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My Silverado has power too the act fuse, but nothing to the 4x4 fuse it won't shift to any position, what would cause this

I have replaced the shift motor.

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

Hi there,
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Posted on Jan 02, 2017

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dennymulford

Dennis Mulford

  • 1055 Answers

SOURCE: 1995 Silverado 4x4 not engaging

check the accuator 59.00 at parts store easy install

Posted on Feb 18, 2009

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emissionwiz

Marvin

  • 85216 Answers

SOURCE: No 4x4

chances are the transfer case motor is sticking, tap the motor with a ballpen hammer and try it again.

Posted on Apr 23, 2009

Bruce Hathcock

  • 3600 Answers

SOURCE: 2003 f350 4x4 dont work fuse ok relays ok

Replace the rubber dongle inside the axle housing, front axle is not ******* because the rubber is blown.

Posted on Nov 01, 2009

Anonymous

  • 2 Answers

SOURCE: I have 97 chevy silverado 1500 z71. Front diff not lockin in

yes replace actuator

Posted on Nov 05, 2009

cansmo

Reynaldo Andico

  • 2431 Answers

SOURCE: 1997 Chevrolet Silverado Z71 p0758 Won't shift

P0758 code is shift solenoid B electrical /2-3 shift solenoid circuit electrical, It better to inspect the wire going into the transmission they have a tendency to leak transmission fluid into the circuit make inspection for proper connection if you decide to replace the solenoid you still need to inspect the circuit for proper mating. If this solenoid fails and you wait to long to replace it you can loose the ECM due to the high power draw it takes from the ECM.

Posted on May 06, 2011

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1 Answer

2003 Silverado 4WD. Service 4WD dash light comes on after engaging 4WD and acts up by engaging itself randomly for several days, then goes back to normal.


Check connection at the 4X4 control module , check power and grounds . Do you know how to do basic electrical testing ? Does your truck have manual or automatic trans mission ? Which transfer case does yours have ?

The NVG 263 transfer case features a three button shift control switch located on the instrument panel. When the ignition is in the RUN position, the transfer case shift control module (TCCM) starts monitoring the transfer case shift control switch to determine if the driver desires a new mode/gear position. At a single press of the transfer case shift control switch, the lamp of the new desired position begins flashing to inform the driver that the TCCM has received the request for a new mode/gear position. The lamp continues to flash until all shifting criteria has been met and the new mode/gear position has been engaged. Once the new mode/gear position is fully active, the switch indicator for the new position remains ON constantly. In the event that the TCCM can not or will not complete the shift, the indicator returns to the previously selected position; this is a Transfer Case Shift Control Switch Indicator Flashes, then Returns to Previous Mode condition.

The NVG 263 transfer case provides the driver with 4 manual mode/gear positions:
• 2HI - 2 Wheel Drive high range
• 4HI - 4 Wheel Drive high range
• 4LO - 4 Wheel Drive low range
• Neutral
Have it check for DTC'S - diagnostic trouble codes ?

DTC B0790
DTC B2725
DTC C0306
DTC C0327
DTC C0359
DTC C0379
DTC C0550

Your best bet would be take it to a qualified repair SHOP

Dec 28, 2016 | Cars & Trucks

1 Answer

04 silverado 4x4 won,t engage


when the actuator goes, usually the fuse goes as well, check your fuses.

Dec 17, 2013 | Cars & Trucks

1 Answer

When my 02 silverado 2500hd is in 4x4 the tires are locked and the truck won't move until I shift back to 2hi. Differential or Encoder Motor?


You can take this with a grain of salt but I am a junior in high school taking auto mechanics and my teacher use to work for a chevrolet dealership where they had a geo tracker come in because it would drive fine until placed in 4 wheel drive. Once placed in 4 wheel it would not move because front and rear differentials were geared differently from factory causing the wheels to lock up. If it has never been able to go into 4 wheel since you have owned it I hope this will help...

