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I have a 2004 Trailblazer LT 2WD, the vehicle is total electric, all of the other electrical feature of the seat work the moving of the seat foward and backward just stop working.
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Question moved from Spanish car company 'Seat', pronounced 'see-at'.
Impossible to answer without full 'year make model' of the vehicle. All questions in here need 'year make model' as the first three words. Then there are 10,000 categories to choose from listed by 'maker year model'.
Spray the motor gear and the spiral actuating rod plus tracks with lubricant.
flip up the back seat on the driver's side. take black cover off the fuse box panel and look at the fuse location on the fuse map. It's all there. The seats just flip up. Good luck let me know how you make out
Sounds like you have an electrical short somewhere. These vehicles have many electronics and are difficult for the BYM (back yard mechanic) to diagnos. Check for anything obvious (wires touching seat rail slides under the seats and such) then take it to a good mechanic.
Look for good ground connections. Your description sounds like low battery state of charge, then voltage goes too low on start up...Check charging system and load test the battery. Check ALL connections.
Hi I'm not to clued up on 2004 silverado 1500 LT crew cab, obviously you'll check the fuse box & even replace the fuse wouldn't hurt giving it a try. Also try checking the electric motor for the seat. No cables lose or broken? Nothing jamming the seat? Is there any sound at all coming from the area where all the electrics are under the seat? Can you hear a motor straining?Just a few thoughts. Good luck
Before you start beating up thing's , test the electrical circuits. Do you know anything about automotive electrical systems ? How to use a volt meter an a wiring diagram to test for B+ power to the switch an testing the ground .
Does your envoy have memory seats ? Your vehicle has four or more electric motors to control back an foward , up an down etc.. the odds of more then one motor being bad at one time are highly unlikely .
Look under the seat any trash under there keeping it from moving ?
If you have memory seats there is a control module involved in making the seats work . If it has memory seats it could have DTC'S - diagnostic trouble codes .
DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, or B1820
The seat adjuster switches are inputs to the driver and passenger seat modules. The seat modules supply the adjuster switch assemblies with a battery positive switch supply circuit and monitor the switch signal circuits. In an inactive state the switch signal circuits are floating and when a switch is pressed the signal circuit is closed to the switch power circuit within the adjuster switch assembly. When battery voltage is present on the switch signal circuit the seat module determines the switch status to be active. DIY Blazer GMC Jimmy Power Seat Control Diagnostics and Repair Electric...
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