Gauges Flatline and ODO Dead
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Member
Joined: Jan 2000
Posts: 66
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From: Hammond,LA,USA
Gauges Flatline and ODO Dead
When I start the truck the gauges needles flatline below zero. They don't sweep to full-scale like they do when the battery is low. The Odometer is blank. The truck starts, the gauges flatline, and about 45 seconds later the gauges come to life, all the idiot lights come on temporarly, and the all the LED's of the ODO illuminate and then display the mileage. I have had no other issues except an incurable door lock problem where they keep cycling to unlock and the relay "hums". Does this sound like a GEM Problem? Is thier a tie to the GEM and Door Lock SYstem? Thanks
Technical Article Contributor
Joined: Jun 2002
Posts: 10,511
Likes: 10
From: Under the flightpath of old ORD 22R
Might want to check the odometer for the problem that can come up on them
Sticky at the top of this forum :
https://www.f150online.com/forums/el...er-repair.html
Start with this check, to see if you have cold solder joints.
The GEM tie to the door, is for the door ajar input.
The RAP ( after build date NOV-00, it is a CSM slightly different ) is tied to the door locks, if installed ( i.e key fob, door keypad, etc ).
Sticky at the top of this forum :
https://www.f150online.com/forums/el...er-repair.html
Start with this check, to see if you have cold solder joints.
The GEM tie to the door, is for the door ajar input.
The RAP ( after build date NOV-00, it is a CSM slightly different ) is tied to the door locks, if installed ( i.e key fob, door keypad, etc ).