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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15201
Experience:  GM Grand Master Technician 2007. 14 years experience.
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My 4wld will not switch from 2wld I have changed the 4

Customer Question

my 4wld will not switch from 2wld I have changed the 4 button switch checked the fuses changed the 4 wld module cleaned all grounds still no changed any ideas ?
JA: Most vehicles have two fuse panels. Have you located both?
Customer: yes
JA: What is the model/year of your Chevy?
Customer: 2004 silverado
JA: Are you fixing your Silverado yourself? What have you tried so far?
Customer: besides the things i listed i checked the transfercase wirers and only have power on the orange wire
JA: Anything else you want the mechanic to know before I connect you?
Customer: nope
Submitted: 8 months ago.
Category: Chevy
Expert:  BOBBYSS replied 8 months ago.

Hello, my name is***** you tell me if the buttons illuminate on the switch? Did you have the module programmed?

Customer: replied 8 months ago.
when you first turn the key on all light up when truck is running only 2wld the new module was plug and go also took one from a friends truck and tried it no go but mine worked in his
Expert:  BOBBYSS replied 8 months ago.

Does it do anything when you try putting it in 4 wd?

Customer: replied 8 months ago.
i am not going to call
Expert:  BOBBYSS replied 8 months ago.

The system automatically asks for a call. We can definitely continue here. Did you get my previous question?

Customer: replied 8 months ago.
i got the message and no it just stays in 2 wld the lights do not even flicker it is like the switch is bad but i switched it with friends and it works in his truck
Expert:  BOBBYSS replied 8 months ago.

Do you have a voltage meter to run some tests?

Customer: replied 8 months ago.
Expert:  BOBBYSS replied 8 months ago.

One last question. Is this part time*****

Customer: replied 8 months ago.
it is a 4 button switch auto 4wld on top then 2 then 4hi then 4low
Customer: replied 8 months ago.
are we done?
Customer: replied 8 months ago.
now the red neutral light has been on for 2 days