Hey guys/girls, so, i have this problem where i used to put the Key position ON, i ear the clicks at the main relay x2, and the fuel Pump priming for 2/3 seconds ( not everytime). Manage to start car with some dificulty but it ran.
now, the battery broke completly, change for a new One and now.... Cant ear the fuel pump.
Ive measure the voltage at the sending unit (i think) under the rear seat, i get 12v on green/white, but on Yellow/white, doesnt get any when it should have for priming.
What should i do to get the fuel pump to prime???. Have a new pump by the way.

Also have the fuel indicator stucked at fuel, even knowing its almost empty.

Thanks in advance

 

I would do the checks of the main relay described in the attachments. The main relay is located under the panel near the driver's left knee, not far from the hood release. I would also take the case off the old relay and examine the solder joints. Photos of bad Honda Main Relay solder joints appear at:

https://techauto.tripod.com/mainrelay.htm

​​​​​​MarkLamond.co.uk - PGM-Fi - Main Relay

youtu.be/X5Qp-ToR8KA , starting at about 5:29

Still another approach is to grab a few main relays from a salvage yard and try them.

The main relay Honda OEM p/n is 39400-S10-003. Alternatively get the Mitsuba RZ-0132. Many Honda years and models use this same main relay.

 

Beautiful, thanks.
ill give it a try and let you know soon.

Up up.

 

So, got it fixed, i knew the fuel Pump was good, so i checked for power on the connector under back seats, and came 1 time, and the other 10x no power.
runed a test to the main relay, using the directions that where given to my here (THANKS A LOT).
found that there was no continuaty in 1 of the relay tests. Took it out, Open relay, check solders, some almost unexisting, some dry. Grab my tools and using other guide given here i manage to make new soldering on all the terminals.
now works every time.

Thanks for the assist, and Also previous threads, as the sharing of knowladge in here.

UP UP
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