Hvac problem...
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Joined: Jul 2007
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Hvac problem...
I have a 04 fx4 screw with 5.4 The problem started out intermittently but now the problem is always there. i have no heat or ac at all. no blower no nothing. the truck has the manual control. i checked the fuses. the problem first happened after i washed the engine one day then didnt drive the truck till the next morning. it was cold enough to freeze. i also went over the the connectors that are easy to see in the engine bay and checked for corrosion. i pulled out the hvac control out and checked for corosion at those connectors also. i even looked at the board and checked to see if the 0 ohm resistors were still god and they are. i dont know where else to go without a schmatic. and i really dont have the cash to take it to the dealer. any ideas?
