electrical issue

  1. 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...
  2. 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...
  3. 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...
  4. 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...
  5. F

    2000 convertible gt AC clutch

    All this was removed by Noobz. I will attach my reddit post which highlights my troubleshooting methods
  6. 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 -...
  7. RedbeardTheRedneck

    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...
  8. 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...
  9. 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...
  10. 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...
  11. KaptKane

    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...
  12. 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...
  13. 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
    • air coolant crank no start electrical issue fuel no start spark v6 3.8l
    • Replies: 5
    • Forum: SN95 V6 Mustang Tech
  14. 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...
  15. 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...
  16. 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...
  17. 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...
  18. akaNYr

    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...
  19. M

    Electrical car is possessed please help was supposed to leave for a 1200 mile trip tody

    Ok guys im going to try and explain this as best as I can my 1993 mustang gt is acting crazy!! So for the past week or so ive had a few electrical issues nothing I was to worried about. A few examples are my dome light went out. My headlights flashed once and about a month ago my headlights went...
    • moon9398
    • Thread
    • dash lights door chime electrical electrical issue electrical problems fuses heater core wiring harness wiring help wiring issues
    • Replies: 3
    • Forum: Fox 5.0 Mustang Tech
  20. N

    2003 Mach 1, electrical issues

    I have a couple issues going on with my Mach 1 at the moment. For one i recently replaced my drivers side window motor since it went out but now when ever I raise it all the way up or drop it all the way down the motor doesn't stop and make a loud clicking sound of the 2 gears clashing unless I...
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