Do you know of any common problems with the 4 wheel drive on these trucks? My Serivce 4 wheel drive light is on and the lights on my switch to engage the 4 wheel drive is not lite up any more, and also will not engage.
I've checked the fuses and pulled the switch apart but it is all OK. Is the switch bad you think or another problem?
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It may be the front axel actuator moter(on front axel right side) is not disengaging the axel. There is a 4wd
fuse 15amp in the fuse block under the dash, make sure it's not blown. If the fuse is ok, check the connections at the actuator and the transfer case switch. These are the more common causes for the
problem you have. Give these tests a try and let me
know if you want to go to the next level.
Hope this helps. Good luck.
it sounds to me like the motor that switches the transfer case into 4 wheel drive DO NOT try to put it in 4 wheel. There should be no problem driving it as it is but if you continue to try it may get stuck in between and cause major problems
If the transfer case is engaging, try it in 4X4 low foot on the brake and other on the gas (power braking) and you can get the rear tires to break loose your 4 wheel drive actuator switch is bad, a common problem on these 4X4's. It is a simple repair and is located on the front differential.
if i am not mistaking these have the vacuum module on the front differential check it it is probably bad common problem on these trucks from 96 and up if it is the electronic type it could be one of three things the switch on the dash, motor on transfer case, or the electronic module for the 4 wheel drive.
This means there is a fault in the four wheel drive system, the light reset's each time the key is turned off, then it tests itself after the engine is started, if the fault occurs again the light will come back on.