2001 Ford F-250 4x4

2001 FORD F-250
160,000 MILES • 6.8L • V10 • 4WD • AUTOMATIC
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SCHRUBEN
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I have a 2001 Ford F250 6.8l v10, on my way home today I turn 4h on and everything worked like it should, turned it off when I didn't need it anymore, when I got home I left the truck running because I had to leave again, I put my truck back in 4h and nothing happen,the light won't turn on and you can't hear the vacuum. I checked my vacuum lines they are fine.
Jan 4, 2015 at 3:26 PM
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HMAC300
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check fuses and relay s first then have it scanned there may be acode that will pop up. a pro may have to scan it as it may be the gem module is screwed up.
Jan 4, 2015 at 4:41 PM