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- เผยแพร่เมื่อ 6 ก.ย. 2024
- In this video we address the low voltage on the fuel pump circuit and no spark issues on the Calypso Clone. FIXED!
NEOMUSTANGS / neomustangs
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One of the best purchases I have made for my car was a factory service manual and electrical schematics. Made life MUCH easier with getting mine back together.
Anyone who has actually done the work of combing out the wiring harness and looking through the wiring schematics to make a car run will truly appreciate this video because of all the troubleshooting involved....had to do it on my original ‘87 v6 t-bird I swapped a 5.0 out of a ‘90 mustang....not gonna lie this video would of saved me a day of work!
Great vid bud, everyone hates chasing wiring issues! I am hoping at some point someone makes this entire harness new, these cars are getting a little old. Keep after it!
Was thinking that then other day. Would think Painless would make a harness or someone. There is a market.
Check out Ron Francis. I believe they may have one.
Watching this video helped me notice that the previous owner cut the fusible link for the computer 🤦🏿♂️
Yea I've always hated wiring i can do it but man it's a pain. My pops was always the one that did our wiring bc i hated it. Unfortunately hes gone and i cant rely on that any more. But i do have my cuz he likes messing with it so i usually call him over to "help" me and by that i mean do it for me. Lol
I've been trying to find a dash harness forever for a reasonable price. I see them pop up on eBay from time to time but I'm not paying $300+ for a used harness. I found an aftermarket one but it's only for aftermarket gauges🤬
I had the same problem like a month ago fuel pump wouldnt prime no spark bought a new relay for the fuel pump still no fix bought an ecu relay still no fix traced the wiring harness for 3 days come to find out it was a bad ecu relay the parts store had sold me a faulty relay put another new one in it and it fired right up!! That ecu relay can cause all kinds of weird sh*t to happen man its unbelievable but glad to see you got your problem solved also and thanks for all the great content its coming along nicely keep up the good work cant wait to see it fire up
could you help me?
Congratulations Brew2l. It's always a pain with wiring and you made it look easy. Keep up the great work and you have motivated me to finish up my project. It's a 93 GT with a 347 install and upgrades to match. You're the MAN!
Man your video's are getting better all the time if anyway possible foxbodies can drive you crazy you don't give up you have slot of patience it took me 40 year to get patience like yours love your video's more & more all the time if that is anyway possible great video
Here’s a tip from a guy that deals with low voltage controls daily. When diagnosing a problem always get the wiring diagram and when you think you’ve identified the problem area start with where the component gets power and work your way through all the connectors, relays or whatever that circuit has in it testing for power at each step. Work your way from power to ground, leave no stone unturned.
Now you fully understand why I had a stroke that day you and Russell cut the orange and black wire on my car!!! Lol! By the way, up to ‘91 the relay is under the seat, I believe it was in ‘92 when they moved them under the hood.
If was definitely 92 and up when they relocated the fuel pump relay under hood.
I parked my 87 Mustang a year ago running. Now that I want to sell it, it will not start. I have a broken fuse link by the strut driver side. Green one side and different color on the other. I also have the brown and black wire with a butt connector going to nothing. It's been so long I can't remember what this stuff is. Does the brown and black wire go to ground or ignition power? The interesting thing is a have full pressure and sparkler but it will not start. It was running fine when I parked it. It has always started and this is the first time in 24 years.
Just want to say thank you man. Not many guys are out here giving sources like you do. I’ve started taking my fox apart for the first time and your videos have made things so much easier.
Thank you brother! I appreciate your support 💯🙏
If you need any schematics I have a bunch of ford factory service manuals. It’s good to see you work through it. I’ve been there and it feels great to finally get something fixed that you have been working on for days.
Man I was so happy and smiled just as hard when I heard that fuel pump prime!! Loving the video updates of this car keep them coming!!!
This is the best harness video out there. I am about to attempt to throw a stock 302 into my 89 roller and after watching this, im actually looking forward to wiring it all up.
Really enjoyed this video. Keep up the good work. Wish there were alot more trouble shooting video on fox body like this . 😎
Sweet glad you found your problem, can't wait to hear her run, thanks for the tease at the end🤣👊
It's alive!!
Thanks for explaining the harness, that was very helpful to me. Yes, Neomustangs is a great fox channel too, shares all kinds of useful tips. He's got a black fox that is clean and MEAN!
Tip I learned on the salt and pepper shakers, use a wood clamp to mesh them.
Great tech video, saved in my Fox library 👍
Better yet, delete them completely 😎
@@black88lx or that
Nice work man. Appreciate you taking the time to explain everything on that harness as well.
