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  1. 4.6L Tech
    My O/D switch in my 2001 GT does not work. Does anybody have experience fixing the switch or at least know how it is wired? I took a quick peek at one in the junkyard and it doesn't look to have a quick-release plug or wiring connectors.
  2. 2005-2010 V6 Mustang Tech
    I have a 2006 v6 Mustang that i bought recently for my son. Everything works fine, except we have this issue where the drinker side headlight comes on at random times while the car is off and stays on (which kills the battery) disconnect the battery. I have checked the connector and the...
  3. Classic Tech
    I've been working to switch the lights in my 1965 Mustang to LED's and I'm currently stymied by some strange behavior: the right turn signal switch activates both the right and the left front turn lights, while the left turn signal only activates the left light. The rear brake lights & turn...
  4. 4.6L Tech
    Hello all! Recently acquired a 2003 Mustang GT which I have been cleaning up. I noticed a bit of rough idle and decided to do some digging under the hood. While doing so I came across two connectors that were tucked away towards the front of the engine, both of which seemed to have nowhere to...
  5. 5.0L Tech
    I know, I know. Another guy with the wrong parts trying to make it work. Well… I did make it work. Sorta. I have an 89 lx 4cyl that I swapped in a 93 5.0 along with the 93 ecu and harness while keeping the 89 body harness. With some wire jumping I did get the car to run and drive great with the...
  6. 2011-2014 V6 Mustang Tech
    I recently purchased a facelift/conversion kit and the kit requires the parking lights used in the 2015 Ford Mustang models. How would I wire the parking lights? I haven’t received the parking lights yet, but I did my research looking for the female and male from both years and they don’t look...
  7. 2011-2014 V6 Mustang Tech
    Greetings, I just purchased my first Mustang. 2012 Mustang V6 w/Car Club package and I am having a lighting issue. One low beam was out and I finally figured out the issue, it was a fuse. Sounds good right? No... I opened a can of worms or should i say wires. The headlights are the...
  8. 2011-2014 Mustang GT Tech
    Okay so I've done quite a bit of research and I know people USUALLY give up on this route, but I'm feeling determined. I'm debating on getting into self tuning with HP Tuners, and I'm curious if anyone HAS done this, and I'd love to have their experience and wisdom if so. I'm planning to keep my...
  9. Audio, Video, Navigation & Alarm 🔊
    I've got a 1988 mustang convertible. I just bought a wiring harness, put that all together, took the football amp out, but i cant find the right amp bypass for my car, nor do i really know how that works. I went to crutchfield but cant find much. Wondering if i could get some links to the...
  10. Classic Tech
    OK, I am looking at the wiring diagram and I am unclear on what I am trying to connect where. I have the wiring kit from CJPony for a 66 Mustang. I not clear on 2 things: 1. What does the switch connect to? 2. How does the wiring connect from the pump to the dash area. I have the wire...
  11. 5.0L Tech
    I'm looking at buying a 1983 roller coupe and have a motor from 87 MAF donor car I'd like to swap into it. My question is how difficult would it be to swap in the EFI motor and still have all instruments work in the car (cluster, air, console controls, etc..)? Would I need to pull the harness...
  12. 4.6L Tech
    Hello everyone! First off, I'd like to say hello to everyone in the forum! If we have any Bullitt owners in here, I probably met you way back in the day when I owned an 01' Bullitt after high school. Also owned a '93 Notchback Fox and a '96 F150 so I'm no stranger to Fords. Recently I got the...
  13. 4.6L Tech
    Hello all, I just recently purchased a 1999 Mustang GT. The previous owner bought it and wasn’t running. Found out that the obd2 port was cut off and melted. He replaced it and now the mustang only runs with the scanner plugged in. However the dash periodically works and none of the lights work...
  14. 2011-2014 Mustang GT Tech
    So i am retrofitting the s550 style lights for my 2011. Originally they had a plug that replaced where the turn signal bulb plugged into. I'm wondering A) if it matters how i plug it in (don't think it matters) and B) which wires would be the parking lights and which is the turn signal leads...
  15. 2005-2010 V6 Mustang Tech
    My serpentine belt was squeaking so I went to my local parts store, they sold me a 4 rib belt instead of a 5 and I didn't notice.. I didn't even get 10 miles on the new belt before I realize my rpms and dipping HARD at idle and my a/c is going from cold to hot over and over, my fans usually come...
  16. Mustang / Ford Related News
    We previously discussed how the implementation of bio-plastics in the automotive industry contributed to new claims that rodents have developed a penchant for wiring insulation . While rats gnawing on wires of cars isn’t a novel problem, some believe that the new materials used have exacerbated...
  17. Classic Tech
    Disclaimer: 23 year old who doesn't really know much at all about cars, but is getting there. 1970 mustang, automatic, 351W So I'll begin from the start, which always helps, and try to keep things concise: Gauges worked fine prior to new wire harness Replaced old harness with new one, wired...
  18. 5.0L Tech
    I am working on a newly acquired '64 Comet, with a 5.0 HO and AOD swapped in it. The car generally runs pretty well, but will pop (out the intake I believe) on occasion when applying very light throttle, and occasionally idle roughly. If it is idling roughly, it will likely pop with light...
  19. 2015-2023 5.0 (V8) GT Tech
    Hey everyone, new user here. First post. I have a 2017 GT and I'm trying to wire up some underglow lights for courtesy lighting. I already know how to wire them. I'm just going to wire them the way cjponyparts instructs you to wire the footwell lighting. That will make them only turn on when...
  20. Classic Tech
    I have a 68 Mustang that I've added a horn relay to. It did not originally have one, like most vintage mustangs. Since I modified my steering wheel I had to create my own horn button and because of that, wanted to ensure I did not fry it running full voltage through it. So, I decided to add a...
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