

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Oct 25, 2009, 2:13 PM

Post #3 of 5 (3175 views)

Re: 84 Mustang help!!!	Sign In

I don't see a diagram Tom

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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

way2old
Veteran / Moderator
way2old profile image

Oct 25, 2009, 2:16 PM

Post #4 of 5 (3171 views)

Re: 84 Mustang help!!!	Sign In

OK. Try this one.

Being way2old is why I need help from younger minds

mustang84
Novice

Oct 27, 2009, 11:18 AM

Post #5 of 5 (3158 views)

Re: 84 Mustang help!!!	Sign In

Ok. Now i put a test light on the relay. and the yellow wire will light it up. The pink and black wire wont do any thing. and when i put the test light on the other two wires it makes a buzzing sound coming from somewhere behind the passengers side dash. I dont know what that buzzing sound is. At first i thought it was the computer but its not.

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