• Tags

electrical issue

  1. 0

    2001 GT stuck in 2nd

    Receiving all these codes on 01 gt Recently bought previous owner said he turned tune off. Gave me the bama scanner and hand held tuner. I can get up to 50-60 between 4-5,000 rpm can go in reverse took to trans shop they said more of a electrical issue : I’ve Replaced Silonoid A&b plus internal...
    • 01gtslider
    • Thread
    • Jul 29, 2026
    • bama tuner electrical issue obd-ii codes transmission
    • Replies: 2
    • Forum: 1996 - 2004 SN95 Mustang -General/Talk-
  2. M

    Electrical 93 5.0 No Injector Pulse

    Just picked up a 93 5.0 because the seller was not a car guy and just wanted to drive it. I have run down as far as I understand the fuel system pulled the intake and checked fro 12v at each injector all good did continuity test from each injector ground back to the ecu plug all test good. None...
    • machinermac
    • Thread
    • Jul 26, 2026
    • electrical issue fuel delivery
    • Replies: 15
    • Forum: Fox 5.0 Mustang Tech
  3. H

    New Built 91 Foxbody electrical failure. Need help

    Just acquired a 1991 foxbody Mustang, built 302 motor carbureted, battery in the trunk. Car died, battery in the trunk swelling and smoking, large white cloud of smoke came through cd player console as car died. What could be the issue. Car will not start and no power now. Fried harness? Don’t...
    • hassler
    • Thread
    • Aug 18, 2025
    • electric electrical electrical issue help new car
    • Replies: 8
    • Forum: Fox 5.0 Mustang Tech
  4. L

    Electrical issue

    Hi I have a 2004 Mustang gt. It starts fine but I was washing my car and went to lock it and it didn’t lock so I thought the key fob was dead so I changed the battery and still not working and usually when you open the door it beeps their was no beep and to that I have no wiper, no brake lights...
    • Landonf00
    • Thread
    • Aug 10, 2025
    • electrical issue help new edge gt
    • Replies: 0
    • Forum: 1996 - 2004 SN95 Mustang -General/Talk-
  5. G

    Resolved Please help! (starting issue)

    Ok I’m goina try to get all the relevant info out and hopefully someone knows what the golly gee whiz is up. I have had this 89 mustang 5.0 for a while now and has sat for maybe 8 years. It has an aftermarket security system(black widow, 2 button fob) in it that came with when I bought it. It’s...
    • Ghoste
    • Thread
    • May 11, 2025
    • 1989 gt electrical issue help please ignition problems
    • Replies: 7
    • Forum: 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
  6. B

    studder/miss on 289 on hard(er) acceleration

    I have a 67 with a 289. Aluminum heads, intake, dual points with petronix distributor running a edelbrock 650. car had a dead mis/hit at about 3000 RPM when accelerating. I can creep up and surpass 3000 RPM with no issues but when going through the gears it feels like the engine hard shuts...
    • Bristang5
    • Thread
    • Sep 18, 2024
    • electrical issue engine missing
    • Replies: 3
    • Forum: 1965 - 1973 Classic Mustangs -General/Talk-
  7. F

    2000 convertible gt AC clutch

    All this was removed by Noobz. I will attach my reddit post which highlights my troubleshooting methods
    • Frankdu
    • Thread
    • Jun 14, 2024
    • clutch electrical issue
    • Replies: 1
    • Forum: 1996 - 2004 SN95 Mustang -General/Talk-
  8. D

    Electrical Manual 2003 GT 4.6L coupe that will not start. Thoughts? Resources?

    Manual 2003 GT 4.6L coupe that will not start. What else should I do to troubleshoot the issue? What seems to be the most likely culprit? Who's had this issue before and was able to resolve it / how? PROBLEM: Key goes in, theft light turns off after 3 seconds, keys turns to start the engine -...
    • DapperFish
    • Thread
    • Jan 17, 2024
    • electrical issue pats issue starter problems
    • Replies: 3
    • Forum: SN95 4.6L Mustang Tech
  9. Losing my mind with electrical issues.

    I've finally got my car to start, idle, and apparently only drive in reverse. My 2002 GT Convertible is having some issues. The car starts, idles, revs, and reverses like a normal car should. It has no CEL, alternator is new and tests good, but for some reason when you put it in first gear and...
    • RedbeardTheRedneck
    • Thread
    • Mar 26, 2022
    • electrical issue ground wire please help
    • Replies: 29
    • Forum: SN95 4.6L Mustang Tech
  10. M

    Electrical Fuse E Blowing need help diagnosing

    Hi all, 1994 V6 Mustang, bone stock electronics. I was driving and the car completely shut off. On the side of the road I had a crank no start. After a tow home I see fuse E in the engine bay is blown and has continued to blow as soon as key is switched on. It controls - PCM - Fuel Pump - O2...
    • Mike Aggy
    • Thread
    • Aug 18, 2021
    • crank no start electrical issue fuse fuse e help no start pcm
    • Replies: 5
    • Forum: 1994 - 1995 Specific Tech
  11. F

