Check Engine Light- constant on
Logistics Pro
Joined: Jan 2014
Posts: 3,595
Likes: 17
OEM or Motorcraft will be your best bet for replacement parts, especially sensors or electrical. Dorman components for hard parts like suspension, exhaust, etc can be good quality replacements as well. Just a side note for future reference.
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Mountain Pass
Joined: Jun 2007
Posts: 103
Likes: 5
From: Anaheim
Ok, I'm an idiot. I made an assumption that my Ex had a Glow Plug Control Module without checking under the hood! Seems as though I have a "weird" Ex and I have a glow plug relay, not a Glow Plug Control Module! (Sorry Stewart_H) 
But the relay looks pretty good (no rust or obvious corrosion ) so can they be tested? What's really interesting is I was reading about P1396 on another thread and one of the guys posting said this: "Put Ford Factory glow plugs in when replacing. If you don't, your SES light will come on. Fords plugs work differently, and PCM will detect any differences." So I texted my son to ask if he used Ford plugs. He replaced the glow plugs when he had my Ex in Wyoming in 2013. He hasn't answered yet.
But the relay looks pretty good (no rust or obvious corrosion ) so can they be tested? What's really interesting is I was reading about P1396 on another thread and one of the guys posting said this: "Put Ford Factory glow plugs in when replacing. If you don't, your SES light will come on. Fords plugs work differently, and PCM will detect any differences." So I texted my son to ask if he used Ford plugs. He replaced the glow plugs when he had my Ex in Wyoming in 2013. He hasn't answered yet.
Super Moderator
Joined: May 2004
Posts: 29,380
Likes: 118
From: Central Coast of CA
If you don't have a GPCM hiding under there (your pic is too much of a close-up to tell), then you should see two relays. One for the AIH and one for the glow plugs.
...and one of the guys posting said this: "Put Ford Factory glow plugs in when replacing. If you don't, your SES light will come on. Fords plugs work differently, and PCM will detect any differences."
Stewart
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Super Moderator
Joined: May 2004
Posts: 29,380
Likes: 118
From: Central Coast of CA
Lemme tag Joe (he did this mod for his wife's Ex) and see if he has anything to add or correct. @Gaugepro
Stewart
Last edited by Stewart_H; Jul 31, 2016 at 07:07 PM.
Super Moderator
Joined: May 2004
Posts: 29,380
Likes: 118
From: Central Coast of CA
Forgive us. The percentage of females here are very low, so unless you have your name listed in your sig, or unless you sign each post like I do, we probably would have never known!
Stewart