Foxbody Fuel Pump Wiring Issues SOLVED! - TIPS05E16
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- เผยแพร่เมื่อ 21 ส.ค. 2024
- As I am getting Project "Come And Take It" closer to completion, of course the most rewarding part of the project is hearing the motor fire up for the first time. In this case some unknown and unfamiliar wiring has me chasing down some gremlins in order to get the car to fire up! See how I fixed the no-fuel pump power issue by going through all of the possible wiring points.
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Always great to hear 5.0l fire off , nothing like that sound, she sounds great. Looking so sweet under the hood, can't wait to see the first burnout Chris.
Homie, I'm learning that bad wiring is like crack to you. Another nice clean up! Great series!
Ya I'm a nerd for wiring.
Sweet!! That’s awesome man! Been following along and I’m so glad to see it move under its own power! Super cool! Thanks for the video while I’m at work.lol
You're welcome!
My first Mustang was a 88 2.3L coupe white with the blue interior just like this one. This is the car 20 year old me wished I had.
What a freakin mess...Great job sorting it out 🙂👍
Thanks for info on wire's going to trans! Sounds really good! Thanks
Thanks for this video! I’ve been trying to figure out how to wire my external fuel pump (carb’d) to the key switch! 👍🏽
No problem!
Ha glad this showed up on my feed 😝
Sounds good! Great work! Maybe I missed it, but it doesn't idle like it has a stock Cam in it. Do you know what Cam it has in it?
Just wondering if when you were going thro this were you “Holding” fuel pressure or put key on before you got to the connector fix? You heard the relay clicking but did you get fuel pressure at all on the gauge?
Can anyone help me? I have a 1990 4 cylinder and bought a rotted out 1990 donor V8 car. I put literally everything in the 4 cylinder, ecu, harness.. everything. Both ran great before the swap. Now when I turn the key, the fuel pump doesn’t turn on and it doesn’t crank. Any idea where I should look. I spent a full day trying to find anything disconnected.
Edit: I’ll check that connection by the kick panel. But will that cause it to not crank as well?
Does the coil get power with the key on? If so you probably have a neutral safety issue at the transmission harness coming out of the trans tunnel. Fuel pump could be the inertia switch or relay. Did you swap complete body harnesses or only the engine harnesses?
@@TheInfamousProject the coil does get power. I immediately checked the inertia switch and made sure all connections were connected including the transmission. I just did the the engine harness, I still have every wire from the donor car though. Should I change the front harness that goes to the alternator, headlights and coil? Also I see that there’s a fuel pump relay under the driver seat and the V8 car had one under the hood on the passenger side
Your V8 car did not have a 1990 harness if the fuel pump relay was under the hood. In this case you need to swap the whole body harness including the dash etc from the donor.
@@TheInfamousProject hmm the vin matches the title and it says 1990 🤷🏻♂️ I might be wrong about that being the fuel pump relay. There was one relay under the MAF. I see the 92-93 have 2 relays there. Let me see if I can find out what that is if it’s not for the fuel pump. Ha I just looked it up and that’s the A/C relay. The donor car is definitely a completely unmodified stock 1990.
@@DjDestinyChicago ok then turn the key forward spray brake clean in the throttle body and jump the solenoid and see if it runs. If so then sounds like you just need to figure out your fuel issue. If not then there is more to the equation...
FYI, on an 85 SVO I found the FP relay under the passenger seat, might help someone out.
I have a 1990 gt and having issues with getting it to start the fuel pump isn’t making any noise and I switched the relay to a new one. Thoughts?
Great job figuring it out!! I noticed the air bag chime going off.. Do you know where it's located and how to disconnect the chime?? Mine does it from time to time and it drives me crazy! Thanks for the videos!!
It's behind the climate controls. You can can your hand up there from under the dash on the driver's side and unplug the one side of the module and it will kill the chime
@@TheInfamousProject Cool!! Thanks man
I can't figure out what's going on with my 92 2.3l. I've changed the fuel pump the relay control module and the fuel pump harness and nothing the fuel pump still won't turn on when I turn the key
So then the issue was in that green connector not making good contact?
5.0 and a 5 speed in a Foxbody, everything is right.
Hey I have a 1986 5.0 mustang it was missing a harness and found one from a 1989 and was wondering if I could make it work?
Harness to the computer? You could make it work..
I have an 89 gt, running the car puffs white smoke and goes through a lot of oil. Pulled the motor out and head gaskets are fine.
Wondering if you got any tips
Is there any coolant in your oil or oil in your coolant? Compression test and see what your numbers are like
@@TheInfamousProject appreciate the quick response.
My upper intake gasket was broken near the fuel rails, so maybe that’s the cause of my white smoke?
Then for my oil I think it’s the rear main seal.
But no coolant in my oil or vice versa!
Thanks again!
I just did a 4cyl to v8 swap and I am running into a no start issue. My car cranks and acts like it wants to start. I swapped everything from a wrecked car that ran before I tore it apart. The only difference is the wrecked car has the black and grey harness connectors coming through the firewall on the driver side behind the strut tower, and the new car has the orange colored connector like your car. So I ordered a used harness that has the same orange connector as my new cars dash harness, but It’s still not starting. The pump primes, and it’s getting spark so idk what to do next. Any advice?
Does it start with brake clean? Have you confirmed fuel at the rail? Injector pulse? Timing is set correctly?
What happened to it
Got enough Mustangs in there?
Where is tht switch located?
For the solenoid which goes to which side ?
Really doesn't matter
@@TheInfamousProject I have a 93 and I know the wiring is a bit different from the starter to solenoid but it keeps sparking what do you think it may be?
@@MYSTICMEDIA007 sounds like you have a short if things are sparking!
@@TheInfamousProject wow! Thank you
@@MYSTICMEDIA007 lol hard to help when I have no details other than there is a "spark" which wires are you trying to hook up when it happens? What all did you replace recently? New build? Driver that started doing it? Have you checked your grounds? How about the wiring going to the starter? Did you try another solenoid? I need some proper context so I can help you.
Eww Saggy Map Pockets!!
Lol!
This car doesn't sound like a foxbody,it sounds like it has a regular 302,and not a h.o. 302 or is it just me.
j82y0g
VYN.FYI
I have a 1990 gt and having issues with getting it to start the fuel pump isn’t making any noise and I switched the relay to a new one. Thoughts?