2008 6.4 Won't Start With Airbag Light On - Ford Powerstroke Diesel Forum
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post #1 of 5 Old 07-12-2014, 07:19 PM Thread Starter
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2008 6.4 Won't Start With Airbag Light On

I need some help. I have my 2008 F250 hooked out to our horse trailer sitting in our driveway and won't start.

To make this short ill list what I was doing and what the trucks doing now.

While the truck was off, I had the trucks parking lights on and was testing the 7 blade trailer connections on the backend using a multimeter. I thought I had the ground on the correct pin but looking back I'm afraid I may have short something out.

After I was done testing the universal trailer plug in the back, in went back up front to turn the parking lights off and turn the hazards on to check check the turn signals pins. Well, after hitting the hazards button like 8 times and noticing they weren't coming on. I also noticed the parking lights were still on despite having the light switch in the off position.

I tried to start the truck and nothing. Fuel pump doesn't kick on, no cluster lights, just the airbag light AND for some reason the rear backup sensor buttons "off" light is on too... Checked the cluster fuse inside the cabin and its fine.

Last think I want is to have to drop the trailer where it is, call a two truck and have it hauled 10 miles to the closest dealer. I'm afraid I may gave my wallet over to the Ford dealer.

Any specific ideas why a trailer hookup getting shorted our wouldn't trip a fuse but disable the ENTIRE truck?? Btw I disconnected the batteries just in case.

PLEASE HELP!!


Thanks,
CPepp

- Colton


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post #2 of 5 Old 07-16-2014, 11:03 AM Thread Starter
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Anyone at all?
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post #3 of 5 Old 07-18-2014, 06:41 AM Thread Starter
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Thumbs down

Well I'm glad I wasn't on the side of the road and had this issue. I'd still be there. Anywho... I checked the ever single fuse and they were fine. Moving to the relays next. Not sure where to start but I'm going to check them all. Thanks everyone...
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post #4 of 5 Old 07-18-2014, 07:07 AM
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your parking lights are on even with the switch off ?
it may be a trailer plug issue now and back feeding from the hot lead to the parking light pin ?

you only think you may have shorted something ? it should have sparked or blown a fuse

are you sure (positive no doubt) you didn't run the batteries down ?

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post #5 of 5 Old 12-20-2015, 03:20 PM
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Did you figure this out? I am having the same issue. No crank and the cluster is dark except for airbag light
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