Question on the fuel pump relay.

Huw Powell human747 at
Tue Dec 3 00:41:52 EST 2002

> This is a continuation of a long, long thread but let me just ask a direct
> question... I had my fuel pump relay break on me today and I do not think
> its working anymore. I have jumpered the 2 big terminals and put that jumper
> wire on a switch so that I can turn the fuel pump on and off with a switch
> as needed. This is only a temporary fix till I get some other bugs worked
> out.
> Question: Does the relay send variable voltage to the pump? Meaning, does it
> sometimes open it up full bore (12V) and sometimes run it at a slower speed
> (less than 12V) depending on engine demands?

The fpr is either on or off, the excess fuel delivered is returned via
the other hard line back from the mtering head to the fuel tank.

Huw Powell

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