5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

Clear codes on '94 sn95

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Old Sep 27, 2015 | 07:46 AM
  #1  
BOB ROME's Avatar
BOB ROME
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Joined: May 2006
Posts: 5
Default Clear codes on '94 sn95

overheated (i think bad therm) removed it and now only gets up to 110 degrees in 10 mile drive!
BUT can't shut off check eng lite and cooling fan runs all the time.
Been to 3 different places but code scanner won't work in OBD2 plug and we tried OBD1 plug under hood that has a RED cover that says "ANTI-LOCK TEST PLUG"
Tried disconnect battery overnight to no use!
HELP
Thanks
Bob
bobrome1@hotmail.com
Old Sep 27, 2015 | 10:13 PM
  #2  
64bit's Avatar
64bit
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Joined: Nov 2013
Posts: 254
From: RI
Default

Originally Posted by BOB ROME
overheated (i think bad therm) removed it and now only gets up to 110 degrees in 10 mile drive!
BUT can't shut off check eng lite and cooling fan runs all the time.
Been to 3 different places but code scanner won't work in OBD2 plug and we tried OBD1 plug under hood that has a RED cover that says "ANTI-LOCK TEST PLUG"

well... you should probably try using the right diagnostic port.

its behind the passenger front shock tower, labeled EEC TEST
Old Sep 28, 2015 | 11:10 AM
  #3  
BOB ROME's Avatar
BOB ROME
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Joined: May 2006
Posts: 5
Default

Thanks so much!!!
I'm so dumb when it comes to computer cars (I'm a old school guy (64 yrs))
I want a carb, points/condensor, big cam and NO COMPUTER!
I will try to clear it with jumper wire as shown in Chiltons?
Thanks
Old Jul 26, 2023 | 01:54 PM
  #4  
Nickdaqwik's Avatar
Nickdaqwik
 
Joined: Nov 2021
Posts: 5
From: Texas
Default C'mon man leave the red covers alone.

Like was previously mentioned, the OBD1 port is under the hood between the firewall and the strut tower on the passenger side. There is NO red cover on it saying anything about anti theft. It's a plain gray 7 pin connector. You're going to need 2 people or the extension cord so you can read the codes while the other person fiddles with the keys. It's a simple gray connector with NO RED COOVER ON IT.
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