    Electrical Ignition switch problems

    Okayyy so my ignition switch in my foxbody 91 disassembled like it seperated from the metal part so i tried to put it back together while car was connected to battery while i was doing that in a moment i heard a pop and white smoke came from under the hood driver side. Inside the car nothing...
    • Frank cortez
    • Thread
    • Aug 4, 2021
    • electrical issue ignition switch
    • Replies: 5
    • Forum: Fox 5.0 Mustang Tech
  12. F

    Electrical 2003 Mustang GT - Brake and Blink Fuses Blow

    I have a 2003 GT Convertible and randomly it blows 3 fused all at once. I can't pinpoint the situation when it blows. It seems totally random during driving. I try and replicate it in my garage by hitting the brakes, using the turn signals. Holding the brakes, and hitting the turn signals etc...
    • Froggman
    • Thread
    • Apr 4, 2020
    • blown electrical issue fuse wiring
    • Replies: 7
    • Forum: SN95 4.6L Mustang Tech
  13. Electrical

    So...I drove my 90 GT the other evening as I often do. Didn't notice anything unusual while driving it but then again, I only drove it a half mile. Brought it home and parked in the garage. Next morning I went to use it and the battery was almost dead. Wouldn't start. Every once in a while...
    • KaptKane
    • Thread
    • Feb 26, 2020
    • alternator not charging electrical issue short circut
    • Replies: 2
    • Forum: Fox 5.0 Mustang Tech
  14. 2

    Electrical Power Window Wiring Nightmare.Please Help.

    2002 Mustang GT Auto. Previous owner added a Dei 530T Module so the wiring is not orm from factory. I fixed the driver side power window and lock by re wiring everything back to stock. My problem is my passenger side is getting no power at all. Side Mirror and window do not work with any of the...
    • 2VTony
    • Thread
    • Feb 8, 2020
    • 2v mustang electric electrical issue new edge power window wiring
    • Replies: 1
    • Forum: SN95 4.6L Mustang Tech
  15. B

    Coolant eruption... car cranks but won’t start... HELP please!

    So I was performing maintenance on my 99 v6 3.8 this past weekend, I replaced the valve cover seals and lower and upper intake manifold gaskets. Reassembled the engine completely and started it up. Car ran for approximately 15-20 while I was bleeding the coolant system. I loosened the upper...
    • barandw
    • Thread
    • Jan 22, 2020
    • air coolant crank no start electrical issue fuel no start spark v6 3.8l
    • Replies: 5
    • Forum: SN95 V6 Mustang Tech
  16. R

    5Volts reference putting out 12 volts with key on 18 volts with car on(overcharge)

    I noticed my tps and other sensors like iac and others are giving a 12 volts read on my multimeter with key-on instead of the usual 5 volts it goes as high as 18.5 volts with car on! I'm guessing those ("missing") 5 volts show up eventually when I turn the car on? But wait , how can that be... I...
    • RetroActive
    • Thread
    • Oct 15, 2019
    • autoelectric charging issues electric electrical electrical issue electrical problems ground wires overcharging pcm wires
    • Replies: 3
    • Forum: 1996 - 2004 SN95 Mustang -General/Talk-
  17. D

    Electrical 88 5.0 Tach diagnostic help

    First post here. I’ll get straight to business. I have a 1988 5.0 Im currently restoring and the tach is dead. I have removed the whole harness during the resto and gone through it from the ecu to the engine. The tach only moves when cranking the engine to about 100-200 rpm. I have tested the...
    • Deydey88
    • Thread
    • Sep 25, 2019
    • diagnose electrical issue gauges help 5.0 gt tachometer wiring
    • Replies: 0
    • Forum: Fox 5.0 Mustang Tech
  18. T

    (Solved) 97 GT 4.6 Starting problems

    Alright, I have been lurking here for awhile as my vehicle has given me nearly non stop issues thanks to the previous owner. Finally I have an issue that I cant find a solution for in the forums, so here i am. A couple weeks ago I went to the store and upon trying to leave, I was met with a...
    • twisteddoes
    • Thread
    • Jun 6, 2019
    • electrical issue sn96 starter problems starting issues
    • Replies: 13
    • Forum: SN95 4.6L Mustang Tech
  19. 9

    Electrical 1990 GT - Weird Electrical Issue

    Ok so for about a week now I've been getting this odd electrical issue with my 90 GT only when it's raining (I live in Seattle so pretty much everyday that ends with Y). It started last Friday when I was heading home from work, the radio will cut out for about half a second and the wipers will...
    • 90foxbody00
    • Thread
    • Apr 24, 2019
    • 1990 mustang gt electrical issue
    • Replies: 8
    • Forum: Fox 5.0 Mustang Tech
  20. 1995 5.0 - Drivers window rolls down by itself

    I checked all over this sit and have found nobody else with this issue. My pretty purple pony is possessed! Last week my drivers window rolled itself down on its own while I was warming up the car. I tried pressing the button to roll it up with no result. As I drove I tried the button again and...
    • akaNYr
    • Thread
    • Jan 19, 2019
    • electrical issue
    • Replies: 1
    • Forum: 1994 - 1995 Specific Tech
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