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Check fuses

Check for loose connection in fuse block

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Q: How do you locate the problem when the air conditioner heater fan motor and rear window defroster fail together on a 1994 Oldsmobile 88 Royale?
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Why does the air conditioner on a 2002 Crown Victoria blow out of the defroster and on the floor but not the dash vents?

I have exactly the same problem on my 2000 Still looking for the answer


What would cause the heater defroster and blower to not work on a 1994 Oldsmobile Delta 88?

if there is a lot of snow or ice on these vents located at the bottom of the wind shield under the wipers that could be the problem if you live in a cold environment.


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Check the coolant temp sensor, or just replace it if you have the money to burn.


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Check that the wire on the rear defroster is connected to the defroster. If broken off repair it.


How do you repair a non-functioning rear defroster on a 2003 Oldsmobile Alero?

The defroster is a thin filament that is run across the rear window sometimes inside that heats up to remove frost. first off does the switch light up when pressed? is there power to the connector at the back window? if so then check the filament itself for breaks this may be the problem, if not then it may be a blown fuse, or bad connection.


What indicates a problem while inspecting a suction line of an air conditioner?

"What" on the suction line of an air conditioner indicates a problem?


Why doesn't my dodge w250 defroster work?

One reasons a Dodge W 250 defroster may not work is the blower motor relay. This can be replaced easily. If it isn't the relay, there may be a problem in defroster door binding. A mechanic will be able to determine the cause.


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What may solve the problem of intemittent errors caused by noise in the power line to the PC?

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What is wrong when the air conditioner on a 1989 Oldsmobile 98 regency blows out the top and not through the vents?

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