Wire Harness?

Tiny
CSVOELKEL
  • MEMBER
  • 1994 CHEVROLET SILVERADO
  • 4.3L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 114,000 MILES
I have the truck listed above that has no power locks/windows. I recently was told GM wire some trucks with a harness even if it wasn't installed with that option. I removed kick panel and door panel and there are wires in wire loom (looks factory/aged) but they don't go to anything. Colors are as follows. White or possible light brown can't really tell because of age of wire green, blue, dark brown and black. Can someone tell me what these wires possible are and which ones are what. I plan to do power windows/locks? Any help will be greatly apricated.
Wednesday, March 15th, 2023 AT 3:03 PM

5 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 110,176 POSTS
Hi,

If you look below, pic 1 is the wiring schematic for the power door locks. Picture 2 is the schematic for the power window circuit.

Both of these are for a regular cab (2 door). If you have a quad cab, the schematics are different.

Take a look through the pics and let me know if they help you identify what you are seeing.

Take care,

Joe

See pics below.
Images (Click to make bigger)
Thumb
Thumb
Was this
answer
helpful?
Yes
No
Wednesday, March 15th, 2023 AT 8:44 PM
Tiny
CSVOELKEL
  • MEMBER
  • 3 POSTS
I have an extended cab (still 2 door) not a quad cab. Will this be the same?
Was this
answer
helpful?
Yes
No
Thursday, March 16th, 2023 AT 2:40 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 110,176 POSTS
Hi,

They should be correct because the rear doesn't have windows that can be opened, correct?

However, I attached the schematic for the 4 door as well. If you are unable to find wires related to the first ones I sent, check these as well.

Let me know what you find.

Take care,

Joe

See pics below.
Images (Click to make bigger)
Thumb
Thumb
Was this
answer
helpful?
Yes
No
Thursday, March 16th, 2023 AT 7:25 PM
Tiny
CSVOELKEL
  • MEMBER
  • 3 POSTS
Okay, sorry for all the questions, but I found an uncut/unmolested power lock/power window OEM wire harness. I also found the door switches with all wires and connectors. If I am correct "theoretically" the OEM wire harness should be plugged and play since all parts/connections are uncut correct. I sound be able to plug in window regulator/door lock actuator and then plug in other two ends to OEM wire harness in boot run ground and power on the harness and everything should work, correct?
Was this
answer
helpful?
Yes
No
Friday, March 17th, 2023 AT 2:14 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 110,176 POSTS
Hi,

No need to be sorry for asking questions. That's why I'm here. LOL

In theory, yes it would work. Just make sure the power supplies are present as shown in the schematics.

If you have questions, let me know. I'll try my best to help from here.

Take care,

Joe
Was this
answer
helpful?
Yes
No
Friday, March 17th, 2023 AT 7:53 PM

Please login or register to post a reply.

Related Door Panel Replace/Remove Content

Door Panel Removal
GUIDE
Door Panel Removal
A door panel is used to cover the inside part of the door and hide the inner working of the door accessory's such as the window and door latch mechanisms. This padded...
VIEW MORE