I have the push button 4 wheel drive shift on the fly. The lights were all blinking then it would go into 4 low and now it won't do anything at all. I really need my four wheel drive and am on a very limited budget. What can I do to trouble shoot it? If I unplug the battery, what do I need to do to reset the system? A friend purchased a new switch, but after installing it, still nothing happens. Do I need to do a reset now? How? Thanks in advance for your help.
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I have a 2003 GMC it has two buttons to use 4 wheel drive as most all do with push button controls...One is for standard highway driving with 4 wheel drive the other is for 4 wheel drive a low speeds for off road driving and conditions that need low speed less spin driving..not designed for highway use..and must be stopped to engage where 4 speed highway can be shifted on the go..hope this answers your question..good luck..
THE TRANSFER CASE MOTOR IS ONLY FOR 4WD LOW. That would have never been the problem as soon as you confirmed it shifted into 4wd Low. 2wd and 4 Hi work off of vacuum. You may have one or two issues. A vacuum leak up by the front axle that engages the 4wd HI or the sensors on the transfer case.
As I recall the 96 blazer had electronic shifting for 2wd to 4wd. There should be a small panel on the drivers dash buttons for 2wd, 4wd lo and 4wd hi.
Simply press the desired button while stationary and if the system is functioning properly then it will shift and the light for the engaged type of drive will be lighted. Generally you would like to be in 2wd for this vehicle.
this sytem is shift on the fly!! you can engage and disengage from 2wd to 4wd at speeds up to 45-50mph, 4wd lo you need to be a complete stop some cars need to be in neutral with parking brake on and some need to be in gear there all different, consult your owner manual for correct shifting pattern to 4wd lo range
BY YOU HAVING AUTOMATIC 4 WHEEL DRIVE.YOU HAVE A SHIFT CONTROL MODULE IN TRANSFER CASE.IT CONTROLS YOUR 4 WHEEL DRIVE SYSTEM BY RECEIVING INFORMATION FROM SPEED SENSOR ON TRANSFER CASE OUT PUT SHAFT.TAKE IT TO DEALERSHIP.THEY WILL HAVE TO FIX IT.
It should tell you on the Shifter whether or not that you can Shift on the Fly. Check the Manual first if there is one in the Truck. Some Models had this and some Did not. Was an Extra from Factory Option.