Question about 1990 Ford F250

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I dont think im getting power to my ac pump is there a way to test this

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Check for power at your low pressure switch thats on your accumulator. Ther should be power on both sides of the switch. Make sure you have freon in the system or it will not engage.

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Im guessing no fan function? If so check the fuse to the heat/ac fan. Test power at heater motor, If power and ground are present with key on and switch on? the motor needs replaced, As for the radio noise, Go to any audio storer or most parts stores and get a radio noise suppressor

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I have the corrct diagram for the belt

No I won't nevermind! You need help, I'll FixYa!
Click on the following Link. It has several Belt Diagrams, one which will match your specific engine and options (AC/No AC, Power Steering etc).

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