No 4x4!!!
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7th Gear
Joined: Feb 2013
Posts: 7
Likes: 1
No 4x4!!!
2002 F-250 lariat 4x4 7.3 powerstroke. 4x4 went from working great to not working at all overnight. When shifted into four high, it does not do anything; no power to the dash and no clicking for the relays. I swapped out the 4 x 4 switch and swapped with another used gem module. Neither has worked. I have noticed that I am not getting any power to the two wire plug to the actuator when first initiating 4 x 4. I also realized that the relay block under the hood that is responsible for going into 4 x 4 or 2 x 4 has no power as well. If anyone can give me any leads on what to look for next and as to why the relay block has no power. I’d much appreciate it.
Hotshot
Joined: Jan 2004
Posts: 19,760
Likes: 1,079
From: St Louis
If there is no power to the 4x4 relay block, one of the fuses isn't supplying power to it.
SPECIFICALLY check fuse F59 under the dash and verify that both sides of the fuse are ALWAYS HOT.
SPECIFICALLY check fuse F59 under the dash and verify that both sides of the fuse are ALWAYS HOT.
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Logistics Pro
Joined: May 2017
Posts: 3,523
Likes: 483
From: Southern OH
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Fleet Mechanic
Joined: Mar 2023
Posts: 1,576
Likes: 926
Here you go, a permanent solution to the issue, even made in the USA.
https://wildhorsemfg.com/index.php/n...onversion-kit/
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https://wildhorsemfg.com/index.php/n...onversion-kit/
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Hotshot
Joined: Jan 2004
Posts: 19,760
Likes: 1,079
From: St Louis
Instead, check fuse F111.
Fleet Mechanic
Joined: Mar 2023
Posts: 1,576
Likes: 926
https://wildhorsemfg.com/index.php/n...onversion-kit/
...
Logistics Pro
Joined: May 2017
Posts: 3,523
Likes: 483
From: Southern OH
You don't have to swap the actual transfer cases anymore. There is a direct bolt in kit to manually shift the 273 now (see link below), and the 273 is just as strong as the 271, the two cases are almost identical really, the 273 doesn't have a true neutral detent like the 271 does though. No need to even remove the driveshafts to convert to reliable manual shifting.
https://wildhorsemfg.com/index.php/n...onversion-kit/
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https://wildhorsemfg.com/index.php/n...onversion-kit/
...
Fleet Mechanic
Joined: Mar 2023
Posts: 1,576
Likes: 926
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