Electrical Gremlin Help Needed!
01-18-2004, 11:27 PM
#11
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Join Date: Jun 2002
Location: WA
Posts: 1,312
the fuel pump jumpper in the engine bay is what i tried. It starts the fuel pump right up. And looking at the wiring diagram its apparent it completes the ground that should already be completed. So i went out with some nice electrical testing equipment and tracked to down to being a ground for sure. Only thing is, the injectors still dont turn on. Which is really weird. That leads me to believe thats SOMETHING is not plugged in correctly and grounded.
Everything was working fine when i took the engine out. No electrical problems at all. I dont see why something would just up and go bad like that after a month of non usage. I mean, it could happen but unlikely.
Only thing is everyone i know with 7's around here have s4 and im not sure if the wiring harness is the same. I know they have some differences, but not sure what. And i cant find any diagram that shows in atleast semi-detail the wiring harness.
this problem is getting to me! ITS EATING MY BRAIN!!
Everything was working fine when i took the engine out. No electrical problems at all. I dont see why something would just up and go bad like that after a month of non usage. I mean, it could happen but unlikely.
Only thing is everyone i know with 7's around here have s4 and im not sure if the wiring harness is the same. I know they have some differences, but not sure what. And i cant find any diagram that shows in atleast semi-detail the wiring harness.
this problem is getting to me! ITS EATING MY BRAIN!!
01-18-2004, 11:54 PM
#12
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Join Date: May 2003
Location: Dover DE
Posts: 989
I had a problem similar to this in my S4, but the car would start and run like ***, I went through the thoughts of a blown motor, 0-60 times were timed in minutes, turned out to be the injector resistor (yours is located by the right front headlight in the silver panel by the fuel pump relay) in mine the resistor was bad and was only firing one primary injector for the front rotor. Test the unit, it may have gone bad
01-19-2004, 10:52 AM
#14
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Join Date: May 2002
Location: California
Posts: 22,465
Originally Posted by sidewinderx7' date='Jan 18 2004, 09:27 PM
Everything was working fine when i took the engine out. No electrical problems at all. I dont see why something would just up and go bad like that after a month of non usage. I mean, it could happen but unlikely.
Only thing is everyone i know with 7's around here have s4 and im not sure if the wiring harness is the same. I know they have some differences, but not sure what. And i cant find any diagram that shows in atleast semi-detail the wiring harness.
this problem is getting to me! ITS EATING MY BRAIN!!
Only thing is everyone i know with 7's around here have s4 and im not sure if the wiring harness is the same. I know they have some differences, but not sure what. And i cant find any diagram that shows in atleast semi-detail the wiring harness.
this problem is getting to me! ITS EATING MY BRAIN!!
s5 is different but that circuit is prolly not
01-19-2004, 05:23 PM
#15
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Join Date: Jun 2002
Location: WA
Posts: 1,312
today im gonna redo all the harness. Take it all off and put it back on. Maybe i missed something that im just not seeing when its hooked up. What kind of problems do you see teh FD's having when you mess with the harness?
01-19-2004, 06:15 PM
#18
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Join Date: May 2002
Location: California
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Originally Posted by sidewinderx7' date='Jan 19 2004, 03:23 PM
today im gonna redo all the harness. Take it all off and put it back on. Maybe i missed something that im just not seeing when its hooked up. What kind of problems do you see teh FD's having when you mess with the harness?
01-19-2004, 06:19 PM
#19
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Join Date: Dec 2002
Location: Wayne, NJ
Posts: 4,837
Originally Posted by j9fd3s' date='Jan 19 2004, 07:15 PM
usually the cas wires go bad, but they are routed totally different on the fc. its the bending the harness that does it
kevin.