How do you replace window regulator in 1999 Cadillac Deville

ELR3

MEMBER
1999 CADILLAC DEVILLE
V8
FWD
128,000 MILES

I pulled and tested the motors on both front and back and they are good. The fuses are good so the only other thing I could think of are the window regulators. How do you check or replace them? Thanks

Saturday, September 17th, 2011 AT 3:50 PM

2 Replies

JACOBANDNICKOLAS

MECHANIC
109,747 POSTS

Are you getting power to the motors? You may have a bad switch. The regulator won't stop them from trying to move.

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Tuesday, September 20th, 2011 AT 5:11 AM

CADIEMAN

MECHANIC
3,544 POSTS

All window dont work?A easy way to check the motors is to hold the switch to go down then bang on the door panel under the arm rest it will start working. The motor is bad. Dont start removing parts untill you know whats bad. Your gonna need a test light or multi meter to check your voltages. The window run off a breaker not a fuse. Also remove the l/f window switch plate to check the voltage at the switch. Ty for using 2carpros

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Tuesday, September 20th, 2011 AT 5:12 PM