Frankenpump

[DTrain]

Felt like the right place to post this question. If not, any guidance would be nice. Where to post or the help I’m seeking…

I’ve just shortened the wheelbase on one of my trucks. ‘98 Chevrolet k2500 with a 5.7. I moved the stock fuel tank in order to push the rear axle/suspension forward a couple feet.

I’ve hung a k5 Blazer fuel tank inboard in place of the factory unit. With this, the fuel pump only has 3 wires…a grey, purple and a black ground. The factory harness on the truck has a grey, purple, little black and a *********. I wired all the matching colors with no success.

What’s the trick to getting this combo to work?

Thanks,
Dylan

 

[DTrain]

Little black and a *********. Not sure why it did a***********

 

[DTrain]

“*********” wire

 

[DTrain]

Little black and big. It keeps monitoring what I’m saying wrong

 

[thegawd]

because there was a 800 censored word database installed when the site was updated. Its annoying as hell. there have been a bunch of words fixed but I believe we could do away with 795 of those words and get along just fine.

spell it like this...

bìtch or like this b-i-t-c-h like F we cant even ***** about anything while using technical terms.

 

[618 Syndicate]

What year K5?

 

[Supercharged111]

You should be good with merging the 2 grounds.

 

[DTrain]

The tank and sending unit are new, ‘87 though. I tried tying all the black wires together, then separately. No luck

 

[DTrain]

Maybe not enough muscle for the Vortec?

 

[618 Syndicate]

Maybe not enough muscle for the Vortec?

Kinda what I was thinking. @PlayingWithTBI may have some input.