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Fuel pump relay location

Tiny
DFRESH222
  • MEMBER
  • 1986 NISSAN 300ZX
  • V8
  • 2WD
  • MANUAL
  • 199,000 MILES
Where is the fuel pump relay located in a 1986 Nissan 300zx Non turbo?

I have tested my fuel pump and the pump is working. However, there is no pwer getting the the pump. When I turn the ignition switch I'm not getting the buzz sound. I had recently changed out my ECU, ignition switch, Alternator and put new spark plugs and wires on the car. The only thing I can tthink of is the Fuel pump relay switch.
Any ideas?

Thank you for your help.

Doug
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Monday, March 28th, 2011 AT 5:08 PM

3 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
You're not supposed to have fuel pump power with the key on. It only powers when it receive a tach signal from cranking. Some cars get a 2 second prime when the key is first turned on but that may not be one of them. Here is a guide to help you test the relay once you find it from the diagram below.

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.
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Monday, March 28th, 2011 AT 5:38 PM
Tiny
DFRESH222
  • MEMBER
  • 2 POSTS
Thank you, It was the relay the car is running better than ever now.

Doug
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Monday, March 28th, 2011 AT 5:41 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Good to hear, please use 2CarPros anytime we are here to help.

Cheers
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Monday, March 28th, 2011 AT 5:43 PM

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