USMC1775

Nope, got those connected. Its two wires, both black, and it has a weatherproof connector.

GT Tommy

Two wires black in color. I'll check the connector views and get back to you, Tommy.

GT Tommy

Are you sure that none of the wires has a color stripe on it? I found some two wire connectors that you may want to check on. The colors are not a good match but I think worth checking on anyway. You may want to check to see if these items are working:

Windshield washer pump motor:
1-BK/white stripe
2-BK

Positive crankcase ventilation heater:
1-RD/BK stripe
2-BK

Parking brake switch:
1-LB/BK stripe
2-BK

Lumbar adjust switch left front seat:
1-BK
2-BK/White stripe

Door ajar switch, left front:
1-BK
2-YE/BK stripe

Still looking. When I find something, I'll post it. Recheck the two wires, look for stripes on them. Good luck, Tommy.

GT Tommy

Here's what I did. I checked my son's 2003 GT Mustang. The picture below is of his engine compartment. I checked the driver side of the engine compartment and the only wire connector with black wires are used for grounding purposes. This wire connector is located just aft of the battery, clipped to the fender well. It is not easily seen. It is located below all of the wires that are positioned at the top of the fender well. You really have to look good to see it. Not sure if yours was hooked up the same way or if this is the same wire as yours. I could not follow the wires in the direction of the fire wall. However, I could follow the wires as they ran forward of the engine compartment from the wire connector. Identified by arrows, one of the black wires runs directly to the negative battery cable, the other runs to the round ground clip and secured to the car's body. What you can do is check both teminals of the wire connector for voltage with the key off, then with the key on. If you don't pick up any voltage, check both terminals for ground. If you pick up ground on both terminals, you should find the matching wire connector and ground the wires as shown in this picture. These wires must support one or two circuits some where. Hope this helps. Good luck, Tommy.

highpsi04

I tried to copy and paste from another thread I found but couldn't get the pic to show up. Here is the thread it has a wiring harness in it. https://mustangforums.com/forum/4-6-...6k-beware.html

gunpig0313

Check the fuse box thats where it went on mine.

GT Tommy

Thanks to highpsi04, I was able to get the engine wiring description posted here. So, I may be correct. It could be the ground wires at 19 or 21. Good luck, Tommy.




Item
Part Number
Description

1
—
To crankshaft position sensor

2
—
To A/C compressor

3
—
To radio ignition interference capacitor (2)

4
—
To fuel injectors (8)

5
—
To ignition coils (8)

6
—
To engine coolant temperature sensor

7
—
To throttle position sensor

8
—
To idle air control valve

9
—
To EGR vacuum regulator

10
—
To differential pressure feedback EGR

11
—
To fuel pressure regulator

12
—
Fuel injection ground

13
—
To generator

14
—
To camshaft position sensor

15
—
To body

16
—
To heated oxygen sensor (2)

17
—
Engine bulkhead connector

18
—
To low coolant sensor

19
—
To body

20
—
To power distribution box

21
—
To body

highpsi04

Dude how did you get the pic to post I tried to copy and paste it but failed.

GT Tommy

Email me at: Chevy66@hawaii.rr.com. I don't want to get off the topic here with picture transfer instructions. I'll be glad to tell you or anyone else, how I did it. Thank you, Tommy.

00perfredgt

Mine has similar plug underneath power distribution box.Good luck.