2004 chevy silverado 1500 4 wheel drive wont work..

The exact trim level, engine, and powertrain combination of your 2004 Chevy Silverado 1500 Crew Cab Short Box-also known as the 1500 Crew Cab with a 5.8-foot bed-will all play a role in the driveshaft selection. These criteria are usually used to choose the driveshaft for your car, so knowing the right information is crucial if you're wanting to replace or upgrade your driveshaft.
When selecting a driveshaft for your 2004 Chevy Silverado 1500, keep the following factors in mind:
1. **Setup for Drivetrain:** It's possible that your car has four-wheel drive (4WD) or rear-wheel drive (RWD). The driveshaft's design and length will depend on the kind of drivetrain you have.
2.Engine Size: Driveshaft lengths and specs may vary depending on the engine option selected. The torque and power applied to the driveshaft can be influenced by the engine.
3.Transmission Type: The driveshaft requirements may also be affected by the type of transmission-manual or automated.
4.Suspension and Lift Kits: The length and layout of the driveshaft may be impacted if your truck has any suspension or lift kit changes.
5.Options: You have the choice of an OEM (Original Equipment Manufacturer) or an aftermarket driveshaft. While aftermarket alternatives could have different materials or performance characteristics, OEM components are made to match the requirements set forth by the car manufacturer.
It is advised to speak with a reliable auto parts source or a nearby mechanic who can determine the precise specs required for your vehicle to ensure you acquire the right driveshaft for your particular 2004 Chevy Silverado 1500 Crew Cab Short Box. They may offer advice on the proper driveshaft and assist you in locating the part that is appropriate for the setup of your truck.

you need to replace the fan resistor located by fan motor if not there then trace red and black power wires to locate resistor behind or under dash it wont be mounted far from fan motor

Sounds like a short. Check the wires and door switches.

The 4wd button on the inside might be no good

If you have a lot of miles on it your 4wd trans.

The electrical wire came loose from the back of my 2H, had to take the panel off and re-soder it. Works fine now.

yes replace actuator

the most likely cause is the front axle shift motor if bad your your front axle shaft will not lock in.if there is no shifting of transfer case there is also a electric motor that engages that in .

It's the transfer case vacuum switch. Easy fix.

The stepping motors in the gauges go bad. do a search on ebay for CHEVY SILVERADO INSTRUMENT CLUSTER for cheaper repair options. The dealer charges around $300.00. It will continue to worsen.