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Old 01-03-2016, 03:25 PM   #1
ATB
 
Drives: Yaris
Join Date: Jan 2016
Location: Norway
Posts: 10
Fuel pump wiring help

Hello! This is my first post on here and I was seeking some help on my 1999 Yaris. I have been having some misfiring issues and in my seek for the problem I thought I'd check on the fuel pump with filter, but when prying of the metal lid I damaged 1 wire and ripped out 2 more from the connector that attaches on top of the fuel pump. I can't find a picture of what color goes where on the internet and I hoped anyone one here had a clue. A picture would really help me out.
___
Kris
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Old 01-04-2016, 07:19 AM   #2
ATB
 
Drives: Yaris
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Illustration photo off the connector I messed up:
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Old 03-05-2018, 05:31 PM   #3
Marchalis
 
Drives: Yaris yrs 2006
Join Date: Mar 2018
Location: Australia
Posts: 7
I know this is an old post but, for anyone else.
I'm pretty sure the Black/red is the pumps negative (on mine its pure black), and the white is the positive (Mine is white with a black streak). The pumps wires are also typically a little thicker.

The other 2 are the fuel level for the float inside,
I'm not sure which is which for those 2 but you can always connect those and try the level while not in the tank and find out negative/positive that way for the float.
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Old 03-06-2018, 02:06 AM   #4
Marchalis
 
Drives: Yaris yrs 2006
Join Date: Mar 2018
Location: Australia
Posts: 7
Actually I think I was wrong, For mine the white/black wire connected to the car body, so that makes it negative/ground. and the black was positive then. lol woops.
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