The project is coming along great! Bad Shoe Productions has a video series that covers swapping a fuel injected V8 into a non V8 Fox platform. He goes over wiring in great detail. Differences in years, stick vs. auto cars, grafting the engine harness to the body harness, trouble shooting, tips, tricks and more. Very informative, helped me a great deal
It's all down hill from here..... Finish line for "On the Road" is in n sight. Glad you were able to work through that one. #StangBangin is what we do
Brew2l congratulations on the hard work to overcome. I’ve swapped several foxes and done many Cummins swaps and it always ends up being a main power or ground connection that bites you. Patience is a virtue in mind fu_king situations like these.
I had a couple blown fuseable links before. And the tan wire with the green stripe is the ECM trigger wire to ground the relay. Also I've had a lot of luck following the road maps in the back of the Haynes manual
Very good video! Thanks for taking the time to break it all down and show step by step your diagnosis. I’m sure a lot of guys out there will really appreciate this video! I chuckled a little bit when I seen that proud smile of a man overcoming an obstacle. I know the feeling, hearing your project busy off for the first time is like music to your ears. Almost like proud pappy moment.
Awesome, we are restoring an 88GT T-top at the moment and it's down to hooking the stuff up. I have a long block that was rebuilt that come out of a 90 I believe. The AC WOT shut off relay was in fact had exposed wires. We did not know what the relay was for. After watching this we now know. Great info. Of course we fixed the wiring with a new aftermarket harness. So hopefully we will get it all plugged up and see if she fires up, also see if the PCM will agree and work well with the Lunati cam and Holley heads lol. Thank you again for posting this, perfect time, we just fixed the relay harness in question this past weekend.
Great video! Only thing I would suggest is using some dielectric grease in the wire loom connectors as a preventive measure for moisture corrosion shirt circuit prevention!!
I wanted a first fire. Seriously though I am glad you found the problem.
Thanks for all the hard work you put into the channel. Great video!
Great video this has helped me a ton for my 92 roller project. I had no idea on some of the wires on that harness.
Good info and great trouble shooting and teaching thanks for taking the time to show how trace the problems 👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍
Just a quick tip when putting the harness through the firewall. The blower housing can be removed from the bottom of the AC box giving you much more room. Just three bolts. Two on the bottom and one behind the glove box. Pull those out, remove the blower housing and you will have tons of room!
I have been chasing the same low voltage at inertia switch issue on a non-running 88GT that I just picked up. That same blue 20GA fusible link in my wiring harness was also broken off where it connects to the starter solenoid. Thanks for posting the video...I am not sure how long I would have been chasing that issue!
Just found my new go to dude on TH-cam, Thank you for all you do, you have inspired me to seek out my issues on my 93 - 331 stroker. I was about to throw in the towel until i came across this video. Time to pull the harness :(
Nothing better than success. Good job!!!
Thank you for your channel and this car. Because of you I have now started playing with my 87 t-top And guess what. Fuel pump won't turn on. So this video is helping me big time. Thanks again
Great video again...Great video!!..I replaced the fuel pump thinking it was bad..checked everything..Relays..replaced the trunk cut off switch..car cranks but doesn't turn on pump !..I've see there us a way to bypass computer..im thinking it's the computer..if there is a way to test from a different place...thanks always great stuff...and im driving from NYC to Foxtober!!..first time!!..
Nice work! Always a good feeling when you figure out a tough problem.
Great video! I dont have any wiring issues (my car is stock, lol) but now I know more about the wiring harness. Thanks!
Very helpful video . I actually like changing out wiring harnesses but I don't like looking for shorts because I'm not good at it. On another note Fox bodies sure have a lot less wiring than the 3rd Gen. Camaro with the TPI there's 2 harnesses that come out of the computer probably a total of 40 wires on TPI.
Dwell time in the coil in the beginning is there but once cranking coil saturation isn't taking place due to poor grounding. When key is turned off, there is a collapse of magnetic field producing the spark during shut off! Hard to diagnose when you're not there in person!
Brew2l you may not be an expert on FoxMustangs. But you know a lot. 👍
Thanks brother
I have a 88 Lx With a 89 wiring harness I wasn't getting power to the fuel pump.my problem was that I had the eec power wire hooked up as a ground. Because it was what I thought was a black wire after months of checking wiring diagrams And cleaning that wire with some cleaner I found out the wire was blue and it was a power wire.
That was the exact wire that was cut on mine.
