electrical

  1. J_5.0_VERT

    Drivetrain Fox Power Loss While In Gear

    1990 5.0L Manual T5 - Will try to keep this short. Car is effectively “dying while driving” in all gears. Happens randomly at any rpm and speed, feels like the motor is heavy engine breaking mid gear and on the accelerator. Saw the rpm jump up like a blip as it happened this morning. The first...
  2. R

    ID this connector on 1966 mustang

    Hi, Can anyone identify what this connector is for? It's on the under dash harness in the area of the heater box. Thanks! Rob
  3. ucnhtmenow1

    Engine No start issue AGAIN!

  4. F

    Electrical Pink/Black Wire Specifically

    Hello, all! I am new to these forums, and forums in general. I have recently purchased a 1990 Vert, it is my first Fox Body 'Stang. I am troubleshooting the electrical side of the fuel system. I got the car with a "bent rim" (lol no, it was the axle) and a few other "minor problems". After...
  5. J

    Help! 78 II has no power to any electrical except headlights and taillights and hazards.

    Background: Hello all, I just bought a 2.8L II in December and ran into some problems. First, i am on a military base so getting this fixed sooner rather than later would be ideal. I have already replaced the battery cables, starter solenoid, duraspark module, fuses, cap and rotor, and...
  6. E

    Dash lights and button lights went out

    I have a 2000 mustang gt, I was messing with the cables in my off market shifter and my dash lights went out, the only lights that work are the brake light, low gas and I think check engine light. but everything else ok the dash board is out so I can’t see how many mph/rpm I’m going, or anything...
  7. 9

    headlights under load

    84 351w any ideas why headlights would dim when i give it gas? altenator?
  8. Project_2v_

    P1237 fuel pump secondary circuit fault

    Hey guys I have a a 2002 mustang gt. it’s FBO WITH TRICKFLOW STAGE 2 CAMS. Dyno tuned. I’m running into some fuel problems I guess and with that code I also have a random misfire which is P0300. I’m hoping to see if the p1237 code is the reason why I’m misfiring. Already did spark plugs with...
  9. 93CalypsoConvert

    79' Electrical Issues

    Well one fox just wasn't enough. I recently picked up a 79 5.0 notch that has been sitting in a field for 21 years. I've got it running and yard driving, but I'm having some electrical issues. The first is ignition. I must hot wire the coil in order to keep it running. It gets +12 while...
  10. M

    TAILLIGHT ISSUE

    Hey yall, came across a problem with the taillights and fog lights. For some reason when looking at my taillights, my turn signals work, my brake lights work, but when I turn my headlights on, my taillights fail to turn on. Is there a reason why everything works up until I turn my headlights on...
  11. R

    Electrical Fox Body Fuel Pump Issues

    Hey everyone! new here, just recently bought a 1990 Fox Body lx hatch with a 5.0. The cars engine was blown up and then replaced with another 5.0 by a shop, but the shop couldn't get it running/customer couldn't afford more labor to fix it. they were suspect of the ecu so I popped it open, found...
  12. A

    Electrical '89 GT Fast Drain of Battery - Battery Won't Charge When Connected

    I have an 89 GT 5.0 vert that to this point has had very few problems. I recently drove the car, then parked it for 20 minutes and the battery was completely dead. I replaced the battery and found it ran great again until I parked it overnight and the battery was dead again the next morning...
  13. J

    2004 GT Dash Indicator Question..

    First off, I'd like to say I'm a new Mustang owner and I FINALLY HAVE MY DREAM CAR! But being a new stang owner, I am trying to learn everything 101 I can about my 2004 GT. One thing I can't find (or maybe I'm not looking around deep enough) is What dash indicators should I be seeing when my...
  14. A

    01 Gt no start

    Alright guys I’m beating my head on a wall. I just finished up converting my 01 GT from a auto (40r70w) to a manual (tr3650). Tried to start it up and nothing. Original though was that it was the neutral safety switch so I looped the wires (gonna install remote start down the road so I’d have to...
  15. Alldegree

    Resolved 86 door switch wiring?

    This is a branch from my main progress thread here. I decided to start a dedicated thread for this problem to try and reach some more people with it. I feel like I’m really close to getting this but I think I’m missing some key knowledge. I’m having a rough time getting a couple of switches...
  16. B

    1980 foxbody - pressing switch for high beams causing engine to cut out

    I've been chasing an issue ive been having with my 1980 mercury capri (four eye fox) with an 87 302 swapped in . As the title states most times when I press pull the stock back for the high beams the vehicles voltage drops and causes the engine to either almost or completely stall. This happens...
  17. thatblackfoxbody

    Electrical 1990 - 1993 Clockspring Information and Repair

    Hey all, I am making this post to hopefully gain some insight and spread some knowledge about the clocksprings for the 1990-1993 Mustangs. I posted this same thing to reddit, but not sure if this will gain more traction here. I have a 1993 LX, and my clockspring gave out a few years ago or so...
  18. Nick Bos

    Horn Contacts help I'm desperate

    I have a 1970 ford coupe with a stock column. I found out my horn wasn't working so I took a look at the turn signal switch and found out that the copper horn contact was completely eroded away. I'm including pictures below of the copper contact I'm referring to. I took out the old copper horn...
  19. T

    Electrical 88 foxbody vert Ignition help!

    Hey guys! I'm fairly new here. I have a 1988 2.3 fox vert with 44,xxx miles. She is my daily driver, and one day, while driving, my convertible top motor, ac unit, and blinkers went out (but not the hazards). So I am 17, and figured maybe I could fix it myself. Upon some research, I saw that...
  20. 7991LXnSHO

    Progress Thread Goofy fuel gauge on slow progress

    After being here and owning my current Mustang for 10 years, I realize it would have been good to have a slow progress thread to keep track of what was done and ideas that need done. Searching through old posts works, but putting them in one spot would have been helpful. Pictures will follow if...
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