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Re: Driverside power window will not go down.
No sir, one relay for the circuit. if it is a four switch panel plug it up to one of the other switches on that panel. if so replace the switch, then take test lite to the motor if you have voltage repace the motor , although it sounds like it is in the switch.
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Free wiring diagrams here http://www.bbbind.com/free_tsb.html
Enter vehicle info. year , make , model an engine size . Under system click on body & accessories ,then under subsystem click power windows . Click the search button then the blue link .
All other windows work correctly ? If so it's not a fuse or a relay problem . Driver window switch or the window motor or the regulator is bad . ! Look on youtube ,video on trouble shooting power windows . How to basic automotive electrical testing . You can find free wiring diagrams at http://www.bbbind.com/free_tsb.html
That would be a hell of a lot of amperage for a single relay to handle so no its not a relay you need to a wiring diagram for the affected parts the vehicle follow the circuits back on the diagram until you find a common point ie a ground splice or control module for the non operating component's one of those places will be your failure
FIRST MAKE SURE YOU DID NOT LOCK THE WINDOW, BY RELEASING THE BUTTON, THEN REMOVE DOOR PANEL ON PASSENGER SIDE , UNPLUG WINDOW MOTOR, AND TEST FOR POWER AND GROUND AS SOME ONE PUTS THE WINDOW DOWN FROM BOTH SWITCHES, IF POWER AND GROUND IS THERE REPLACE MOTOR, IF NO POWER THERE CHECK SWITCH, POSIBLE BAD SWITCH, BUT IF YOU SUSPECT WIRING , CHECK THE DOOR JUMB ON DRIVERS SIDE, INSIDE THE RUBBER BOOT MAY BE ONE OR MORE BROKEN WIRES , REPAIR THEM. NORMAL
Hello: The power source is a circuit breaker located in the fuse box under the driver side dash. There are 2 circuit breakers (about 1 inch long and 1/4 inch wide. The top one is for the windows, swap the two breakers, If the windows work then you have a bad breaker. If windows don't work the remove the window switch assembly from the door. on the back side of the window switch assembly you will have a heavy pink wire, that is power to the windows. with a test light check to see if you have power. If you don't the it could be a broken wire where the wire comes from the body to the door. If no broken wire then it could be a burnt fusible link that comes off the starter. ALSO BELOW the window circuit breaker is a black connector that supplies power to the windows, the trunk release and the sunroof if equipped. This information straight out of a 1988 CADILLAC service manual. Check that black connector for burnt wires and make sure its plugged in tight. Do any of the windows work from the individual switches in the door.
remove the power window switch and run a jumper wire to the TAN wire ground to the BLACK wire then if the switch is working roll the window up if the problem is the switch then jump power to the light/blue wire and ground to the white wire to roll up the driverside window , switch them to roll window down, power to brown/white and ground to violit and the passangerside window will roll up, switch them to roll it down.
going to have to do the trial and error thing for the power window. connect them, try the window, if its wired backwards reverse connection. sorry can't be more help. if you have access to a wiring diagram, that would be your only other way to go
Remove the door panel, locate power window motor and unplug. With a test light or meter, check for voltage at the plug while pushing window switch. You will see voltage at one wire to ground for up and the other wire to ground for down. If you have voltage at the plug, replace motor. If no voltage, check switch and wiring. Switch is probable cause for no voltage at motor plug.