• Tags

eec

  1. What's it Worth? A9l and x3z

    Looking to off load 2 ecms. One is an unmolested a9L and the other is an x3z with a Tweecer RT. I have no idea what to ask for them.
    • DeathProof88
    • Thread
    • Jun 25, 2024
    • a9l computer ecm ecu eec x3z
    • Replies: 0
    • Forum: What is it Worth?!?!?
  2. Electrical EEC-IV Capacitor Replacement Info

    Replacing the capacitors in your Fox Mustang EEC? Here is the quick and dirty info you need so that you don't have to look all over the place like I did. I watched every YouTube vid I could find on replacing these 3 caps. I also watched plenty of “how to replace capacitors” in general. I have...
    • Wayne Waldrep
    • Thread
    • Jun 3, 2021
    • 1987 1988 1989 1990 1991 1992 1993 a9l a9p capacitor ecu swap eec eec-iv mustang re-soldering bad capacitors
    • Replies: 41
    • Forum: Fox 5.0 Mustang Tech
  3. SOLD MOATES QUARTERHORSE QH EEC Tuner

    Used Moates QuarterHorse, works perfectly. Comes with remote USB terminal and regular usb tuning cable. Works on 2004 and older Ford EEC computers. $190 shipped lower 48. Highland, Indiana
    • beyondEOD
    • Thread
    • Mar 23, 2020
    • 5.0 chip eec eec-iv foxbody moates quarterhorse sct sn95 tweecer
    • Replies: 1
    • Forum: Engine and Power Adder
  4. B

    Electrical No ground to fuel pump relay

    Hi All! I am a new member here, but I confess I have been lurking since I bought an 89 GT 5-speed convertible a year ago (wife says it's my "mid-life crisis car") There's some great tech advice on here! Hope someone can help with this issue. The fuel pump runs constantly with the key on...
    • BlueGTVert89
    • Thread
    • Feb 2, 2020
    • eec fuel pump
    • Replies: 4
    • Forum: Fox 5.0 Mustang Tech
  5. H

    87 T-bird W/92 5.0 Swap High Idle

    Hello All, New here. Ill do my best to explain the situation. Bought a 1987 Thunderbird for my brother. The car was originally a 5.0 non-HO. The previous owner swapped in a 5.0 HO out of a 1992 fox body and a AOD trans. He also swapped in the A9P eec without doing any harness changes. The...
    • hjbjzj
    • Thread
    • Sep 25, 2017
    • 1987 5.0 swap eec eec-iv eec4 speed density
    • Replies: 4
    • Forum: Fox 5.0 Mustang Tech
  6. Possible Eec Troubles! Help!

    Hello! This is my first post on StangNet. I've done plenty of lurking and searching to find lots of helpful information, this place is amazing! Before someone posts "Search it.", I have. Please read on. My car (1989 5.0 LX) has been having lots and lots of electrical issues. I've come to what...
    • SlayAllTires
    • Thread
    • May 18, 2017
    • 1989 dead eec help
    • Replies: 16
    • Forum: Fox 5.0 Mustang Tech
  7. Electrical Intermittent Power Loss To Computer

    I have a '95, base model, 3.8l mustang. Over a year ago I was having problem where, I would accelerate and car would start going, lose all power for a second, go, lose power, come close to stalling and so on usually 3-4 times. Lost all RPM's, speedometer bouncing, all gauges bottomed out and...
    • p7776x3
    • Thread
    • Dec 31, 2016
    • 1995 3.8l ccrm eec pcm
    • Replies: 1
    • Forum: 1994 - 1995 Specific Tech
  8. D

    Electrical Origin Of Rapid Clicking Grom Eec Area.. Eec Power Relay?

    Howdy All, Haven't found much on the online re an intermittent issue I have been having.. Sometimes there's a rapid constant clicking coming from the area of the EEC. It has happened with key on engine off, with KOER, and after turning over the engine when I can't get it to start (in all cases...
    • DuderMcMerican
    • Thread
    • Apr 17, 2016
    • eec relay
    • Replies: 2
    • Forum: Fox 5.0 Mustang Tech
  9. W

    Expired Tweecer Rt , A9l, A3m Computers

    I have a Tweecer RT for sale, this is the same one i used to help reverse engineer the RT lib for Binary Editor .. I no longer do much with cars anymore.. If i do , i can always just buy a new one :) or go MegaSquirt. Must Have for Any Do-It-Yourselfer! Pardon the picture, the Tweecer is...
    • wkstill
    • Thread
    • Mar 29, 2016
    • eec tuning
    • Replies: 6
    • Forum: Engine and Power Adder
  10. D

    Electrical Eec Capacitor Replacement, Pin 46 Jumper To Ground, & General Eec Work Question

    Hey gang, I have no continuity between pins 46 & 40/60 on eec connector, so I pulled the eec to inspect. After inspecting both sides of the circuit board, I saw no obviously fried circuit to go ahead and jumper (as has been the case for others). The only obvious issue was a leaking capacitor...
    • DuderMcMerican
    • Thread
    • Mar 14, 2016
    • capacitor eec pin 46
    • Replies: 17
    • Forum: Fox 5.0 Mustang Tech
  11. D

    Electrical Eec Pin To Ground Measurements, E.g., Resistance, Voltage

    Hey gang, Is there a list/reference that gives normal specs for when checking eec pins with multimeter? I tested all eec pins' resistance with known ground (battery disconnected) and got what i suspect are some abnormal readings for several of them (all eec grounds seem fine though)...
    • DuderMcMerican
    • Thread
    • Mar 8, 2016
    • eec electrical ground measurements pins
    • Replies: 5
    • Forum: Fox 5.0 Mustang Tech
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