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76 280z elect issues?

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Old Aug 5, 2012 | 09:36 AM
  #1  
cesar280z's Avatar
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Joined: Jun 2011
Posts: 23
From: FULLERTON, CA
76 280z elect issues?

Hello Again

at last after months of trying ,2 fuel pumps, and a lot of cuts on my hand, i got my beauty running.

HOWEVER...

the idle is really high(the little **** to adjust the idle is not responding at all), the gauges are not working, and the side marks and tail light are not working,

what did i do to make this chain reaction of failing electrical issues?

it really doesn't make any sense!!

BTW, this is all i did to make the car run again

clean fuel tank replace rubber fuel lines replace fuel filter put a filter between fuel tank and pump new fuel pump(255lph) new injector connectors replace the AMF replace the thermostat enclosure new thermotime new temp sender new temp sensor new NGK spark wires i have two ECU ,and when i use either one of them the car starts

as you guys can see i don't see where i messed up, please let me know your thoughts

thanks again to all for the help!
Old Aug 9, 2012 | 03:54 PM
  #2  
theramz's Avatar
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Joined: Mar 2003
Posts: 1,699
From: dayton, nevada usa
The BCCD valve is stuck open. It s located on the bottom of the TB. You can plug it or first try to put some duct tape over it to see if that is the problemo. Check for vacuum leaks in the intake hoses.
Make sure your fuel pressure is 35psi at idle. That pump will over power the pressure relief valve.
I'm pretty sure all that electical is all on the same circuit. Might be just the fuse or a pulled wire.
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