Also someone mentioned resetting the computer, leaving it disconnected from the battery? At the firewall there is a 4 hose connector, heater control valve, that controls the amount of coolant to the rear unit. While driving approximately 55-60 mph on normal road conditions, the four wheel drive activated without assistance. The blower motor resistor is right in the top of the blower box, under the dash. The fix is easy, you'll need to take the cover off big black plastic box under the dash. These multi-purpose relays will fit right in for a dependable and accurate operation. They worked earlier in the day, and I am at a complete loss here.
We are interested to see what it is. They did not take any further action. The four wheel drive mechanism failed to respond when the contact attempted to deactivate the system. Repair of wire and relocation of harness away from seat mechanical parts cured the problem. Driver's power seat and both front seat heaters failed simultaneously.
On the top, right below the dash, you'll see some wiring connectors and the blower motor relay. Check out the diagrams Below. Ive checked the fuses and they all seem fine. Sometimes it will plug up, some times the heater hoses will plug up, some times the control valve will not get the command to open with a vacuum hose. The failure mileage was 150,000. Well guys, tonight when I took the ole lady out for her birthday, I noticed my power seat wasnt working, hers did, and then neither of our heated seats were working. The contact owns a 2004 Chevrolet Tahoe.
. I will attach it below. Also someone else with a loaded 03 Please post a pic of your fuse boxes, I have lots of open holes and it doesnt look right. When the buttons are pressed on the door, the lights come on momentarily then there's a click from a black box under the seat and it shuts off. Try to move the seat again. Oct 10, 2017 Check Fuse 8 in the rear underseat fuse box, this fuse is also used for the power seats.
Unplug and remove the 2 small screws. The drivers seat also lifted up and was split in to. Does anyone know how the safety cutoff works? She was thrown from the vehicle and also another person was in the car as well. Again, thanks for the help and thanks in advance for any additional information you may be able to provide. I'm guessing it's a fuse but the owners manual isn't clear on which fuse supplies power to these applications and I don't understand why the power adjustments work on the passenger side only. All the way to the far left on top of the air box there is a plug. What is the box called? Unfortunately you require a scanner to test alot of the switch and module communications.
If the data parameters do not change, the memory seat control module may be inoperative due to a logic lockup. With some manipulation the resistor pack will lift out. Does have something to do with the 'black box' under the driver's seat. If the memory seat is still inoperative, use normal Service Manual diagnostics to determine the cause of this condition. Most likely the driver door module will need reprogrammed, however, you need to have the driver door module scanned by Chevrolet dealer to see if it has to be completely replaced or if it just needs reprogrammed.
You can get the resistor at Autozone, but more than likely, your harness is fried. I dont get why my seat has no power, hers does, and neither have heat working. The truck flipped several times. There is a bulletin for symptoms similar to the ones you are describing. Cause A logic lockup of the memory seat control module may cause this condition. I also noticed that the passenger seat works, til you press the driver side and everything shuts off.
AutoTrust Platinum provides a growing selection of low-priced switches, relays, and wiring components! We asked the investigators and our insurance company to check into why the airbags did not deploy and they said it was normal, but we knew otherwise. This fuse controls a few things i will list them and send a copy for you. Ive read where this has been a problem in other Tahoe's. From their first wiring harness in 1990 to the extensive line of electrical and performance products they offer today, Painless has been at the forefront of making wiring custom and restoration projects easy. The vehicle was taken to an authorized dealer for inspection, but they were unable to determine the cause of the failure. Before completely failing it did seem to get very hot when used even on low and then just quit working.