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Alarm Problem / No Dash Lights / No Start

Old 02-11-2019, 11:31 PM
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Default Alarm Problem / No Dash Lights / No Start

I parked my truck on an incline facing nose down a couple of days ago with easily more than 50 miles until empty. I went to start it the next morning only to see the fuel gauge say it was at zero miles until empty and no dash lights working. I had full battery power which I confirmed with a multimeter. I tried a second set of keys to see if a different remote and key combination might solve the issue and this made no difference. Then, I disconnected the negative battery terminal and reconnected it at which point the dash lights were working again and the truck started right up. I searched online and thought it may have been a problem tied to the fuel pump and the truck's computer not registering I had enough fuel in the tank because I had been parked on an incline. A few days later, my wife was driving home and both the speedometer and tachometer stuck and the dash lights went out again. After turning off the truck, it wouldn't start again. Only an airbag light was showing on the dash and I still had full battery power. After speaking to a parts store employee, he suggested I try using the remote to manually activate the alarm and then turn the alarm off to see if that would resolve the issue which it did, the dash lights were working again and the truck started right up. I still don't know what the problem is but so far at least have a work around to reset the alarm system. The Ford dealer said it might be some kind of communication problem with the alarm system. I'd like to resolve the problem myself if possible rather than have to take it to the dealer. Any thoughts or ideas would be appreciated.
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