What;s Wrong With My RAM Truck????
Our 2005 Ram 3500 Diesel (5.9) SRW has been a great tow vehicle for our 7-ton 5th wheel trailer. And after 150 thousand miles, three years ago we had to replace a couple of leaky hoses in our air con...
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Change your ignition switch cartridge. My 2004.5 had similar problems with erratic blower operation and that fixed it. Rather than using relays, Dodge routed the fan wiring and current through the ignition switch which overheats and ruins the contacts. The switch is less than $40 on Amazon and it takes less than an hour to install without special tools, very easy. There are some good videos on YouTube showing you how.
