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ZUKIWORLD Discussion Forum => Technical Discussion - Beginner / Repair => Topic started by: war_paint on July 18, 2011, 07:32:53 PM

Title: ELECRIC FUEL PUMP Q'S
Post by: war_paint on July 18, 2011, 07:32:53 PM

I NEED TO KNOW WHERE TO FIND KEY ON POWER

ALSO WHAT PSI DO I SET MY FUEL PRESSURE REGULATOR AT FOR A CV CARB

Title: Re: ELECRIC FUEL PUMP Q'S
Post by: wildgoody on July 18, 2011, 09:12:07 PM

Key on power would be you use a test light at the fuse block, tho I have
power on with key at the lighter socket, not sure on your truck,
the pressure should be 3-5 PSI for most carbs, what is a CV carb?

Wild

Title: Re: ELECRIC FUEL PUMP Q'S
Post by: fordem on July 19, 2011, 05:45:24 AM

The lighter socket would normally be ACC ON rather than KEY ON - depending on why you need it, it could make a difference - seeing as the subject line was electric fuel pump q's, I assume he wants to power a fuel pump, ACC ON would not be advisable - the easiest place to find KEY ON is - ta-da - the ignition switch itself.

There are other places, but since you haven't identified the vehicle - that limits the scope of our answers.

A CV carb is a constant vacuum - also known as constant depression - for US & Canada, think Harley Davidson (the MYSIDE conversions), or if you're UK or similar, an SU or a Stromberg CD.

Title: Re: ELECRIC FUEL PUMP Q'S
Post by: wildgoody on July 19, 2011, 08:45:17 AM

Ohh, those carbs, didn't know they called them that thanks :)

And now I think about it the lighter socket powers down while cranking
so ya, not a good spot for a fuel pump

Wild

Title: Re: ELECRIC FUEL PUMP Q'S
Post by: war_paint on July 28, 2011, 09:15:28 AM

ok well thank you for your help i will be putting it together this weekend
so ill tell you how it goes