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need help with ac for 92 buick roadmaster limited Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> AC Auto Repair Help Forum lksd4life New User Mar 5, 2011, 12:37 AM Post #1 of 3 (2927 views) need help with ac for 92 buick roadmaster limited Sign In i have a 92 buick roadmaster limited 5.7with a bout 250000 on it. it has climate control. cant find the gremlin that is makin my ac/heater not work properly. when i turn it on the compressor turns on but nothing comes in. i have changed blower motor, blower motor resiester, the relay. ac an heater worked bitchen when i bought car, then just stopped. any insight would be appreciated thank you Hammer Time Ultimate Carjunky / Moderator Mar 5, 2011, 5:50 AM Post #2 of 3 (2925 views) Re: need help with ac for 92 buick roadmaster limited Sign In I'm not sure what resister you could have changed since the ATC system doesn't have one. It has a bolower speed power module that controls blower speeds. First check fuse # 7 (30amp) fuse #6 (20amp) and fuse #3 (10amp) Test the purple wire at the blower and see if it's getting power. If not the first suspect would be the blower power module but the Main Control head could also be bad ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional. lksd4life New User Mar 5, 2011, 4:24 PM Post #3 of 3 (2917 views) Re: need help with ac for 92 buick roadmaster limited Sign In thank you very much!!   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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