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Unread 07-04-2013, 11:53 AM   #1
fljeepney
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1998 ZJ 
 
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Fuel pump pin connectors

i replaced my fuel pump a year ago and the other day I was driving and it just died on me.I had trouble when I replaced the pump last year and sourced it to a female end from the wiring from the motor.We fixed that and havent had a problem until a few days ago.I just crawled under it today and seen that the wiring from the pump has 5 pins,and looked at the other connector and it has only four female ends.Could this be my problem?I really appreciate it.
Don't want to go out and buy another pump if it isn't needed.

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1998 ZJ 5.9 Limited
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Unread 07-04-2013, 01:18 PM   #2
fljeepney
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Wow.Glad I didn't sign up for a lifetime subscription
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Unread 07-04-2013, 01:34 PM   #3
coralman
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Dude its the fourth of july, all them negative waves wont make it happen quicker, if at all.
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Unread 07-04-2013, 01:41 PM   #4
dellis
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Quote:
Originally Posted by fljeepney View Post
I just crawled under it today and seen that the wiring from the pump has 5 pins,and looked at the other connector and it has only four female ends.Could this be my problem?I really appreciate it.
Don't want to go out and buy another pump if it isn't needed.
See 1993 Jeep pinout diagram below (ZJ is middle one) to see that five pins are specified, but your fuel pump may not be wired to use both grounds ... this is likely your situation.




Quote:
Originally Posted by fljeepney View Post
Wow.Glad I didn't sign up for a lifetime subscription
You should be pleased to know that since it took me 108 minutes to respond to your question, I will only receive 50% of my normal commission for helping you out.
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Unread 07-04-2013, 01:44 PM   #5
dellis
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Duplicate post.
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Unread 07-04-2013, 01:57 PM   #6
coralman
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This is for a 1998 so the layout may different on yours.
fuel-pump.jpg
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Unread 07-04-2013, 02:03 PM   #7
coralman
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You beat me to it dellis. The impatience of youth,lol.
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Unread 07-04-2013, 03:05 PM   #8
fljeepney
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Quote:
Originally Posted by dellis View Post
See 1993 Jeep pinout diagram below (ZJ is middle one) to see that five pins are specified, but your fuel pump may not be wired to use both grounds ... this is likely your situation.





You should be pleased to know that since it took me 108 minutes to respond to your question, I will only receive 50% of my normal commission for helping you out.
Thanks for the diagram Dellis.I'm thinking it's not getting power to the pump due to one that is missing from the female end.We'll see what happens.

@Coralman,thanks as well for your input
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