What's This Connection?
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Junior User
Joined: Dec 2013
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What's This Connection?
Hi,
While checking out a 91 7.3, I noticed that the pictured connection is separated. I couldn't find any details on it online or in a maintenance manual. The post is threaded and female side goes back to a wiring harness towards the rear spine of the engine. I asked the owner but he had no idea.
I would just cut the wire, put a butt connection on it, and tape it, but I just want to know what I would be re-connecting. I definitely didn't slide off - it looks like it wasn't re-connected during prior maintenance. He mentioned new injectors were put in about 6 months ago.
Thanks in advance!
https://www.dropbox.com/s/2z3coyvaza...2012.25.30.jpg
PS - My apologies for not being able to insert the image in the text...
While checking out a 91 7.3, I noticed that the pictured connection is separated. I couldn't find any details on it online or in a maintenance manual. The post is threaded and female side goes back to a wiring harness towards the rear spine of the engine. I asked the owner but he had no idea.
I would just cut the wire, put a butt connection on it, and tape it, but I just want to know what I would be re-connecting. I definitely didn't slide off - it looks like it wasn't re-connected during prior maintenance. He mentioned new injectors were put in about 6 months ago.
Thanks in advance!
https://www.dropbox.com/s/2z3coyvaza...2012.25.30.jpg
PS - My apologies for not being able to insert the image in the text...
Last edited by mu2bdriver; Dec 30, 2013 at 11:41 AM. Reason: Link
Elder User
Joined: Mar 2013
Posts: 691
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You answered youre own question bud, see that little nub down there directly below your hand in the picture? Thats a sensor. I think its for the cold start solenoid but I may be wrong. A guru should be along shortly
Logistics Pro
Joined: Sep 2007
Posts: 3,737
Likes: 179
From: Western Mass
Its not the cold start solenoid, thats on the passenger side of the engine and has 2 spade terminals.
I think thats the high temp warning switch, but it might be the coolant sensor, they're both somewhere at the front of the engine. Theres some nicely labeled pictures in others posts here that say what everything is.
x2 on reconnecting it.
I think thats the high temp warning switch, but it might be the coolant sensor, they're both somewhere at the front of the engine. Theres some nicely labeled pictures in others posts here that say what everything is.
x2 on reconnecting it.
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Junior User
Joined: Dec 2013
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https://www.dropbox.com/s/w6659tzfj2...2013.01.10.jpg
Again, sorry for linking the picture, and not embedding it directly.
Last edited by mu2bdriver; Dec 30, 2013 at 02:12 PM. Reason: Link
Logistics Pro
Joined: Nov 2013
Posts: 3,928
Likes: 1,198
From: Mojave, Ca
Ahhh. Is that why after driving/idling the truck for a while, the temperature was indicating:
https://www.dropbox.com/s/w6659tzfj2...2013.01.10.jpg
Again, sorry for linking the picture, and not embedding it directly.
https://www.dropbox.com/s/w6659tzfj2...2013.01.10.jpg
Again, sorry for linking the picture, and not embedding it directly.
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