i see no switch for fuel tanks

 

found fuel tank switch,it was were number dummy said,writting has weared off,will check fuel lines,door tag says 10-84 paperwork says 85,axle code 72,trans p,gvw 8600 its 2wd standard cab,

 

Unless it's been removed, it's located in the heater control panel.

See 9A050 in pic.

Oh, and the caption is laughable! There's no power window switch located here and the switch is 9A050, not 18578

18578 is the heater blower switch and it's located in the slot on the left side of the panel.

 

i have some fuel at the shrader valve,but now truck wont start at all,fuel switch works ,could i be picking up air somewere ???,and does anybody no what rear end and ratio is in it,door tag 10-84 itsa 85,axle code 72 gvwr 8600 standard cab 2wd

 

72 = Dana 70U Rear Axle / 4.10-1 / 6,300 lbs. Rear Axle Capacity.

New vehicles historically introduced in September of the previous year, so production begins in August.

Since your truck was assembled October 1984, it's a 1985.

 

OT, but wouldn't the rear window switch for a Bronco be there?

To the OP - when you switch tanks, does the fuel gauge reading change?

 

The OP doesn't have a Bronco and the caption for the two switches is wrong.

9A050 is the fuel tank selector switch, 18578 is the heater blower switch.

Bronco back window power window switch is 14529, do you see it there? No, and I don't either.

And...see 19986 above and to the left of the control panel. This is the A/C/Heater blower switch, does not belong in this pic, because it's for the heater only.

 

thanks bill,and yes when i switch tanks the reading does change,i think i am missing a part,under the hood drivers side corner of firewall and inner fender my fuel line is there coupled together,i see few wire plugs there,am i missing something???

 

You're missing the factory water separator. This will be bypassed on most 6.9 trucks as it tends to leak air into the system. It would be prudent to add a water separating filter in that location or down on the frame rail, but not absolutely necessary.

 

cadunkle thanks,i was think of running a line from there to a fuel jug,just to try and start it,if it runs good then i no the problem is from there back to the tanks,

 

So, out of curiosity, where is the rear window switch on an '80-'86 Bronco?

Well that diagram is for a heat-only (no A/C) vehicle, correct (isn't that what "heater [standard]" means)?

Back to the OP - yes, running that line (make sure it's the one going forward to the lift pump) to a jerry-can would be a good test, to rule out/in the tank selector tank pickups, etc. That reminds me, how much fuel is in each tank?

 

empty rear tank,1/2 tank front,

 

i am only the second owner,original owner purchase it for hauling his goose neck,and then he retired and had a camper on it,it has been sitting since 2010,

 

That's what I said, pic is for heater only.

 

o.k fund a cracked fuel line,fixed it,now i have no power to injector pump and glow plugs,rrrrrrrr,i do havw power to one side of the relay,my key switch is turning funny now was wondering if that can be the problem.is there a way i can run a hot wire to check injector pump ???