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Automotive Repair Car Troubleshooting Topics   Car Troubleshooting   Engine Troubleshooting   Engine Fault Codes   Electrical and Wiring   Transmission Problems Car Repair Topics   Car Making Noises   Car Stereo Repair   Heating or AC Issues   Motorcycles and ATVs   Tricks of the Trade   Truck Repair Advice Site Options:      Login   Sign up here! Latest Forum Post   2006 Toyoto Camry XLE Driver Side Electric Window Trouble Hello, Looking for a little brain help ...   Tierod end change caused some kind of leak Hello so I just took my car to the nearb...   2011 Dodge Nitro OBD scanner seems to drain battery in 10-20 minutes When I bought this car in summer 2023, a... Grounding Cable, 2017 Jeep Renegade Trailhawk The Cable that connects my negative batt... Rough Idle (Found new thing) Hi everyone. First of all sorry for bad ...     equipment hey yall. im a first year engineering st...   HELP I have a 1956 1/2 ton panel truck, 69 35...   Howdy     Just wanted to s...   ABS/Tractiob/Brake Lights on But No DTCs Hello all, Recently while driving m...   Chevy strut replacement I'm trying to get a sensor of some kind ...

Search Auto Parts Search 99 Lumina Driver's power window R & R Sign up here!   Email This Post Auto Repair Home>> Automotive Repair>> Car Troubleshooting comnavguy User Sep 28, 2012, 10:40 AM Post #1 of 3 (2137 views) 99 Lumina Driver's power window R & R Sign In 1999 Chevrolet Lumina with 134,554 miles power window failed with window about half way. Troubleshooting has us down to the motor. Direct voltage to motor and nothing happens, and the window is not binding. The Haynes manual gives poor pictures but lots of warning about spring(s) being under pressure and it's unclear what to do to lock the regulator to avoid injury. I've done a few power window motors and glass removals but this one is most confusing. I need some help. Discretesignals Ultimate Carjunky / Moderator Sep 28, 2012, 5:27 PM Post #2 of 3 (2098 views) Re: 99 Lumina Driver's power window R & R Sign In That one has the scissor type regulator. You can't move the regulator to get the window up unless the motor is operational. You stated you had power to the motor connector. Did you have ground on opposite wire that had power with your switch depressed? Have you tried tapping on the motor housing while holding the switch to see if the motor wakes up? If you do end up taking the regulator out to R and R the motor, you have to be careful and not let the arm fly back and hurt you when you remove the motor. The giant clockspring in the middle has a lot of potential energy. I like to put them in a vise in a way so when the motor is removed the arm doesn't move. Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved. Tom Greenleaf Ultimate Carjunky / Moderator Sep 28, 2012, 7:24 PM Post #3 of 3 (2089 views) Re: 99 Lumina Driver's power window R & R Sign In comnavguy - As DS is saying the "other" wire has to be ground. Primal test is a plain test light back powered to light when you have ground. If you are right at the last plug to motor test it there. 12v power alternates from one wire to the other and at the same time ground is applied to the opposite for which direction the motor will turn. That for just the motor w nothing else involved. If that tests and motor works wires in door jam hidden where they bend can be the issue. If you were the one who had this 1/2 way down when it totally quit and knew it worked fine right before that I say plain broken wire/connection likely that can break inside insulation unseen too, T   Email This Post   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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