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david, Auto Service Technician
Category: Ford
Satisfied Customers: 1500
Experience:  Certified Master Technician,Certified in diesel & gasoline engines
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glow plugs in 1990 ford e250 diesel 7.3 wont come on

Resolved Question:

glow plugs in 1990 ford e250 diesel 7.3 won't come on?
Submitted: 7 years ago.
Category: Ford
Expert:  david replied 7 years ago.
Hi thank you for your question hope this helps.<br /><br />In most cases the problem can be teasing to the glow plugs relay being bad.<br />Of if all the glow plugs went out.<br /><br />Hear is the wire diagram to help trace the problem<br /><br /><img src="/uploads/working4ev/2009-07-27_023427_1.JPG" alt="graphic" /><br /><br /><br /><img src="/uploads/working4ev/2009-07-27_023546_2.JPG" alt="graphic" /><br /><br />Hope this helps<br />Good luck
Customer: replied 7 years ago.
we replaced the glow plugs and the glow plug controller. What and where is the glow plug relay? Thank you
Customer: replied 7 years ago.

This is my first time using this service. I do not know how to access the wiring diagram from the information you sent. Could you explain that for me? Thank-you

Expert:  david replied 7 years ago.
Sorry about that the graphic got lost in the text i guess

The glow plug relay on the 1986 to 1994 is integrated in to the starter relay.

Also check the fusible link D and E coming of the battery to the glow plug control


On the 1995 to 1996 the glow plug relay.


Hope this time it works
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