What does the 4WD fuse do in the dash?
What does the 4WD fuse do in the dash?
The 4WD fuse powers in the dash fusebox the front axle actuator, you may be hearing the encoder motor shift the transfer case but it is not in 4WD till the axle actuator engages the front axle. The blinking lights indicate the axle is not engaged. The 30A TREC fuse in the underhood fusebox is what powers…
Is there a TREC fuse for the 4WD switch?
The GM shop manual obviously errored relating to the 4WD switch to a fuse supposedly labeled as an ATC fuse, when only a TREC fuse (30 amp) exists under the hood within the fuse box for this application. This fuse distributes power to the 4WD switch amongst other related circuits.
Is there an ATC fuse for the 4WD switch?
The GM shop manual obviously errored relating to the 4WD switch to a fuse supposedly labeled as an ATC fuse, when only a TREC fuse (30 amp) exists under the hood within the fuse box for this application. This fuse distributes power to the 4WD switch amongst other related circuits. After checking my TREC fuse, I found it to be burned out.
What does the 30A fuse in the underhood Fusebox do?
The 30A TREC fuse in the underhood fusebox is what powers the transfer case control module and the encoder motor. Re: What does the 4WD fuse do? If I’m stuck in 4WD, can I pull the TREC fuse under the hood and drive with no harm? I read somewhere online that tm doing so will give me 2WD and I can get to the dealer safer
Where is the fuse box located on a suburban?
The center instrument panel utility block is located underneath the instrument panel, to the left of the steering column. The underhood electrical center is located on the driver’s side of the engine compartment near the battery.
Why is my service 4WD indicator not working?
If the wires are broken, the actuator won’t operate and the actuator won’t move. If it does not move to the proper position, the buttons on the dash will blink and the “Service 4WD” indicator will be lit because the TCCM never sees a complete 4WD engagement. The ground wire to my front axle actuator was the culprit on my truck.
When does the service 4WD message come up?
Does the “SERVICE 4WD” message come up as soon as you start the truck, or does it only activate after you try to select a mode other than 2 Hi?
What does the service 4WD light on a GM Truck mean?
The solid lights on the 4WD buttons are telling you where the transfer case encoder motor thinks it is, and blinks on the mode that it is trying to go to after you push the button. If it fails to move to the new position, it goes back to a solid light on the original position and illuminates the “SERVICE 4WD” light.
