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wiring issue

  1. Occasional Starting Issue (Need Help)

    4.6L Tech
    Good people, I need some help as I am not as wire savvy as I would like to be. 97 Mustang GT 4.6 SOHC It will start/run strong as long as it wants, it could be a day or it could be 3 months. Every now and then, when I put the key in and turn the power on I won't even get dash lights or I will...
  2. 2015 GT, Output Speed Sensor Wiring?

    2015+ 5.0 Tech
    After recently purchasing my 2015 GT, I discovered that the previous owner did some fudgery with the output speed sensor on my transmission (See photo below). I get the sense that these three butt connectors are mixed up, since my datalog shows 0 RPM's, no matter the speed. I also have a feeling...
  3. Looking for wiring tips on 86 mustang.

    5.0L Tech
    Hi there, Need help with wiring. We are trying to fit 90 harness with the 86 dash. Tips or opinions greatly appreciated Thanks
  4. 1965 Mustang electrical Power Surge with Increased Throttle?

    Classic Tech
    I'm Having a problem with blown headlights in my 65 coupe. Every time I rev the engine my interior lights get brighter, and my headlights will get brighter and blow, on high or low beam it doesn't matter which one. My set up is as follows: stock 65 mustang wiring harness under the hood, halogen...
  5. 1968 Mustang Headlight Issues

    Classic Tech
    I have a 1968 mustang. The headlights originally did not work but I replaced the headlight switch after reading numerous reports that it goes bad and it is most likely the cause. Now the driver side headlight works but the passenger side headlight doesnt work. Does anyone have any ideas on how...
  6. 66 Coupe starter solenoid problem

    Classic Tech
    I recently got my car back from paint. When I got it back it wasnt running well anymore and was difficult to get it to start. We went ahead and swapped out the points distributor for a duraspark distributor after this the car was running better then ever for about a week or two. So when I tried...
  7. 89 windows and radio work without key

    5.0L Tech
    First I would like to say I just joined this forum after reading all the awesome posts and looks like there may be a common ground here to help each other. I am proud to be here and thanks for letting me join! Now on to the issue at hand... I purchased this 89 Mustang the other day and one of...
  8. 5.0 no spark condition

    5.0L Tech
    Help, I have a 1988 5.0 w/man transmission. I am getting no pulse signal to the coil. Have checked and am getting power to both sides. Have changed coil and wires, changed distrubitor with module, both new and set-up together.. Have checked different wiring diagrams and found two different...
  9. 1989 ford mustang coupe 2.3L fuel pump wiring help

    2.3L Tech
    So im not getting gas to carburetor because the fuel pump is not getting any power. i went back to the fuel relay and two out of the four wires have power and im not sure where those two wires go to fix them. the wires are pink with a black stripe and orange with a black stripe. The car had a...
  10. Turn signal wont work- 66 coupe

    Classic Tech
    Just took my 66 out for the first time this year. Went about 2 miles with turn signals working fine then right before I got back home they stopped working. The right signal just stays constant and the left wont work at all and I noticed the amp gauge flickers when I use both of them which seemed...
  11. Electric Fan Hot Wire Issues

    Classic Tech
    I have a 1966 Mustang coupe with a 302, C4 automatic transmission, air conditioning, power steering, power brakes. I recently swapped over from a 65-amp externally regulated alternator to a 3G internally regulated 95-amp alternator from PA Performance. I have an aluminum radiator with a Derale...
  12. 1988 5.0 Alternator Wiring

    5.0L Tech
    I have a 1988 Ford Mustang GT 5.0 and I'm trying to figure out the wiring for my alternator pig tails there are two of them and I am missing the smaller one with three pins. How can I wire a stock alternator back up to the pigtails? Any suggestions would greatly be appricated
  13. Need help with alternator hookup

    When restoring my 1967 coupe, we eventually replaced the alternator as well as the battery. The alternator that we received had different wire hookups than the original... Coming out of the harness there are 4 wires, a thick black wire, a thick blue wire, a thin black wire and a thin black wire...
  14. 1966 Mustang Starting Problems

    Classic Tech
    My 66 Mustang will turn over but will not STOP turning over. I think at this point I have probably cooked the starter (not sure because I'm not brave enough to try again). Could it be the solenoid? It's a 6 cyl.
  15. Wire problem installing reverse glow gauges on v6 1997 Mustang

    V6 Tech
    I'm currently trying to install a set of reverse glow gauges for my 1997 v6 mustang similar to these 96-97 98 FORD MUSTANG V6 3.8 120mph 7k GLOW GAUGES EURO: eBay Motors (item 180460077940 end time Aug-20-10 17:50:49 PDT) The fuel and battery sides slide on perfectly, and I have no problems...
  16. 1989 mustang 5.0 need wiring engine help

    5.0L Tech
    i have a 1989 mustang 5.0 that i need some wiring help on. i am in the process of putting the engine back together aka already together just need help on the wiring. i removed the ac cruise control and smog pump and was wondering how many loose plugs i should have laying around after i get...
  17. 1993 Mustang LX 2.3l fuel pump wiring screw up.

    2.3L Tech
    Just got into the fuel presssure problem on my Mustang, first thing was getting into the trunk to see whats going on. What we found is scarey. There is a extention cord wire..going from the fuel pump threw the trunk and interior to the fuse box. We need to know how to fix this hack job. anyone...
  18. 68 Wiring Issue

    Classic Tech
    My fuse box seems to be corroded in the clips. the wiper blades, radio, heater, interior light, horn, and dash light dont work what should i do. my last resort is buying a $600 wire harness but i wud like to make it all work for cheaper and easier. thank you
  19. wiring woes

    4.6L Tech
    I installed a new sound system in the car. The wiring kit that is used to connect the factory harness to the new system had 2 cables for illumination (1 solid orange wire, and 1 orange wire with a black stripe). As with most kits, you typically connect these 2 wires to the one orang wire with...
  20. 1973 Mustang mach 1 starter solenoid wiring

    Classic Talk
    HI,I am wondering If anyone could tell me where to find a link to a pic of the wiring of the starter solenoid and voltage regulator.I am having alot of electrical problems with my 1973 mach 1 .Right now it won't even start last week it started but while driving the lights just shut off.I bought...