• Tags

voltage

  1. Bad relay or battery or ???

    Parked my mustang GT and now it's dead as a doornail. Tried jumper cables, nothing. Would that lead to the Starter, relay, or Alternator? No lights or anything, all wires are tight, nothings changed.
    • robw13
    • Thread
    • May 28, 2024
    • alternator battery regulator relay starter voltage
    • Replies: 4
    • Forum: 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
  2. L

    Electrical Need Help

    Simple check spark plugs on a rainy Sunday. Look great for a 101k mile car. Re-gapped and replaced. Start car and my volt meter is now reading just above first white hash mark, normally rides at center or just above center. The only other thing I did related to wiring was clean the grime off of...
    • LATT5133
    • Thread
    • Aug 30, 2020
    • alternator charging issues voltage voltage gauge
    • Replies: 15
    • Forum: Fox 5.0 Mustang Tech
  3. D

    Getting codes 998 and 122.

    Have a 1991 Mustang Lx2.3l. When I do koeo test I get code 122. Tps sensor is brand new. Just replaced. Went ahead with koer test and got codes 998 and 122. Need help in the direction I should go. When I tested my tps sensor I was getting a constant reading of 0.051 volts. Something turned on...
    • datboivinni
    • Thread
    • Aug 13, 2019
    • 1991 foxbody hatchback 2.3l code 122 code 998 koeo koer map tps voltage
    • Replies: 1
    • Forum: 2.3L (N/A & Turbo) Tech
  4. D

    Where is the Eec Relay?

    I have a 1991 Hatchback 2.3l. Been testing voltage on wires from engine bay to under the dash. I need to test the wires on the eec relay next but cant seem to find it. Some have showed it under the eec-iv, some have showed it directly above. I have skinny arms and have felt around everywhere. I...
    • datboivinni
    • Thread
    • Jul 31, 2019
    • 1991 foxbody hatchback 2.3l eec relay relay voltage
    • Replies: 7
    • Forum: 2.3L (N/A & Turbo) Tech
  5. Low Voltage At Idle

    I have a 1990 fox with a 3g conversion. For some reason I'm getting low voltage at idle. I can See my headlights dim. When I bring up the RPMS the lights brighten. I have a fresh battery and an upgraded 3G alternator with upgraded wiring. I do have dual electric fans on the car but can't imagine...
    • MafiaMustang
    • Thread
    • Nov 21, 2017
    • reverse turn signals voltage
    • Replies: 8
    • Forum: Fox 5.0 Mustang Tech
  6. Engine Stall After New Battery

    Whats up guys, I have an '86 GT I bought back in October. The battery it came with was almost 7 years old, so it needed to be replaced. The 86's call for a size 65 battery. And for whatever reason the lrevious one was bigger (I forget what size) Anyways, I put the new battery in, and the car ran...
    • Trent B
    • Thread
    • Sep 4, 2017
    • 1986 battery stall stalling voltage
    • Replies: 2
    • Forum: 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
  7. H

    84 Mustang With Odd Electrical Issue

    I have a 84 mustang with a stroker motor. Over the last week I noticed my radio would blackout when I either slowly rev or rapidly. It will come on within 15 seconds, but will blackout each time I accelerate. Don't matter if in gear or parked. My battery has 12.6v prior to starting and 16.5v at...
    • h20dawg
    • Thread
    • Sep 9, 2016
    • 16.5v alternator power radio regulator voltage
    • Replies: 5
    • Forum: Fox 5.0 Mustang Tech
  8. Please Help! Battery Problems..?

    Hi guys new here my names Caydin I have a 2000 Ford Mustang 3.8 V6 and the problem started a few months ago when one day I got in my car went to start it and all of a sudden this weird grinding rough noise would happen only when I turn the key I moved the key to the off position then tried...
    • Caydink1998
    • Thread
    • Nov 10, 2015
    • battery car pats starting problems theft transponder voltage
    • Replies: 3
    • Forum: The Welcome Wagon
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