Inspect your 4wd switch at the pins, there common to burnout there. The light will go out then. So i swapped out dials with a buddy and still nothing. I talked to the dealer and they told me that if i bought a transfer case control module from a salvage yard it would be a roll of the dice if it would work in my truck or not. I've only had to replace a couple of control modules but have replaced many Encoder motor sensors and assemblies, none of which are cheap, so you want to be sure you've found the problem before you replace a part.
You will likely need to take loose metal brake lines and that can be quite a task also. If the system is operating normally, then proceed to Displaying Codes. Leave key on for about 10 seconds. The change took me about 6 hours at home with more tools than most guys have. After that period of time has ended, the indicator reverts back to the previous mode selection. Maybe some of my experience in repairing my truck can help with yours. Check out the diagrams Below Please let us know what you find.
Hello, Let me start by saying I have almost zero mechanical aptitude. The clutch is used to spin up the front drive system from zero to vehicle speed in milliseconds. Had a 97 S-10 so i'm pretty familair with working on this engine and what not. I want it working so i'm going to do what i can. Will it also not go into 4wd low? Light blinking is suppose tell you that you need to take it in for sevice ,not for you to play with something you have no idea how it work's. That got me to today. Feb 26, 2011 Manual or electronic t case? You will likely need to take loose metal brake lines and that can be quite a task also.
Inspect your 4wd switch at the pins, there common to burnout there. Here is a sample of code discription. If all conditions are correct to allow the desired shift, the electronic control module will tell the electric shift motor to execute the shift. If you remove the trim panel under the steering column you will find the transfer case control module mounted just to the right of the opening. After removing the belt there are three bolts two in the front and one on the back that need to be removed. If there is signs of damage, you can take the switch apart and re-solder any connections that look like they have gone bad at the terminals.
There is a bunch of vac lines to remove when doing the change and it is real impotant to get them back on right. Notes: All black wires are ground -- all orange wires are power hot. So i swapped out dials with a buddy and still nothing. Can this be re-programed by the dealership or does the whole thing have to be replaced? If the light is on there is a code stored. Just bought this thing in Sept. Feb 04, 2015 What large square fuse? The transfer case shift control module is equipped with the ability to store diagnostic information, which is useful to a technician in the event of module, component or wiring failures. When each of the modes are selected they complete a circuit through their own specific resistor.
Important: If the transfer case shift control switch buttons all blink only once and then stop, no fault codes are stored in the transfer case shift control module. It sounds like there is a vacum line off in order to have heat all the time. Purple - Crank Voltage hot in start 18. That is located on the frame rail, left side of vehicle and sits on top of the pump. Did I get a bad transfer case motor or is there something else to look for? While your there, check the wiring hareness for corrosion as this is a big problem.
Understand this problem is common on Tahoes and Avalanches also. This information can be retrieved from the transfer case shift control module by way of flash codes, which are displayed on the three transfer case shift control switch buttons. Inspect your 4wd switch at the pins, there common to burnout there. A properly operating system will flash all indicators and then will return to the current gear. You need to check wiring an connectors at the transfer case shift control module an check power an grounds at the module! I need you to check to make sure that the wire didn't get damaged and is touching metal. Inspect your 4wd switch at the pins, there common to burnout there.
At my 93 Blazer it is behind the passenger side glove box. It ended up being the ignition switch. A properly operating system will flash all indicators and then will return to the current gear. Raise the vehicle on a suitable hoist. New Redneck Ryder Logo coming soon!! If my 4x4 button don't light up what may be the problem? This bulletin cancels and supersedes Bulletin Number 03-04-21-006. Oct 19, 2011 you need to replace the tccm and get it programmed.
It sounds like there is a vacum line off in order to have heat all the time. He said that they would probably just need to change the tranny fluid. I recommend a repair facility do this job but it can be done at home. The current travel through the resistor of the currently active mode. But i have crawled under the truck while someone else selects a 4wd button, I can hear and feel the transfer case changing into to 4wd mode. The light will go out then.