I am having a fuel problem with my 88 lx the pump runs want shut off with key on I hit the Schrader valve and gas is coming out it seems very week the car will try to start but just want go my next step is the fuel pump glad you got it figured out man and you give me some good to know info on the wide open throttle. Relay also for some reason the previous owner had 2 wire's on it wired together dont know what that's about yet I unhooked them for the time being I already changed my ecm and man was that thing hard to locate used the reason I changed it out was because when I first got the car it had no spark so I pulled the pip spout and it had fire checked voltage on Orange wire on tps only had 3 volts reference signal but with used computer it has 5 volts now and will fire with the pip plugged back in I am hoping my problem is the fuel. Pump also I checked the red wire on thr injector with key on it has 12 volts 👍
Mate Ive got an 88 EA ford falcon ( Im an Australian) and this Vid helped me work out what was wrong with it. Apart from the relays being in different spots there pretty much similar. Thanks heaps from the land down under :)
Hell yeah man great job
And I’m happy for you. We all know that feeling of finding a problem
That’s been bugging you.
Thats one of my least favorite things to do on a car. Chasing a wiring issue...ugh. Lol. Glad to see you found the problem!!
Forgot to plug the computer up,lmao that's priceless.Been there is why I'm laughing 🤣😂💯
Man I've been there before. Such a good feeling getting something like that figured out finally. Keep chipping away Its all happening. Lol.
I have an idea for some content. You mentioned that you needed to get a fusible link, could you incorporate that into a video of how to set up a fusible link. That’s something I lack the understanding of how to do, or the proper way to set up. I also don’t know how or when one should be used. I’m really good with electrical wiring on vehicles, but I can always learn more.
Never give up.
Thanks brother great job 👏 nice house congratulations
Relay under the driver seat is my guess after you said fuel pump not priming
There is a body to injector harness pigtail that are different. So I’m going to watch the video now
I have a 1988 and from the get go not all harness will work with 1988 they have different o2 wires also most wiring harness this old need replaced or rewired.. these wires are all old and brittle. I've rewired most of mine and found that the cluster causes a lot of issues if not in good contact on the plug.
I wish I saw this last year would’ve saved me a lot headache. Picked the kids up from camp and car wouldn’t crank
Thanks on the tips on fusable link
Where can you buy the correct fusible links for this truck? I have a bad 20ga one, seems like the auto parts stores only carry 14ga and 16ga. Thanks for the great video
Great video have a good day and stay safe 👍
My guess is cool of the pick up.on the distributor
2 years later n this shit saved me lmao
Where was your spout connector and why did they put that in ?
I’m having the same problem on my 87, Q: how do you get power to test the pink wire on the fuel pump relay.
Last year my ecu blew up I parked the car then it wouldn’t start I tried everything until I open my ecu and 3 capacitors were burned out for no reason I found the same ecu A9L and fixed the problem my opinion is their getting old it was a really hot day that day I drove it was a 100 plus degree day car has been running since then now I have the problem wear the oil pressure drops after it warms up I have a high volume oil pump everything is new with under 3k miles
My 88 vert will not prime either. I replaced the fuel pump relay and no luck. I sprayed some starting fluid into the throttle body and it started up and ran for a couple of seconds. I’m replacing the fuel pump and filter this weekend. If that doesn’t do it, does anyone have any suggestions?
Did you fix it? If so, what was the solution?
Thank you for posting
On the wiring harness where you said salt and pepper what would be the orange wire coming out right there that looks like maybe a ground go to?
Ok question. You did help me figure out the ECU ground to the battery negative. BUT what if my fox has power to the fuel pump, new starter, new solenoid, power @ IGN, solenoid, AND ECU but still will not start. I have checked with this video and the ECU is grounded, relay is fine, and power is where it should be. I am LITERALLY at a complete loss as to why my Fox will not even try to turn over. Just dead as soon as the key turns.
Great video. Wire can be intimidating. I can't help but notice you swapped the explorer intake out for a stock intake. How come?
It’s just temporary so I could get the car running and has as few “ what if’s” as possible.
I went through this on my 89 ssp. But I had a fuel pump and fuel pressure at the rail. But the injectors wouldn’t fire off. It would run fine on starting fluid. Ended up selling the car before I fixed it
Damn... no telling what it was either.. 🤔
BREW2L I’m not sure. I messed with it for a week or two and couldn’t get it to fire off. Everything else worked fine but injectors wouldn’t pulse. Wire harness and computer, engine and trans all cane out of a running donor car that was also an 89. But building 3 mustangs got old fast and I sold it.
Seems to be a poor ground (high resistance)! Is the solenoid on bare metal?
Thanks for doing that Bro!🦊
So I have the same loose wire,where did that wire hook up to? I have a smaller blk/ orange wire really close to that one, it seems to be coming out from inside wiring and connects to that ecc test area. It’s hot I know that no key needed and lights up test light having trouble chasing it might you know where it’ goes?
Excellent job sir :)
I don’t have the patience to do that kind of wiring checks anymore I have a wiring issue on a 14 focus ST and I am about to pull my hair out of my head
I liked this video. Thanks for uploading it!
