Question about 1998 Ford Explorer

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4 WD High and 4WD Low lights blink at the same time (6 times, then off; then 6 times, then off, etc.). The problem seems to begin when I run in reverse, then put it in drive. It appears that the transmission is stuck, it grinds some and then "pops" loose. The vehicle will go forward, but I can't tell if it is in 4 WD drive after that. Often times the 4WD High light won't come when I turn the switch, even if it is driven for a while. Turning the vehicle off and then on again seems to cure the light problem; but, if I back up, the problem starts again. Any ideas/solutions?

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Posted on Jan 02, 2017

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SOURCE: vehicle will not come out of 4 wd low why?

try putting the vehicle in neutral while its running put on the emergency brake and it should sift out

Posted on Dec 06, 2008

  • 51 Answers

SOURCE: 97 ford explorer 6 cyl won't switch back to auto or 4 wd high

is it in low if so then it needs to be in neutral to go back into high or auto

Posted on Feb 16, 2009

  • 37 Answers

SOURCE: I engage the four wheel drive in my 2005 Ford

the four wheel drive uses vacuum hub locks. there is a vacuum solenoid on the passenger firewall in front of the battery box. sounds like you need a updated solenoid and possibly one or both hub locks. what happens is the old style solenoid vent allows water to get in and the hub locks freeze or stop working because of the water. the new style has a cover over the vent to prevent water from getting in.

Posted on Mar 07, 2009

  • 106 Answers

SOURCE: 4wd high 4wd low lights flashing

When the 4WD lights flash on and off, this indicates that there are 4WD-related trouble codes in the 4WD control module. Sometimes 4WD lights never illuminate.
The first step in diagnosing the system is to establish communication and retrieve trouble codes from the control module. After retrieving the codes, write them down, clear the codes and retest to see which codes are regenerated. False codes can be set if a component is disconnected when the key is turned on.
If the 4WD lights flash on and off, and no codes are found in the 4WD control module, try clearing the codes anyway. After a certain amount of key cycles, the codes will normally clear from the 4WD control module, but the module will not respond to commands until it is re-initialized by clearing the codes or disconnecting the battery to erase its memory.
If your scan tool will not communicate with the 4WD module, first verify that the scan tool has the proper software and the latest updates. If it does, then try another scan tool. If it still has no communication, the power and grounds that are supplied to the module will need to be tested. See if the scan tool will communicate with the other modules on the shared communication network. If they're OK, check the harness from the data link connector (DLC) for an open circuit to the 4WD module.

Posted on Jun 05, 2009

  • 179 Answers

SOURCE: My Power Windows don't work!!

it is flashing you the code either six or sixty six any parts person can tell you what this code means it is more than likley a solinoid or relay switch

Posted on Jun 08, 2009

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But I can tell you how it's supposed to operate.

The three modes are 2wd, 4wd high and 4wd low. When switching between 2wd and 4wd high it makes no difference whether the Jeep is moving or in neutral. The only condition that needs to be obseved when switching from 2 to 4 high is the speed of the Jeep. It should not be done above 45mph.
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This is the reason for the relative ease when switching from 2wd to 4wd high.
There is an art to switching from 2wd to 4wd high then to 4wd low. Once your son becomes familiar with the Jeep and begins using the different modes it will become easier.
I would like to add one more piece of advice. After building Jeeps for over 25 years and owning several I have found that 8 out of 10 times that 4wd low is used, it's used incorrectly or not needed at all. It's a good idea to find someone who has experience with 4wd to give a bit of instruction on how it should be used. Especially in the mountains.
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