4x4 not working and switch light does not illuminate. Where should I start looking? - Ranger-Forums - The Ultimate Ford Ranger Resource


Drivetrain Tech General discussion of drivetrain for the Ford Ranger.

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Old 12-12-2015
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4x4 not working and switch light does not illuminate. Where should I start looking?

I just recently bought a 1999 4x4 for my son's first car and the 4wd doesn't work. The light doesn't illuminate when switched. Are there fuses for it and where are they(it has no owner's manual) ? Could it be caused by bad hub solenoids?
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Old 12-12-2015
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There are 3, 4 if you count brake light fuse

Have a look at PDF

Lights on 4WD switch will usually flash if there is a hub or transfer case issue, no lights is usually a blown fuse but could be GEM issue

The 1998-2000 Rangers used Pulse Vacuum hubs(PVH) this was a poorly designed system and had hub issues within a few years from new, this won't cause "no light" issue but will cause no working 4WD or flashing light when hubs won't lock
Many switch to AVM Rugged Ridge Locking hubs when time and money permits, good read here on PVH: http://www.therangerstation.com/tech...pvh_hubs.shtml

Permanently lock PVH here: http://www.therangerstation.com/Maga...04/offroad.htm

In 2001 Ford changed Rangers to permanently locked front axles, they call it Live Axle, so doing the above is just making your '99 hubs into '01 hubs, lol.
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File Type: pdf 99 4WD.pdf (56.6 KB, 41 views)

Last edited by RonD; 12-12-2015 at 11:33 AM.
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