My 87 had the same issue and it was a bad fusible link on the one where 2 wires go in to one
I think I’m having that same issue now. Where did you buy the 20ga replacement fusible link? Really hard to find.
@@pane889 car quest, they have fusible like wire, works good I even used it on my F150 just a little roll of light blue wire I guess made to break if any issues happen
Have you used any of the solder seal wire connectors yet? If not, check them out on the TH-cam. They’re a pretty neat little deal.
I envy your patience!!🤔
Hi
The inertia switch can also be
triggered by a blown tire it happened to Me . 🇺🇲🇵🇷🦊👍
I would say bad solenoid or you don’t have a fuse link hooked up on the solenoid, ( I had the same issue wire tucked my car ended up grounding a fuse link that needed power ooops two days later I got it figured out) you have spark so couldn’t be bad tfi
My car is stalling alot on take off I've changed everything but I think it's a ground wire somewhere that's either touching something or something is loose I really don't know 🤔
Any idea how i can diag, a duraspark 2.. with crank and Feul but no spark, Got a new coil, got new plugs and wires coming tomorrow
Something telling me it's the module for some reason because I got no spark out my coil when disconnected at cap
I am having the same problem with my 1991 f150 5.0 efi and I'm not sure which wire that is if I could get some help that would be appreciated I put the frame on a 1979 f250 and it has all the same wiring nothing changed
Do you have a vacuum hose video ? Because when i plug in a line to my egr valve the car wont start
missing a fusible link there i think? but im on vacation and cant walk out to my car and make sure.. edit... aaahhhaa knew it my car had same problem and took 2 weeks and my go to fox guru to figure it out
Good stuff! Informative!!
Hey man. I’m having issues with my fox. I just installed the terminator x and it ran great for a while. Now my issue is I lose spark about 2 minutes after it idles. If I try to re start the car I have no spark but if I cycle the key on and off I have spark again but it only stays for about 2 min. Now I’ve got a Holly duel sync distributor and a msd 6a box everything is wired correctly but I now have no spark at all. Have any ideas ??? Would help me out ALOT if you did. Thanks again and keep up the great work !
Does your static timing match / car timing , check fixbody mustangs on TH-cam for first start up tips / set ups .
Was it the classic mixed up wiring at the solenoid
"I'm not a FoxBody expert" then he proceeds to explain every connection in the wiring harness. As a result I've removed my application for consideration in being classified as a FoxBody "🤣 Expert" . I don't think I can even take that title
Yes!! Same freaking wire!
Which wire is it?
@@UFOGHOSTHUNTER mine was one of the black fusible links that go in to one conector on to the solinold
I have a 93 gt that shoots voltage to the ignition coil but doesn’t send anything to the spark plugs. If anyone has a clue please help.
I've spent over a year chasing wiring issues on mine and still have not been able to drive it :(
Hey bro! What color are the test port wires?? Thank u
Man honestly I have no clue... 🤔
@@BREW2LFOXBODY ok thank u
I have a LOW VOLTAGE prob as well cant sort it out lol the gauge is on the red lol
GREAT VIDEO !!!!!!!
I have a problem with mine 91 gt cranks and starts but sputters and dies . Cleaned mass sensor and changed injectors new fuel tank and fuel filter changed the sensor on the coil pack and changed fuse under drivever seat I'm stuck. Anyone know what it could be ??
@BREW2L check out @Neomustangs channel, this guy has been in the Fox game for a long time and has a killer video explaining all the Harnesses and the differences between them.
th-cam.com/video/SAL5vmHWqJY/w-d-xo.html
Here's the link
th-cam.com/video/TR-3SRXWuRI/w-d-xo.html
Here's a fuel pump video he did, hope all this helps
Just finished watching your whole video, kinda jumped the gun and didn't realize you saw the the @Neomustangs video, my bad! LOL
I just bought a 88 lx and it starts fine but after it warms up it wont re-start for hours, the battery is in the back of the car and supposedly it has a 200amp alternator I'm not sure but I'm wondering if maybe it's a timing issue or a weak starter or just something wrong with the battery
Same issue on a 99 Pontiac Firebird 2 and 1/2 years later crank position sensor was the culprit might want to check it out
Chased all wires and everything seems fine. 1993 gt fox only stays on when sparing care cleaner directly in the throttle body. Already swapped distributor/fuel pump/mass air sensor. Anybody having this problem
Spraying carb cleaner*
You did not adress the firing issue did you?? Thats my exact problem
My 91 if the key is fully turned over to start it won't spark but if I back off as I turn it over just a hair the dash lights will come on (battery, check engine) it'll fire and start up
Have you already replaced the ignition switch?
Ignition switch problem, no?
@@TheModAddict I've replaced that ignition tumbler and the switch.
Should've called me bro. You know the demons we've vanquished in my green car. LOL
Ground?