Feb 25, 2013 | 2002 Chevrolet Silverado 2500HD

1 Answer

4wheel drive won't work


First check the fuse located in fuse box under hood. The most common problem is in the push-button switch located in the dash. I am a 67 year old female and fixed my boyfriend's 4WD in under 1/2 hour last week-end. You can order a new switch on eBay for under $40.00. Adjust steering wheel to lowest position and pull shift lever all the way down. Remove dash bezel from around gauges and switch (it just pops loose). This takes a little time getting it off from around steering column, etc. Just be gentle and patient. Snap out old switch, unsnap wiring, replace with new switch, snap in, replace dash bezel and you're done! There is a video on uTube showing steps. His 4X4 works perfect now and I get to tease him Double benefit. This was on a 1999 Chevy Silverado 1500. Let me know how it goes. Good Luck! -Marilyn

Sep 27, 2012 | 1999 Chevrolet Silverado 1500

1 Answer

1991 K1500 won't shift into 4WD. Shifter moves and linkages are connected all the way to the transfer case, but no 4x4 light comes on and doesn't shift into 4x4. Where do I start looking for the...


on the front axle you should be able to find the shift actuator. It will be threaded into the the housing on the passenger side of the pumpkin. There will be a two pin connector. Make sure there is power to the connector with the vehicle running and in four wheel drive. Also make sure the ground is good on the connector.

If you have power and ground replace the actuator. These are very common to fail on early GM's. Your local NAPA should have them instock. They are called "four wheel drive actuators".

If there is no power check the 4x4 fuse. If there is no ground trace the ground wire to find the open circuit.

If you have any questions i'll be happy to answer them.

I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

Oct 13, 2011 | 1991 Chevrolet K1500

1 Answer

99 Chevy Silverado 4x4 not working No light on 4x4 Selector Panel


Your brake an CV joint issue can't an won't cause your 4X4 problem . The 4x4 system has a control module which supply's B+ voltage to the switch . Checking for codes in the 4X4 control module should have been the first step . Your best bet , take it to a qualified repair shop . You don't have the knowledge or test equipment to fix this.
SERVICE indicator (4WD/AWD) Lamp
The SERVICE indicator (4WD/AWD) lamp is an integral part of the cluster and cannot be serviced separately. This lamp is used to inform the driver of the vehicle of malfunctions within the automatic transfer case (ATC) system. The SERVICE indicator (4WD/AWD) lamp is controlled by the transfer case shift control module via CKT 1567.

Transfer Case Shift Control Module
The transfer case shift control module uses the VIN information for calculations that are required for the different calibrations used based on axle ratio, transmission, tire size, and engine. The system does not know which calibration to use without this information.
The direct battery supply line (CKT 1640) provides the power to the module and motor circuitry.
Transfer Case Encoder Motor
The transfer case encoder motor consists of a permanent magnet (PM) DC motor and gear reduction assembly. It is located on the left hand side (drivers side) of the transfer case. When activated it turns the sector shaft of the transfer case (clockwise or counter clockwise) to shift the transfer case. The encoder motor is controlled with a pulse width modulated (PWM) circuit within the transfer case shift control module. This circuit consists of a driver on both the Motor A and Motor B circuits. The encoder motor is bi-directional to allow the motor to shift the transfer case from 2HI or 4HI to NEUTRAL and 4LO positions.
Do you know what DTC'S are ?
DTC B2725 ATC Mode Switch Circuit Malfunction
DTC C0300 Rear Speed Sensor Malfunction
DTC C0305 Front Speed Sensor Malfunction
DTC C0308 Motor A/B Circuit Low
DTC C0309 Motor A/B Circuit High
DTC C0310 Motor A/B Circuit Open
DTC C0315 Motor Ground Circuit Open
DTC C0323 T-Case Lock Circuit Low
DTC C0324 T-Case Lock Circuit High
DTC C0327 Encoder Circuit Malfunction
DTC C0367 Front Axle Control Circuit High
DTC C0374 General System Malfunction
DTC C0376 Front/Rear Shaft Speed Mismatch
DTC C0387 Unable to Perform Shift
DTC C0550 ECU Malfunction
DTC C0611 VIN Information Error

Aug 27, 2017 | 1999 Chevrolet Silverado 1500

1 Answer

No 4x4


chances are the transfer case motor is sticking, tap the motor with a ballpen hammer and try it again.

Apr 23, 2009 | 1999 Chevrolet Silverado 1500

1 Answer

1995 Silverado 4x4 not engaging


check the accuator 59.00 at parts store easy install

Feb 18, 2009 | 1995 Chevrolet Silverado 2500

1 Answer

4x4 won;t unlock


start the vehicle, shift transmission to nuetral. then move the 4x4 shifter to the 2wd position. then shift the transmission into reverse and back up a few feet straight, then drive forwards. it should be out of 4x4.

Jan 12, 2009 | 2004 Jeep Grand Cherokee

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