Identifying Sensors?
Thread Starter
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Postmaster
Joined: Apr 2002
Posts: 3,613
Likes: 6
From: Coal country
Identifying Sensors?
In considering to transplant the entire wiring harness into my '66 F-100 as part of the 7.3 swap, there are several sensors I cannot identify. These are pictures of the devices in question; all are circled in red:
1. Firewall mounted MAP sensor? If so, what is it needed for on a diesel??
DSC03069-1-1.jpg picture by steelframe - Photobucket
2. Vacuum sensor on the passenger fender well:
DSC03071-1-1.jpg picture by steelframe - Photobucket
3. Relay lying in the engine valley, up front between the go pedal linkage and the fuel filter:
DSC03074-1-1.jpg picture by steelframe - Photobucket
Thanks in advance!
1. Firewall mounted MAP sensor? If so, what is it needed for on a diesel??
DSC03069-1-1.jpg picture by steelframe - Photobucket
2. Vacuum sensor on the passenger fender well:
DSC03071-1-1.jpg picture by steelframe - Photobucket
3. Relay lying in the engine valley, up front between the go pedal linkage and the fuel filter:
DSC03074-1-1.jpg picture by steelframe - Photobucket
Thanks in advance!
Post Fiend
Joined: Oct 2007
Posts: 10,501
Likes: 5
From: Faibanks Ak.
I want to say the vacumn sensor has something to do with the cruise.The sensor on the motor is sounds like the temp sensor the that controls the fast idle and the cold start advance. I will have to think about a map sensor.
Thread Starter
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Postmaster
Joined: Apr 2002
Posts: 3,613
Likes: 6
From: Coal country
Starmilt, thanks for the quick response! This truck is a very basic one. No cruise or tilt, manual windows only, no trim or headliner, not even an underhood light.
The one in the valley is a relay, it is just laying there.
The one in the valley is a relay, it is just laying there.
Post Fiend
Joined: Oct 2007
Posts: 10,501
Likes: 5
From: Faibanks Ak.
I'm not sure what relay that would be then, I don,t think mine has it. The vacumn deal I do have and when it breaks the cruise will not work, it probably turns the brake light on.
I will have to look at one of mine, but I don't remember seeing anything like a map sensor eiter. lol
My 60 series detroits both have map sensors that look identical to a gm sensor. lol
I will have to look at one of mine, but I don't remember seeing anything like a map sensor eiter. lol
My 60 series detroits both have map sensors that look identical to a gm sensor. lol
