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1994 Ford Escort ignition, No spark

Tiny
T.W.
  • MEMBER
  • 1994 FORD ESCORT
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 180,000 MILES
I already submitted a question concerning my 94 escort gt ignition problem. I am having troubles locating the self test input plug (ST1) that is supposed to be by the odb1 test plug. I searched for single plug that appears to be plugged into a small relay (stow plug) but there is no such plug anywhere around the area. Is there a color code on this lead? Could this lead be plugged into a ground block by the distributor? Where could it be? Again this is a 94 Ford Escort GT 1.8L DOHC, Auto trans.
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Saturday, January 30th, 2010 AT 12:57 PM

3 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Hi located on firewall driver side see pics


https://www.2carpros.com/forum/automotive_pictures/198357_Graphic_339.jpg

item 9


https://www.2carpros.com/forum/automotive_pictures/198357_Grafic_3_92.jpg


Hope this helps
Thanks for donate
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Saturday, January 30th, 2010 AT 1:23 PM
Tiny
T.W.
  • MEMBER
  • 3 POSTS
Thank you for the picture, That does help. I know where the ST1 loc. Is on the dioagnostic plug but the lead I'm supposed to add a jumper to is no where to be found! Could it be in an odd location for this car? I'm trying to follow the MIL method for diagnoses (Chilton manual)
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Saturday, January 30th, 2010 AT 2:06 PM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Don't know what chiltons instructing but that is Data link. All need to do is jumper from ground to PCM STI MIl will flash codes
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Sunday, January 31st, 2010 AT 1:57 PM

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