Help with lost plug

Reply Subscribe

Thread Tools

Search this Thread

Feb 21, 2015 | 02:35 AM

NJFord88

Thread Starter

New User

Joined: Feb 2015

Posts: 21

Likes: 0

Help with lost plug

Hey All,

I recently purchased an 88 Ford F250 with the 7.5l. I was in the process of doing a tune up and came across this plug that is not plugged into anything. It is located on the left hand side just above the #1 Cylinder. Any thoughts on where it goes? I couldn't find anything.

Feb 22, 2015 | 12:19 AM

TexasGuy001

Hotshot

Joined: Sep 2001

Posts: 11,958

Likes: 228

That looks like an EGR position sensor connector.

Feb 22, 2015 | 06:52 AM

EPNCSU2006

Lead Driver

Joined: Nov 2002

Posts: 9,557

Likes: 44

From: Concord, NC

Not enough wires for EGR position. Canister purge valve maybe?

Feb 22, 2015 | 12:37 PM

stephandrusty

Junior User

Joined: Jul 2007

Posts: 55

Likes: 1

From: norfolk, va.

May be coolant water temp. sensor. Look around your top radiator hose.

Mar 8, 2015 | 09:23 AM

NJFord88

Thread Starter

New User

Joined: Feb 2015

Posts: 21

Likes: 0

Hey Guys,

I finally got around to taking a few more pics of the plug. It looks like the harness it belongs to runs down the passenger side of the block to the 02 sensor.

Mar 8, 2015 | 09:25 AM

NJFord88

Thread Starter

New User

Joined: Feb 2015

Posts: 21

Likes: 0

I also came acrossed another plug. This one looks to be part of the wiring harness associated with the SPOUT. Any thoughts?

Mar 8, 2015 | 10:06 AM

timbersteel

Logistics Pro

Joined: Mar 2005

Posts: 4,698

Likes: 47

From: Mexico, Missouri

That's the AC compressor plug.

This Hennessey Takes the Expedition Tremor's Off-Roading Capability to the Next Level

Verdad Gallardo

Top 10 Fords at 2026 Carlisle Ford Nationals

Joe Kucinski

3 Best / 3 Worst Parts of Modern Ford Ownership

Brett Foote

10 Amazing Upgrades That Solve Common Ford Truck Owner Headaches

Pouria Savadkouei

Every 2026 Ford Engine Explained

Brett Foote

10 Ugly Ford Trucks That We Still Kinda Love

Joe Kucinski

10 Things Every Truck Owner NEEDS (2026 Edition)

Michael S. Palmer

Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath

Verdad Gallardo

Top 10 Most Expensive Ford Trucks Ever Sold on Bring a Trailer

Joe Kucinski

2027 Ford Super Duty Buyer's Guide (Every Model, Engine, & Package)

Brett Foote

Mar 13, 2015 | 12:05 PM

NJFord88

Thread Starter

New User

Joined: Feb 2015

Posts: 21

Likes: 0

Quote:

Originally Posted by timbersteel

That's the AC compressor plug.

Could this be for something else other than the A/C compressor? The truck doesnt have A/C.

Thanks,

Mar 13, 2015 | 12:41 PM

#10

sgip2000

Mountain Pass

Joined: Mar 2015

Posts: 200

Likes: 1

From: Hillsboro, OR

Quote:

Originally Posted by NJFord88

Could this be for something else other than the A/C compressor? The truck doesnt have A/C.

Thanks,

It looks like it had A/C at one time. It appears that the compressor was replaced with a "bypass pulley".

Mar 13, 2015 | 12:56 PM

#11

NJFord88

Thread Starter

New User

Joined: Feb 2015

Posts: 21

Likes: 0

Quote:

Originally Posted by sgip2000

This one looks like the trailer wiring harness plug.

If this one belongs to the trailer harness where should it plug into? I am going to follow the wiring harness back this weekend.

Thanks,

Mar 13, 2015 | 02:16 PM

#12

sgip2000

Mountain Pass

Joined: Mar 2015

Posts: 200

Likes: 1

From: Hillsboro, OR

Quote:

Originally Posted by NJFord88

If this one belongs to the trailer harness where should it plug into? I am going to follow the wiring harness back this weekend.

Thanks,

If you have a trailer tow harness, there are actually two connectors like that. The harness plugs into those and runs down along the frame to the rear. I can get a pic for your this evening.