Thanks for all the help. Now no more error message and my 4x4 option works perfectly. I just had open inguinal hernia and I am in no shape to lay on my back or side to mess around with this. Compatible with various Chevrolet models, this direct-fit actuating unit just needs to be screwed in for fast and easy installation. If no 4x4 after the actuator, repl the vacuum switch On the fullsize, the front actuator is electric, not vacuum.
Here's a pic showing the T-case switch location. My question now, is there a way to make what I have work for me? The fork slides usually wear out not allowing it to shift to 4L Hope you feel better soon, my son recovered nicely so hang in there. Original proof of purchase is required. My indicator light is not working, the bulbs are good and so are the fuses. I put the truck in low range out in a field and let it creep in 1st gear, and I hopped out and the shaft is definitely not turning. Both front wheels are now engaged and pulling the vehicle. I was able to find that wire and spliced into it without any issues, and it provided the power required for the new replacement actuator.
The old style thermal has two wires coming out of it. The only snag I ran into was that the 2 terminal connector had the wrong terminal and would not fit into my factory wiring harness. Fired up the truck and it engaged the 4 wheel drive instantly. Here is an old thread where I supplied a link to a great tutorial by a previous member: Check Post 6. Also check how many wires are on the T-case switch and their colors likely be a brn, Lt blu and or Dk Blu and let me know for sure. If the wires have power replace the actuator.
I then drove the truck and found the 4 wheel drive was working, verified from tight turn wheel chirp. If you've run the older thermo style one for any length of time you know they're not the fastest thing, especially when the axle and actuator is packed with snow or it's very cold out. Turns out the newer actuator was crushed in half. I can get another plug if need be but it looked like I could take the pins out of the current one and replace. Their was no power getting up to the actuator.
I declined, came home and ordered this and changed it in less than 30 mins. I then put the truck back into 2hi. He made the old style actuator work with what i assumed was just a switch in the cab for the actuator and the existing button for the T-case. Does anyone have a diagram of what each pin does? My dad actually told me it was not working. My '96 Suburban 1500 4x4 won't shift into 4 wheel drive.
The part is fully operational and my 4x4 is back in perfect working order. On the diff side the plug has 5 wires coming out of it but doesn't have long enough wires to splice into as they were cut by that previous garage I mentioned and the other wires look kinda screwed up as well. With the ignition on and a 4 wheel mode selected there should be power to the light blue wire and brown wire will have power if you have the update. Is that how they work? Jack up the right side and locate the Actuator on the axle housing and remove the Actuator, do not disconect the wire connector, put the sift lever into four wheel drive and check the Actuator if it does nothing it needs to be replaced, This did not help in my case but check out the front Actuator front axle right side. You will be locked in.
There is a trust washer that will fall down if the tube is not removed. . If the wires have power replace the actuator. I don't know if your son had laparoscopic surgery or not. Problem is that i have no idea where to locate it.
Yes Does it need constant power to stay extended? But I will try my best. My Four wheel drive is not working. I have the actual floor shifter I don't know if this makes a difference. Threads right into the front axle pointing towards the front passenger tire. Our manufacturer changed the mixture of gas in this new actuator so it is more sensitive at lower temperatures.
We've earned our reputation for excellence from over three decades of experience in providing automotive replacement parts, fasteners and service line products primarily for the automotive aftermarket. I have some pics of the mess if that would help but its pretty straight forward, just a mess. They're a little more effort to work with but not overly complicated. Testing and repairing at the T-case is no problem but at the diff appears will take a little more work. On the front axle on the passenger side is where the front axle actuator is located, just look for wires going to something screwed into the housing, it could be a metal or plastic actuator depending on whether it was updated.
For more information, go to www. If it is good, tight, and properly adjusted, check to make sure the actuator on the front axle is working. Some would take several minutes to warm up enough to engage the axle. Placing the vehicles transfer case in 4-wheel drive and pulling the Posi-Lok cable handle slides the shift fork and collar to connect the freewheeling right axle to the driven left axle. When I hit the dash button for 4Hi it just blinks at me. Thermal Linear Actuator The failure prone thermal linear actuator is replaced with the cable operated 4x4 Posi-Lok system.