2004 F150 Lariat climate control not working and flashing lights

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02-10-2018, 07:25 PM

Marshall Jackson

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2004 F150 Lariat climate control not working and flashing lights

Hello everyone,
I’ve been having some strange electrical issues with my 04 f150 lariat. The problems are, whenever I get in the truck, open a door, start the truck, or hit a bump, the parking lights start flashing for about a minute then stop. I can hear a relay clicking when this happens. It started when my keyless entry stopped working. Shortly after my climate control panel will not do anything, I have checked the fuses and checked the relays but I’m no expert on auto electronics. Just looking for some guidance so maybe I won’t have to take it to ford and spend a ton of money.

Thanks!!
Marshall

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02-11-2018, 08:35 AM

steve(ill)

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If the truck cranks and starts, then I doubt the problem is battery / main cable / main ground strap.. It sounds like a big JOLT will move a harness with smaller wires and you have random problems....... I think I would start by pulling a couple big electrical harnesses apart on the fire wall, spraying the contacts with cleaner and reseat.... could be something under the dash also.... Hopefully someone else can narrow down the problem.

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