Fuel line connections on buchered 85

[k10cult]

Hello all, I have scoured here, and it seems my truck is a little different. The fuel lines come up the passenger side and cross over under the rad and come out right under the rad drain, basically. We are trying to put the truck back stock and hook up both tanks and all that. Any pics would be much appreciated. I am gonna have to replace the wiring harness in this thing to get it manageable, where I know everything isn't bypassed. Any recommendations on wiring diagrams, too?

 

[Ricko1966]

Hello all, I have scoured here, and it seems my truck is a little different. The fuel lines come up the passenger side and cross over under the rad and come out right under the rad drain, basically. We are trying to put the truck back stock and hook up both tanks and all that. Any pics would be much appreciated. I am gonna have to replace the wiring harness in this thing to get it manageable, where I know everything isn't bypassed. Any recommendations on wiring diagrams, too?

You are looking at the vent lines from the tanks to the charcoal cannister. Your fuel lines are on the passenger side frame rail just a ahead of the passenger side motor mount. Should be 2, 1x3/8ths 1x1/4" maybe 5/16ths 3/8ths is the feed the smaller is the return. Your pump should have 3 ports.
We have wiring dighrams on here. Go to the 3 horizontal lines upper left on the screen,tap them. New screen opens,tap forumns,new screen opens scroll to reference library open it there you'll find wiring diaghrams.

 

[xm20k]

I'm not up on the 80s trucks but if carb and mechanical pump everything should be on the passenger side with just cross over lines behind the cab if it has dual tanks.

https://www.lmctruck.com/fuel-system/fuel-lines/cc-1973-87-pre-bent-fuel-lines-and-vacuum-advance-line

 

[DoubleDingo]

Take some photos and post them up so we can see what you're seeing.

 

[Ricko1966]

Take some photos and post them up so we can see what you're seeing.

I'd bet you he's looking at the rear brakeline and the tank vent to the charcoal canister. Want to bet? It's his first post also want to bet on if he ever comes back? You know they have an 800 number for compulsive gamblers? I'll bet you that doesn't work.

 

[DoubleDingo]

I'd bet you he's looking at the rear brakeline and the tank vent to the charcoal canister. Want to bet? It's his first post also want to bet on if he ever comes back? You know they have an 800 number for compulsive gamblers? I'll bet you that doesn't work.

I sometimes wonder if some of these first time posters are actually AI, because some of the questions are crazy. Sometimes the OP replies back, oftentimes it's just one and done like you said. There is usually more chatter from the members than from the OP.

 

[k10cult]

I sometimes wonder if some of these first time posters are actually AI, because some of the questions are crazy. Sometimes the OP replies back, oftentimes it's just one and done like you said. There is usually more chatter from the members than from the OP.

Definitely no AI, just not afraid to ask "Stupid questions" in order to ask for help. I will post pictures probably today to show you guys.

 

[k10cult]

Take some photos and post them up so we can see what you're seeing.

I will try to get some pictures today.

 

[DoubleDingo]

Definitely no AI, just not afraid to ask "Stupid questions" in order to ask for help. I will post pictures probably today to show you guys.

Good deal. If you hang around, you'll see what I'm talking about with the 1 post and done.

 

[k10cult]

Good deal. If you hang around, you'll see what I'm talking about with the 1 post and done.

10-4, This thing is held together wiring wise with house hold wire nuts, so im sure i will be back

 

[Jrgunn5150]

I sometimes wonder if some of these first time posters are actually AI, because some of the questions are crazy. Sometimes the OP replies back, oftentimes it's just one and done like you said. There is usually more chatter from the members than from the OP.

Off topic, but some definitely are. I asked my IT nerd about it, he said it's how they train models to behave and interact. People have tricked them into buying gift cards and stuff lol.

 

[94_6SpeedZ]

I also think it is probably the vent line that ran over to a charcoal canister on the drivers side. However, you said lines, plural. It should have only been one line that runs across the radiator support.

 

[Ricko1966]

I also think it is probably the vent line that ran over to a charcoal canister on the drivers side. However, you said lines, plural. It should have only been one line that runs across the radiator support.

I think he's looking at the line to the charcoal cannister and the rear brake line coming from the combination valve. He needs to look just in front of the passenger side motor mount,I'd bet his lines are there.

 

[Grit dog]

A picture is worth 1000 words. Anyone you see around with a nice dual tank squarebody you could talk to and take a look at hopefully a complete fuel line system?
Google is cool too. Can find diagrams like you’re needing if not here on this forum.
That said it’s pretty simple. From tank valve to carb = 3 lines. Big one for fuel feed. Other 2 are return from the pump and vent to the can on the drivers side.
Same setup from each tank to the switching valve.
That’s really about it without getting into routing details etc.
Good luck with the truck man!

 

[k10cult]

A picture is worth 1000 words. Anyone you see around with a nice dual tank squarebody you could talk to and take a look at hopefully a complete fuel line system?
Google is cool too. Can find diagrams like you’re needing if not here on this forum.
That said it’s pretty simple. From tank valve to carb = 3 lines. Big one for fuel feed. Other 2 are return from the pump and vent to the can on the drivers side.
Same setup from each tank to the switching valve.
That’s really about it without getting into routing details etc.
Good luck with the truck man!

The can is deleted. Was like that before I got the truck.... these are two 3/8ish lines that come over and are just hangin out there